<h5>Headers:</h5>
<pre>Request Header v0 => request_api_key request_api_version correlation_id 
  request_api_key => INT16
  request_api_version => INT16
  correlation_id => INT32
</pre>
<table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>request_api_key</td><td>The API key of this request.</td></tr>
<tr>
<td>request_api_version</td><td>The API version of this request.</td></tr>
<tr>
<td>correlation_id</td><td>The correlation ID of this request.</td></tr>
</table>
<pre>Request Header v1 => request_api_key request_api_version correlation_id client_id 
  request_api_key => INT16
  request_api_version => INT16
  correlation_id => INT32
  client_id => NULLABLE_STRING
</pre>
<table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>request_api_key</td><td>The API key of this request.</td></tr>
<tr>
<td>request_api_version</td><td>The API version of this request.</td></tr>
<tr>
<td>correlation_id</td><td>The correlation ID of this request.</td></tr>
<tr>
<td>client_id</td><td>The client ID string.</td></tr>
</table>
<pre>Request Header v2 => request_api_key request_api_version correlation_id client_id TAG_BUFFER 
  request_api_key => INT16
  request_api_version => INT16
  correlation_id => INT32
  client_id => NULLABLE_STRING
</pre>
<table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>request_api_key</td><td>The API key of this request.</td></tr>
<tr>
<td>request_api_version</td><td>The API version of this request.</td></tr>
<tr>
<td>correlation_id</td><td>The correlation ID of this request.</td></tr>
<tr>
<td>client_id</td><td>The client ID string.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
<pre>Response Header v0 => correlation_id 
  correlation_id => INT32
</pre>
<table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>correlation_id</td><td>The correlation ID of this response.</td></tr>
</table>
<pre>Response Header v1 => correlation_id TAG_BUFFER 
  correlation_id => INT32
</pre>
<table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>correlation_id</td><td>The correlation ID of this response.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
<h5><a name="The_Messages_Produce">Produce API (Key: 0):</a></h5>

<b>Requests:</b><br>
<p><pre>Produce Request (Version: 0) => acks timeout_ms [topic_data] 
  acks => INT16
  timeout_ms => INT32
  topic_data => name [partition_data] 
    name => STRING
    partition_data => index records 
      index => INT32
      records => RECORDS
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>acks</td><td>The number of acknowledgments the producer requires the leader to have received before considering a request complete. Allowed values: 0 for no acknowledgments, 1 for only the leader and -1 for the full ISR.</td></tr>
<tr>
<td>timeout_ms</td><td>The timeout to await a response in miliseconds.</td></tr>
<tr>
<td>topic_data</td><td>Each topic to produce to.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>partition_data</td><td>Each partition to produce to.</td></tr>
<tr>
<td>index</td><td>The partition index.</td></tr>
<tr>
<td>records</td><td>The record data to be produced.</td></tr>
</table>
</p>
<p><pre>Produce Request (Version: 1) => acks timeout_ms [topic_data] 
  acks => INT16
  timeout_ms => INT32
  topic_data => name [partition_data] 
    name => STRING
    partition_data => index records 
      index => INT32
      records => RECORDS
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>acks</td><td>The number of acknowledgments the producer requires the leader to have received before considering a request complete. Allowed values: 0 for no acknowledgments, 1 for only the leader and -1 for the full ISR.</td></tr>
<tr>
<td>timeout_ms</td><td>The timeout to await a response in miliseconds.</td></tr>
<tr>
<td>topic_data</td><td>Each topic to produce to.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>partition_data</td><td>Each partition to produce to.</td></tr>
<tr>
<td>index</td><td>The partition index.</td></tr>
<tr>
<td>records</td><td>The record data to be produced.</td></tr>
</table>
</p>
<p><pre>Produce Request (Version: 2) => acks timeout_ms [topic_data] 
  acks => INT16
  timeout_ms => INT32
  topic_data => name [partition_data] 
    name => STRING
    partition_data => index records 
      index => INT32
      records => RECORDS
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>acks</td><td>The number of acknowledgments the producer requires the leader to have received before considering a request complete. Allowed values: 0 for no acknowledgments, 1 for only the leader and -1 for the full ISR.</td></tr>
<tr>
<td>timeout_ms</td><td>The timeout to await a response in miliseconds.</td></tr>
<tr>
<td>topic_data</td><td>Each topic to produce to.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>partition_data</td><td>Each partition to produce to.</td></tr>
<tr>
<td>index</td><td>The partition index.</td></tr>
<tr>
<td>records</td><td>The record data to be produced.</td></tr>
</table>
</p>
<p><pre>Produce Request (Version: 3) => transactional_id acks timeout_ms [topic_data] 
  transactional_id => NULLABLE_STRING
  acks => INT16
  timeout_ms => INT32
  topic_data => name [partition_data] 
    name => STRING
    partition_data => index records 
      index => INT32
      records => RECORDS
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>transactional_id</td><td>The transactional ID, or null if the producer is not transactional.</td></tr>
<tr>
<td>acks</td><td>The number of acknowledgments the producer requires the leader to have received before considering a request complete. Allowed values: 0 for no acknowledgments, 1 for only the leader and -1 for the full ISR.</td></tr>
<tr>
<td>timeout_ms</td><td>The timeout to await a response in miliseconds.</td></tr>
<tr>
<td>topic_data</td><td>Each topic to produce to.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>partition_data</td><td>Each partition to produce to.</td></tr>
<tr>
<td>index</td><td>The partition index.</td></tr>
<tr>
<td>records</td><td>The record data to be produced.</td></tr>
</table>
</p>
<p><pre>Produce Request (Version: 4) => transactional_id acks timeout_ms [topic_data] 
  transactional_id => NULLABLE_STRING
  acks => INT16
  timeout_ms => INT32
  topic_data => name [partition_data] 
    name => STRING
    partition_data => index records 
      index => INT32
      records => RECORDS
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>transactional_id</td><td>The transactional ID, or null if the producer is not transactional.</td></tr>
<tr>
<td>acks</td><td>The number of acknowledgments the producer requires the leader to have received before considering a request complete. Allowed values: 0 for no acknowledgments, 1 for only the leader and -1 for the full ISR.</td></tr>
<tr>
<td>timeout_ms</td><td>The timeout to await a response in miliseconds.</td></tr>
<tr>
<td>topic_data</td><td>Each topic to produce to.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>partition_data</td><td>Each partition to produce to.</td></tr>
<tr>
<td>index</td><td>The partition index.</td></tr>
<tr>
<td>records</td><td>The record data to be produced.</td></tr>
</table>
</p>
<p><pre>Produce Request (Version: 5) => transactional_id acks timeout_ms [topic_data] 
  transactional_id => NULLABLE_STRING
  acks => INT16
  timeout_ms => INT32
  topic_data => name [partition_data] 
    name => STRING
    partition_data => index records 
      index => INT32
      records => RECORDS
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>transactional_id</td><td>The transactional ID, or null if the producer is not transactional.</td></tr>
<tr>
<td>acks</td><td>The number of acknowledgments the producer requires the leader to have received before considering a request complete. Allowed values: 0 for no acknowledgments, 1 for only the leader and -1 for the full ISR.</td></tr>
<tr>
<td>timeout_ms</td><td>The timeout to await a response in miliseconds.</td></tr>
<tr>
<td>topic_data</td><td>Each topic to produce to.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>partition_data</td><td>Each partition to produce to.</td></tr>
<tr>
<td>index</td><td>The partition index.</td></tr>
<tr>
<td>records</td><td>The record data to be produced.</td></tr>
</table>
</p>
<p><pre>Produce Request (Version: 6) => transactional_id acks timeout_ms [topic_data] 
  transactional_id => NULLABLE_STRING
  acks => INT16
  timeout_ms => INT32
  topic_data => name [partition_data] 
    name => STRING
    partition_data => index records 
      index => INT32
      records => RECORDS
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>transactional_id</td><td>The transactional ID, or null if the producer is not transactional.</td></tr>
<tr>
<td>acks</td><td>The number of acknowledgments the producer requires the leader to have received before considering a request complete. Allowed values: 0 for no acknowledgments, 1 for only the leader and -1 for the full ISR.</td></tr>
<tr>
<td>timeout_ms</td><td>The timeout to await a response in miliseconds.</td></tr>
<tr>
<td>topic_data</td><td>Each topic to produce to.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>partition_data</td><td>Each partition to produce to.</td></tr>
<tr>
<td>index</td><td>The partition index.</td></tr>
<tr>
<td>records</td><td>The record data to be produced.</td></tr>
</table>
</p>
<p><pre>Produce Request (Version: 7) => transactional_id acks timeout_ms [topic_data] 
  transactional_id => NULLABLE_STRING
  acks => INT16
  timeout_ms => INT32
  topic_data => name [partition_data] 
    name => STRING
    partition_data => index records 
      index => INT32
      records => RECORDS
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>transactional_id</td><td>The transactional ID, or null if the producer is not transactional.</td></tr>
<tr>
<td>acks</td><td>The number of acknowledgments the producer requires the leader to have received before considering a request complete. Allowed values: 0 for no acknowledgments, 1 for only the leader and -1 for the full ISR.</td></tr>
<tr>
<td>timeout_ms</td><td>The timeout to await a response in miliseconds.</td></tr>
<tr>
<td>topic_data</td><td>Each topic to produce to.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>partition_data</td><td>Each partition to produce to.</td></tr>
<tr>
<td>index</td><td>The partition index.</td></tr>
<tr>
<td>records</td><td>The record data to be produced.</td></tr>
</table>
</p>
<p><pre>Produce Request (Version: 8) => transactional_id acks timeout_ms [topic_data] 
  transactional_id => NULLABLE_STRING
  acks => INT16
  timeout_ms => INT32
  topic_data => name [partition_data] 
    name => STRING
    partition_data => index records 
      index => INT32
      records => RECORDS
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>transactional_id</td><td>The transactional ID, or null if the producer is not transactional.</td></tr>
<tr>
<td>acks</td><td>The number of acknowledgments the producer requires the leader to have received before considering a request complete. Allowed values: 0 for no acknowledgments, 1 for only the leader and -1 for the full ISR.</td></tr>
<tr>
<td>timeout_ms</td><td>The timeout to await a response in miliseconds.</td></tr>
<tr>
<td>topic_data</td><td>Each topic to produce to.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>partition_data</td><td>Each partition to produce to.</td></tr>
<tr>
<td>index</td><td>The partition index.</td></tr>
<tr>
<td>records</td><td>The record data to be produced.</td></tr>
</table>
</p>
<p><pre>Produce Request (Version: 9) => transactional_id acks timeout_ms [topic_data] TAG_BUFFER 
  transactional_id => COMPACT_NULLABLE_STRING
  acks => INT16
  timeout_ms => INT32
  topic_data => name [partition_data] TAG_BUFFER 
    name => COMPACT_STRING
    partition_data => index records TAG_BUFFER 
      index => INT32
      records => COMPACT_RECORDS
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>transactional_id</td><td>The transactional ID, or null if the producer is not transactional.</td></tr>
<tr>
<td>acks</td><td>The number of acknowledgments the producer requires the leader to have received before considering a request complete. Allowed values: 0 for no acknowledgments, 1 for only the leader and -1 for the full ISR.</td></tr>
<tr>
<td>timeout_ms</td><td>The timeout to await a response in miliseconds.</td></tr>
<tr>
<td>topic_data</td><td>Each topic to produce to.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>partition_data</td><td>Each partition to produce to.</td></tr>
<tr>
<td>index</td><td>The partition index.</td></tr>
<tr>
<td>records</td><td>The record data to be produced.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<b>Responses:</b><br>
<p><pre>Produce Response (Version: 0) => [responses] 
  responses => name [partition_responses] 
    name => STRING
    partition_responses => index error_code base_offset 
      index => INT32
      error_code => INT16
      base_offset => INT64
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>responses</td><td>Each produce response</td></tr>
<tr>
<td>name</td><td>The topic name</td></tr>
<tr>
<td>partition_responses</td><td>Each partition that we produced to within the topic.</td></tr>
<tr>
<td>index</td><td>The partition index.</td></tr>
<tr>
<td>error_code</td><td>The error code, or 0 if there was no error.</td></tr>
<tr>
<td>base_offset</td><td>The base offset.</td></tr>
</table>
</p>
<p><pre>Produce Response (Version: 1) => [responses] throttle_time_ms 
  responses => name [partition_responses] 
    name => STRING
    partition_responses => index error_code base_offset 
      index => INT32
      error_code => INT16
      base_offset => INT64
  throttle_time_ms => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>responses</td><td>Each produce response</td></tr>
<tr>
<td>name</td><td>The topic name</td></tr>
<tr>
<td>partition_responses</td><td>Each partition that we produced to within the topic.</td></tr>
<tr>
<td>index</td><td>The partition index.</td></tr>
<tr>
<td>error_code</td><td>The error code, or 0 if there was no error.</td></tr>
<tr>
<td>base_offset</td><td>The base offset.</td></tr>
<tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
</table>
</p>
<p><pre>Produce Response (Version: 2) => [responses] throttle_time_ms 
  responses => name [partition_responses] 
    name => STRING
    partition_responses => index error_code base_offset log_append_time_ms 
      index => INT32
      error_code => INT16
      base_offset => INT64
      log_append_time_ms => INT64
  throttle_time_ms => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>responses</td><td>Each produce response</td></tr>
<tr>
<td>name</td><td>The topic name</td></tr>
<tr>
<td>partition_responses</td><td>Each partition that we produced to within the topic.</td></tr>
<tr>
<td>index</td><td>The partition index.</td></tr>
<tr>
<td>error_code</td><td>The error code, or 0 if there was no error.</td></tr>
<tr>
<td>base_offset</td><td>The base offset.</td></tr>
<tr>
<td>log_append_time_ms</td><td>The timestamp returned by broker after appending the messages. If CreateTime is used for the topic, the timestamp will be -1.  If LogAppendTime is used for the topic, the timestamp will be the broker local time when the messages are appended.</td></tr>
<tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
</table>
</p>
<p><pre>Produce Response (Version: 3) => [responses] throttle_time_ms 
  responses => name [partition_responses] 
    name => STRING
    partition_responses => index error_code base_offset log_append_time_ms 
      index => INT32
      error_code => INT16
      base_offset => INT64
      log_append_time_ms => INT64
  throttle_time_ms => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>responses</td><td>Each produce response</td></tr>
<tr>
<td>name</td><td>The topic name</td></tr>
<tr>
<td>partition_responses</td><td>Each partition that we produced to within the topic.</td></tr>
<tr>
<td>index</td><td>The partition index.</td></tr>
<tr>
<td>error_code</td><td>The error code, or 0 if there was no error.</td></tr>
<tr>
<td>base_offset</td><td>The base offset.</td></tr>
<tr>
<td>log_append_time_ms</td><td>The timestamp returned by broker after appending the messages. If CreateTime is used for the topic, the timestamp will be -1.  If LogAppendTime is used for the topic, the timestamp will be the broker local time when the messages are appended.</td></tr>
<tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
</table>
</p>
<p><pre>Produce Response (Version: 4) => [responses] throttle_time_ms 
  responses => name [partition_responses] 
    name => STRING
    partition_responses => index error_code base_offset log_append_time_ms 
      index => INT32
      error_code => INT16
      base_offset => INT64
      log_append_time_ms => INT64
  throttle_time_ms => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>responses</td><td>Each produce response</td></tr>
<tr>
<td>name</td><td>The topic name</td></tr>
<tr>
<td>partition_responses</td><td>Each partition that we produced to within the topic.</td></tr>
<tr>
<td>index</td><td>The partition index.</td></tr>
<tr>
<td>error_code</td><td>The error code, or 0 if there was no error.</td></tr>
<tr>
<td>base_offset</td><td>The base offset.</td></tr>
<tr>
<td>log_append_time_ms</td><td>The timestamp returned by broker after appending the messages. If CreateTime is used for the topic, the timestamp will be -1.  If LogAppendTime is used for the topic, the timestamp will be the broker local time when the messages are appended.</td></tr>
<tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
</table>
</p>
<p><pre>Produce Response (Version: 5) => [responses] throttle_time_ms 
  responses => name [partition_responses] 
    name => STRING
    partition_responses => index error_code base_offset log_append_time_ms log_start_offset 
      index => INT32
      error_code => INT16
      base_offset => INT64
      log_append_time_ms => INT64
      log_start_offset => INT64
  throttle_time_ms => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>responses</td><td>Each produce response</td></tr>
<tr>
<td>name</td><td>The topic name</td></tr>
<tr>
<td>partition_responses</td><td>Each partition that we produced to within the topic.</td></tr>
<tr>
<td>index</td><td>The partition index.</td></tr>
<tr>
<td>error_code</td><td>The error code, or 0 if there was no error.</td></tr>
<tr>
<td>base_offset</td><td>The base offset.</td></tr>
<tr>
<td>log_append_time_ms</td><td>The timestamp returned by broker after appending the messages. If CreateTime is used for the topic, the timestamp will be -1.  If LogAppendTime is used for the topic, the timestamp will be the broker local time when the messages are appended.</td></tr>
<tr>
<td>log_start_offset</td><td>The log start offset.</td></tr>
<tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
</table>
</p>
<p><pre>Produce Response (Version: 6) => [responses] throttle_time_ms 
  responses => name [partition_responses] 
    name => STRING
    partition_responses => index error_code base_offset log_append_time_ms log_start_offset 
      index => INT32
      error_code => INT16
      base_offset => INT64
      log_append_time_ms => INT64
      log_start_offset => INT64
  throttle_time_ms => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>responses</td><td>Each produce response</td></tr>
<tr>
<td>name</td><td>The topic name</td></tr>
<tr>
<td>partition_responses</td><td>Each partition that we produced to within the topic.</td></tr>
<tr>
<td>index</td><td>The partition index.</td></tr>
<tr>
<td>error_code</td><td>The error code, or 0 if there was no error.</td></tr>
<tr>
<td>base_offset</td><td>The base offset.</td></tr>
<tr>
<td>log_append_time_ms</td><td>The timestamp returned by broker after appending the messages. If CreateTime is used for the topic, the timestamp will be -1.  If LogAppendTime is used for the topic, the timestamp will be the broker local time when the messages are appended.</td></tr>
<tr>
<td>log_start_offset</td><td>The log start offset.</td></tr>
<tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
</table>
</p>
<p><pre>Produce Response (Version: 7) => [responses] throttle_time_ms 
  responses => name [partition_responses] 
    name => STRING
    partition_responses => index error_code base_offset log_append_time_ms log_start_offset 
      index => INT32
      error_code => INT16
      base_offset => INT64
      log_append_time_ms => INT64
      log_start_offset => INT64
  throttle_time_ms => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>responses</td><td>Each produce response</td></tr>
<tr>
<td>name</td><td>The topic name</td></tr>
<tr>
<td>partition_responses</td><td>Each partition that we produced to within the topic.</td></tr>
<tr>
<td>index</td><td>The partition index.</td></tr>
<tr>
<td>error_code</td><td>The error code, or 0 if there was no error.</td></tr>
<tr>
<td>base_offset</td><td>The base offset.</td></tr>
<tr>
<td>log_append_time_ms</td><td>The timestamp returned by broker after appending the messages. If CreateTime is used for the topic, the timestamp will be -1.  If LogAppendTime is used for the topic, the timestamp will be the broker local time when the messages are appended.</td></tr>
<tr>
<td>log_start_offset</td><td>The log start offset.</td></tr>
<tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
</table>
</p>
<p><pre>Produce Response (Version: 8) => [responses] throttle_time_ms 
  responses => name [partition_responses] 
    name => STRING
    partition_responses => index error_code base_offset log_append_time_ms log_start_offset [record_errors] error_message 
      index => INT32
      error_code => INT16
      base_offset => INT64
      log_append_time_ms => INT64
      log_start_offset => INT64
      record_errors => batch_index batch_index_error_message 
        batch_index => INT32
        batch_index_error_message => NULLABLE_STRING
      error_message => NULLABLE_STRING
  throttle_time_ms => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>responses</td><td>Each produce response</td></tr>
<tr>
<td>name</td><td>The topic name</td></tr>
<tr>
<td>partition_responses</td><td>Each partition that we produced to within the topic.</td></tr>
<tr>
<td>index</td><td>The partition index.</td></tr>
<tr>
<td>error_code</td><td>The error code, or 0 if there was no error.</td></tr>
<tr>
<td>base_offset</td><td>The base offset.</td></tr>
<tr>
<td>log_append_time_ms</td><td>The timestamp returned by broker after appending the messages. If CreateTime is used for the topic, the timestamp will be -1.  If LogAppendTime is used for the topic, the timestamp will be the broker local time when the messages are appended.</td></tr>
<tr>
<td>log_start_offset</td><td>The log start offset.</td></tr>
<tr>
<td>record_errors</td><td>The batch indices of records that caused the batch to be dropped</td></tr>
<tr>
<td>batch_index</td><td>The batch index of the record that cause the batch to be dropped</td></tr>
<tr>
<td>batch_index_error_message</td><td>The error message of the record that caused the batch to be dropped</td></tr>
<tr>
<td>error_message</td><td>The global error message summarizing the common root cause of the records that caused the batch to be dropped</td></tr>
<tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
</table>
</p>
<p><pre>Produce Response (Version: 9) => [responses] throttle_time_ms TAG_BUFFER 
  responses => name [partition_responses] TAG_BUFFER 
    name => COMPACT_STRING
    partition_responses => index error_code base_offset log_append_time_ms log_start_offset [record_errors] error_message TAG_BUFFER 
      index => INT32
      error_code => INT16
      base_offset => INT64
      log_append_time_ms => INT64
      log_start_offset => INT64
      record_errors => batch_index batch_index_error_message TAG_BUFFER 
        batch_index => INT32
        batch_index_error_message => COMPACT_NULLABLE_STRING
      error_message => COMPACT_NULLABLE_STRING
  throttle_time_ms => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>responses</td><td>Each produce response</td></tr>
<tr>
<td>name</td><td>The topic name</td></tr>
<tr>
<td>partition_responses</td><td>Each partition that we produced to within the topic.</td></tr>
<tr>
<td>index</td><td>The partition index.</td></tr>
<tr>
<td>error_code</td><td>The error code, or 0 if there was no error.</td></tr>
<tr>
<td>base_offset</td><td>The base offset.</td></tr>
<tr>
<td>log_append_time_ms</td><td>The timestamp returned by broker after appending the messages. If CreateTime is used for the topic, the timestamp will be -1.  If LogAppendTime is used for the topic, the timestamp will be the broker local time when the messages are appended.</td></tr>
<tr>
<td>log_start_offset</td><td>The log start offset.</td></tr>
<tr>
<td>record_errors</td><td>The batch indices of records that caused the batch to be dropped</td></tr>
<tr>
<td>batch_index</td><td>The batch index of the record that cause the batch to be dropped</td></tr>
<tr>
<td>batch_index_error_message</td><td>The error message of the record that caused the batch to be dropped</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>error_message</td><td>The global error message summarizing the common root cause of the records that caused the batch to be dropped</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<h5><a name="The_Messages_Fetch">Fetch API (Key: 1):</a></h5>

<b>Requests:</b><br>
<p><pre>Fetch Request (Version: 0) => replica_id max_wait_ms min_bytes [topics] 
  replica_id => INT32
  max_wait_ms => INT32
  min_bytes => INT32
  topics => topic [partitions] 
    topic => STRING
    partitions => partition fetch_offset partition_max_bytes 
      partition => INT32
      fetch_offset => INT64
      partition_max_bytes => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>replica_id</td><td>The broker ID of the follower, of -1 if this request is from a consumer.</td></tr>
<tr>
<td>max_wait_ms</td><td>The maximum time in milliseconds to wait for the response.</td></tr>
<tr>
<td>min_bytes</td><td>The minimum bytes to accumulate in the response.</td></tr>
<tr>
<td>topics</td><td>The topics to fetch.</td></tr>
<tr>
<td>topic</td><td>The name of the topic to fetch.</td></tr>
<tr>
<td>partitions</td><td>The partitions to fetch.</td></tr>
<tr>
<td>partition</td><td>The partition index.</td></tr>
<tr>
<td>fetch_offset</td><td>The message offset.</td></tr>
<tr>
<td>partition_max_bytes</td><td>The maximum bytes to fetch from this partition.  See KIP-74 for cases where this limit may not be honored.</td></tr>
</table>
</p>
<p><pre>Fetch Request (Version: 1) => replica_id max_wait_ms min_bytes [topics] 
  replica_id => INT32
  max_wait_ms => INT32
  min_bytes => INT32
  topics => topic [partitions] 
    topic => STRING
    partitions => partition fetch_offset partition_max_bytes 
      partition => INT32
      fetch_offset => INT64
      partition_max_bytes => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>replica_id</td><td>The broker ID of the follower, of -1 if this request is from a consumer.</td></tr>
<tr>
<td>max_wait_ms</td><td>The maximum time in milliseconds to wait for the response.</td></tr>
<tr>
<td>min_bytes</td><td>The minimum bytes to accumulate in the response.</td></tr>
<tr>
<td>topics</td><td>The topics to fetch.</td></tr>
<tr>
<td>topic</td><td>The name of the topic to fetch.</td></tr>
<tr>
<td>partitions</td><td>The partitions to fetch.</td></tr>
<tr>
<td>partition</td><td>The partition index.</td></tr>
<tr>
<td>fetch_offset</td><td>The message offset.</td></tr>
<tr>
<td>partition_max_bytes</td><td>The maximum bytes to fetch from this partition.  See KIP-74 for cases where this limit may not be honored.</td></tr>
</table>
</p>
<p><pre>Fetch Request (Version: 2) => replica_id max_wait_ms min_bytes [topics] 
  replica_id => INT32
  max_wait_ms => INT32
  min_bytes => INT32
  topics => topic [partitions] 
    topic => STRING
    partitions => partition fetch_offset partition_max_bytes 
      partition => INT32
      fetch_offset => INT64
      partition_max_bytes => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>replica_id</td><td>The broker ID of the follower, of -1 if this request is from a consumer.</td></tr>
<tr>
<td>max_wait_ms</td><td>The maximum time in milliseconds to wait for the response.</td></tr>
<tr>
<td>min_bytes</td><td>The minimum bytes to accumulate in the response.</td></tr>
<tr>
<td>topics</td><td>The topics to fetch.</td></tr>
<tr>
<td>topic</td><td>The name of the topic to fetch.</td></tr>
<tr>
<td>partitions</td><td>The partitions to fetch.</td></tr>
<tr>
<td>partition</td><td>The partition index.</td></tr>
<tr>
<td>fetch_offset</td><td>The message offset.</td></tr>
<tr>
<td>partition_max_bytes</td><td>The maximum bytes to fetch from this partition.  See KIP-74 for cases where this limit may not be honored.</td></tr>
</table>
</p>
<p><pre>Fetch Request (Version: 3) => replica_id max_wait_ms min_bytes max_bytes [topics] 
  replica_id => INT32
  max_wait_ms => INT32
  min_bytes => INT32
  max_bytes => INT32
  topics => topic [partitions] 
    topic => STRING
    partitions => partition fetch_offset partition_max_bytes 
      partition => INT32
      fetch_offset => INT64
      partition_max_bytes => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>replica_id</td><td>The broker ID of the follower, of -1 if this request is from a consumer.</td></tr>
<tr>
<td>max_wait_ms</td><td>The maximum time in milliseconds to wait for the response.</td></tr>
<tr>
<td>min_bytes</td><td>The minimum bytes to accumulate in the response.</td></tr>
<tr>
<td>max_bytes</td><td>The maximum bytes to fetch.  See KIP-74 for cases where this limit may not be honored.</td></tr>
<tr>
<td>topics</td><td>The topics to fetch.</td></tr>
<tr>
<td>topic</td><td>The name of the topic to fetch.</td></tr>
<tr>
<td>partitions</td><td>The partitions to fetch.</td></tr>
<tr>
<td>partition</td><td>The partition index.</td></tr>
<tr>
<td>fetch_offset</td><td>The message offset.</td></tr>
<tr>
<td>partition_max_bytes</td><td>The maximum bytes to fetch from this partition.  See KIP-74 for cases where this limit may not be honored.</td></tr>
</table>
</p>
<p><pre>Fetch Request (Version: 4) => replica_id max_wait_ms min_bytes max_bytes isolation_level [topics] 
  replica_id => INT32
  max_wait_ms => INT32
  min_bytes => INT32
  max_bytes => INT32
  isolation_level => INT8
  topics => topic [partitions] 
    topic => STRING
    partitions => partition fetch_offset partition_max_bytes 
      partition => INT32
      fetch_offset => INT64
      partition_max_bytes => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>replica_id</td><td>The broker ID of the follower, of -1 if this request is from a consumer.</td></tr>
<tr>
<td>max_wait_ms</td><td>The maximum time in milliseconds to wait for the response.</td></tr>
<tr>
<td>min_bytes</td><td>The minimum bytes to accumulate in the response.</td></tr>
<tr>
<td>max_bytes</td><td>The maximum bytes to fetch.  See KIP-74 for cases where this limit may not be honored.</td></tr>
<tr>
<td>isolation_level</td><td>This setting controls the visibility of transactional records. Using READ_UNCOMMITTED (isolation_level = 0) makes all records visible. With READ_COMMITTED (isolation_level = 1), non-transactional and COMMITTED transactional records are visible. To be more concrete, READ_COMMITTED returns all data from offsets smaller than the current LSO (last stable offset), and enables the inclusion of the list of aborted transactions in the result, which allows consumers to discard ABORTED transactional records</td></tr>
<tr>
<td>topics</td><td>The topics to fetch.</td></tr>
<tr>
<td>topic</td><td>The name of the topic to fetch.</td></tr>
<tr>
<td>partitions</td><td>The partitions to fetch.</td></tr>
<tr>
<td>partition</td><td>The partition index.</td></tr>
<tr>
<td>fetch_offset</td><td>The message offset.</td></tr>
<tr>
<td>partition_max_bytes</td><td>The maximum bytes to fetch from this partition.  See KIP-74 for cases where this limit may not be honored.</td></tr>
</table>
</p>
<p><pre>Fetch Request (Version: 5) => replica_id max_wait_ms min_bytes max_bytes isolation_level [topics] 
  replica_id => INT32
  max_wait_ms => INT32
  min_bytes => INT32
  max_bytes => INT32
  isolation_level => INT8
  topics => topic [partitions] 
    topic => STRING
    partitions => partition fetch_offset log_start_offset partition_max_bytes 
      partition => INT32
      fetch_offset => INT64
      log_start_offset => INT64
      partition_max_bytes => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>replica_id</td><td>The broker ID of the follower, of -1 if this request is from a consumer.</td></tr>
<tr>
<td>max_wait_ms</td><td>The maximum time in milliseconds to wait for the response.</td></tr>
<tr>
<td>min_bytes</td><td>The minimum bytes to accumulate in the response.</td></tr>
<tr>
<td>max_bytes</td><td>The maximum bytes to fetch.  See KIP-74 for cases where this limit may not be honored.</td></tr>
<tr>
<td>isolation_level</td><td>This setting controls the visibility of transactional records. Using READ_UNCOMMITTED (isolation_level = 0) makes all records visible. With READ_COMMITTED (isolation_level = 1), non-transactional and COMMITTED transactional records are visible. To be more concrete, READ_COMMITTED returns all data from offsets smaller than the current LSO (last stable offset), and enables the inclusion of the list of aborted transactions in the result, which allows consumers to discard ABORTED transactional records</td></tr>
<tr>
<td>topics</td><td>The topics to fetch.</td></tr>
<tr>
<td>topic</td><td>The name of the topic to fetch.</td></tr>
<tr>
<td>partitions</td><td>The partitions to fetch.</td></tr>
<tr>
<td>partition</td><td>The partition index.</td></tr>
<tr>
<td>fetch_offset</td><td>The message offset.</td></tr>
<tr>
<td>log_start_offset</td><td>The earliest available offset of the follower replica.  The field is only used when the request is sent by the follower.</td></tr>
<tr>
<td>partition_max_bytes</td><td>The maximum bytes to fetch from this partition.  See KIP-74 for cases where this limit may not be honored.</td></tr>
</table>
</p>
<p><pre>Fetch Request (Version: 6) => replica_id max_wait_ms min_bytes max_bytes isolation_level [topics] 
  replica_id => INT32
  max_wait_ms => INT32
  min_bytes => INT32
  max_bytes => INT32
  isolation_level => INT8
  topics => topic [partitions] 
    topic => STRING
    partitions => partition fetch_offset log_start_offset partition_max_bytes 
      partition => INT32
      fetch_offset => INT64
      log_start_offset => INT64
      partition_max_bytes => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>replica_id</td><td>The broker ID of the follower, of -1 if this request is from a consumer.</td></tr>
<tr>
<td>max_wait_ms</td><td>The maximum time in milliseconds to wait for the response.</td></tr>
<tr>
<td>min_bytes</td><td>The minimum bytes to accumulate in the response.</td></tr>
<tr>
<td>max_bytes</td><td>The maximum bytes to fetch.  See KIP-74 for cases where this limit may not be honored.</td></tr>
<tr>
<td>isolation_level</td><td>This setting controls the visibility of transactional records. Using READ_UNCOMMITTED (isolation_level = 0) makes all records visible. With READ_COMMITTED (isolation_level = 1), non-transactional and COMMITTED transactional records are visible. To be more concrete, READ_COMMITTED returns all data from offsets smaller than the current LSO (last stable offset), and enables the inclusion of the list of aborted transactions in the result, which allows consumers to discard ABORTED transactional records</td></tr>
<tr>
<td>topics</td><td>The topics to fetch.</td></tr>
<tr>
<td>topic</td><td>The name of the topic to fetch.</td></tr>
<tr>
<td>partitions</td><td>The partitions to fetch.</td></tr>
<tr>
<td>partition</td><td>The partition index.</td></tr>
<tr>
<td>fetch_offset</td><td>The message offset.</td></tr>
<tr>
<td>log_start_offset</td><td>The earliest available offset of the follower replica.  The field is only used when the request is sent by the follower.</td></tr>
<tr>
<td>partition_max_bytes</td><td>The maximum bytes to fetch from this partition.  See KIP-74 for cases where this limit may not be honored.</td></tr>
</table>
</p>
<p><pre>Fetch Request (Version: 7) => replica_id max_wait_ms min_bytes max_bytes isolation_level session_id session_epoch [topics] [forgotten_topics_data] 
  replica_id => INT32
  max_wait_ms => INT32
  min_bytes => INT32
  max_bytes => INT32
  isolation_level => INT8
  session_id => INT32
  session_epoch => INT32
  topics => topic [partitions] 
    topic => STRING
    partitions => partition fetch_offset log_start_offset partition_max_bytes 
      partition => INT32
      fetch_offset => INT64
      log_start_offset => INT64
      partition_max_bytes => INT32
  forgotten_topics_data => topic [partitions] 
    topic => STRING
    partitions => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>replica_id</td><td>The broker ID of the follower, of -1 if this request is from a consumer.</td></tr>
<tr>
<td>max_wait_ms</td><td>The maximum time in milliseconds to wait for the response.</td></tr>
<tr>
<td>min_bytes</td><td>The minimum bytes to accumulate in the response.</td></tr>
<tr>
<td>max_bytes</td><td>The maximum bytes to fetch.  See KIP-74 for cases where this limit may not be honored.</td></tr>
<tr>
<td>isolation_level</td><td>This setting controls the visibility of transactional records. Using READ_UNCOMMITTED (isolation_level = 0) makes all records visible. With READ_COMMITTED (isolation_level = 1), non-transactional and COMMITTED transactional records are visible. To be more concrete, READ_COMMITTED returns all data from offsets smaller than the current LSO (last stable offset), and enables the inclusion of the list of aborted transactions in the result, which allows consumers to discard ABORTED transactional records</td></tr>
<tr>
<td>session_id</td><td>The fetch session ID.</td></tr>
<tr>
<td>session_epoch</td><td>The fetch session epoch, which is used for ordering requests in a session.</td></tr>
<tr>
<td>topics</td><td>The topics to fetch.</td></tr>
<tr>
<td>topic</td><td>The name of the topic to fetch.</td></tr>
<tr>
<td>partitions</td><td>The partitions to fetch.</td></tr>
<tr>
<td>partition</td><td>The partition index.</td></tr>
<tr>
<td>fetch_offset</td><td>The message offset.</td></tr>
<tr>
<td>log_start_offset</td><td>The earliest available offset of the follower replica.  The field is only used when the request is sent by the follower.</td></tr>
<tr>
<td>partition_max_bytes</td><td>The maximum bytes to fetch from this partition.  See KIP-74 for cases where this limit may not be honored.</td></tr>
<tr>
<td>forgotten_topics_data</td><td>In an incremental fetch request, the partitions to remove.</td></tr>
<tr>
<td>topic</td><td>The partition name.</td></tr>
<tr>
<td>partitions</td><td>The partitions indexes to forget.</td></tr>
</table>
</p>
<p><pre>Fetch Request (Version: 8) => replica_id max_wait_ms min_bytes max_bytes isolation_level session_id session_epoch [topics] [forgotten_topics_data] 
  replica_id => INT32
  max_wait_ms => INT32
  min_bytes => INT32
  max_bytes => INT32
  isolation_level => INT8
  session_id => INT32
  session_epoch => INT32
  topics => topic [partitions] 
    topic => STRING
    partitions => partition fetch_offset log_start_offset partition_max_bytes 
      partition => INT32
      fetch_offset => INT64
      log_start_offset => INT64
      partition_max_bytes => INT32
  forgotten_topics_data => topic [partitions] 
    topic => STRING
    partitions => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>replica_id</td><td>The broker ID of the follower, of -1 if this request is from a consumer.</td></tr>
<tr>
<td>max_wait_ms</td><td>The maximum time in milliseconds to wait for the response.</td></tr>
<tr>
<td>min_bytes</td><td>The minimum bytes to accumulate in the response.</td></tr>
<tr>
<td>max_bytes</td><td>The maximum bytes to fetch.  See KIP-74 for cases where this limit may not be honored.</td></tr>
<tr>
<td>isolation_level</td><td>This setting controls the visibility of transactional records. Using READ_UNCOMMITTED (isolation_level = 0) makes all records visible. With READ_COMMITTED (isolation_level = 1), non-transactional and COMMITTED transactional records are visible. To be more concrete, READ_COMMITTED returns all data from offsets smaller than the current LSO (last stable offset), and enables the inclusion of the list of aborted transactions in the result, which allows consumers to discard ABORTED transactional records</td></tr>
<tr>
<td>session_id</td><td>The fetch session ID.</td></tr>
<tr>
<td>session_epoch</td><td>The fetch session epoch, which is used for ordering requests in a session.</td></tr>
<tr>
<td>topics</td><td>The topics to fetch.</td></tr>
<tr>
<td>topic</td><td>The name of the topic to fetch.</td></tr>
<tr>
<td>partitions</td><td>The partitions to fetch.</td></tr>
<tr>
<td>partition</td><td>The partition index.</td></tr>
<tr>
<td>fetch_offset</td><td>The message offset.</td></tr>
<tr>
<td>log_start_offset</td><td>The earliest available offset of the follower replica.  The field is only used when the request is sent by the follower.</td></tr>
<tr>
<td>partition_max_bytes</td><td>The maximum bytes to fetch from this partition.  See KIP-74 for cases where this limit may not be honored.</td></tr>
<tr>
<td>forgotten_topics_data</td><td>In an incremental fetch request, the partitions to remove.</td></tr>
<tr>
<td>topic</td><td>The partition name.</td></tr>
<tr>
<td>partitions</td><td>The partitions indexes to forget.</td></tr>
</table>
</p>
<p><pre>Fetch Request (Version: 9) => replica_id max_wait_ms min_bytes max_bytes isolation_level session_id session_epoch [topics] [forgotten_topics_data] 
  replica_id => INT32
  max_wait_ms => INT32
  min_bytes => INT32
  max_bytes => INT32
  isolation_level => INT8
  session_id => INT32
  session_epoch => INT32
  topics => topic [partitions] 
    topic => STRING
    partitions => partition current_leader_epoch fetch_offset log_start_offset partition_max_bytes 
      partition => INT32
      current_leader_epoch => INT32
      fetch_offset => INT64
      log_start_offset => INT64
      partition_max_bytes => INT32
  forgotten_topics_data => topic [partitions] 
    topic => STRING
    partitions => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>replica_id</td><td>The broker ID of the follower, of -1 if this request is from a consumer.</td></tr>
<tr>
<td>max_wait_ms</td><td>The maximum time in milliseconds to wait for the response.</td></tr>
<tr>
<td>min_bytes</td><td>The minimum bytes to accumulate in the response.</td></tr>
<tr>
<td>max_bytes</td><td>The maximum bytes to fetch.  See KIP-74 for cases where this limit may not be honored.</td></tr>
<tr>
<td>isolation_level</td><td>This setting controls the visibility of transactional records. Using READ_UNCOMMITTED (isolation_level = 0) makes all records visible. With READ_COMMITTED (isolation_level = 1), non-transactional and COMMITTED transactional records are visible. To be more concrete, READ_COMMITTED returns all data from offsets smaller than the current LSO (last stable offset), and enables the inclusion of the list of aborted transactions in the result, which allows consumers to discard ABORTED transactional records</td></tr>
<tr>
<td>session_id</td><td>The fetch session ID.</td></tr>
<tr>
<td>session_epoch</td><td>The fetch session epoch, which is used for ordering requests in a session.</td></tr>
<tr>
<td>topics</td><td>The topics to fetch.</td></tr>
<tr>
<td>topic</td><td>The name of the topic to fetch.</td></tr>
<tr>
<td>partitions</td><td>The partitions to fetch.</td></tr>
<tr>
<td>partition</td><td>The partition index.</td></tr>
<tr>
<td>current_leader_epoch</td><td>The current leader epoch of the partition.</td></tr>
<tr>
<td>fetch_offset</td><td>The message offset.</td></tr>
<tr>
<td>log_start_offset</td><td>The earliest available offset of the follower replica.  The field is only used when the request is sent by the follower.</td></tr>
<tr>
<td>partition_max_bytes</td><td>The maximum bytes to fetch from this partition.  See KIP-74 for cases where this limit may not be honored.</td></tr>
<tr>
<td>forgotten_topics_data</td><td>In an incremental fetch request, the partitions to remove.</td></tr>
<tr>
<td>topic</td><td>The partition name.</td></tr>
<tr>
<td>partitions</td><td>The partitions indexes to forget.</td></tr>
</table>
</p>
<p><pre>Fetch Request (Version: 10) => replica_id max_wait_ms min_bytes max_bytes isolation_level session_id session_epoch [topics] [forgotten_topics_data] 
  replica_id => INT32
  max_wait_ms => INT32
  min_bytes => INT32
  max_bytes => INT32
  isolation_level => INT8
  session_id => INT32
  session_epoch => INT32
  topics => topic [partitions] 
    topic => STRING
    partitions => partition current_leader_epoch fetch_offset log_start_offset partition_max_bytes 
      partition => INT32
      current_leader_epoch => INT32
      fetch_offset => INT64
      log_start_offset => INT64
      partition_max_bytes => INT32
  forgotten_topics_data => topic [partitions] 
    topic => STRING
    partitions => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>replica_id</td><td>The broker ID of the follower, of -1 if this request is from a consumer.</td></tr>
<tr>
<td>max_wait_ms</td><td>The maximum time in milliseconds to wait for the response.</td></tr>
<tr>
<td>min_bytes</td><td>The minimum bytes to accumulate in the response.</td></tr>
<tr>
<td>max_bytes</td><td>The maximum bytes to fetch.  See KIP-74 for cases where this limit may not be honored.</td></tr>
<tr>
<td>isolation_level</td><td>This setting controls the visibility of transactional records. Using READ_UNCOMMITTED (isolation_level = 0) makes all records visible. With READ_COMMITTED (isolation_level = 1), non-transactional and COMMITTED transactional records are visible. To be more concrete, READ_COMMITTED returns all data from offsets smaller than the current LSO (last stable offset), and enables the inclusion of the list of aborted transactions in the result, which allows consumers to discard ABORTED transactional records</td></tr>
<tr>
<td>session_id</td><td>The fetch session ID.</td></tr>
<tr>
<td>session_epoch</td><td>The fetch session epoch, which is used for ordering requests in a session.</td></tr>
<tr>
<td>topics</td><td>The topics to fetch.</td></tr>
<tr>
<td>topic</td><td>The name of the topic to fetch.</td></tr>
<tr>
<td>partitions</td><td>The partitions to fetch.</td></tr>
<tr>
<td>partition</td><td>The partition index.</td></tr>
<tr>
<td>current_leader_epoch</td><td>The current leader epoch of the partition.</td></tr>
<tr>
<td>fetch_offset</td><td>The message offset.</td></tr>
<tr>
<td>log_start_offset</td><td>The earliest available offset of the follower replica.  The field is only used when the request is sent by the follower.</td></tr>
<tr>
<td>partition_max_bytes</td><td>The maximum bytes to fetch from this partition.  See KIP-74 for cases where this limit may not be honored.</td></tr>
<tr>
<td>forgotten_topics_data</td><td>In an incremental fetch request, the partitions to remove.</td></tr>
<tr>
<td>topic</td><td>The partition name.</td></tr>
<tr>
<td>partitions</td><td>The partitions indexes to forget.</td></tr>
</table>
</p>
<p><pre>Fetch Request (Version: 11) => replica_id max_wait_ms min_bytes max_bytes isolation_level session_id session_epoch [topics] [forgotten_topics_data] rack_id 
  replica_id => INT32
  max_wait_ms => INT32
  min_bytes => INT32
  max_bytes => INT32
  isolation_level => INT8
  session_id => INT32
  session_epoch => INT32
  topics => topic [partitions] 
    topic => STRING
    partitions => partition current_leader_epoch fetch_offset log_start_offset partition_max_bytes 
      partition => INT32
      current_leader_epoch => INT32
      fetch_offset => INT64
      log_start_offset => INT64
      partition_max_bytes => INT32
  forgotten_topics_data => topic [partitions] 
    topic => STRING
    partitions => INT32
  rack_id => STRING
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>replica_id</td><td>The broker ID of the follower, of -1 if this request is from a consumer.</td></tr>
<tr>
<td>max_wait_ms</td><td>The maximum time in milliseconds to wait for the response.</td></tr>
<tr>
<td>min_bytes</td><td>The minimum bytes to accumulate in the response.</td></tr>
<tr>
<td>max_bytes</td><td>The maximum bytes to fetch.  See KIP-74 for cases where this limit may not be honored.</td></tr>
<tr>
<td>isolation_level</td><td>This setting controls the visibility of transactional records. Using READ_UNCOMMITTED (isolation_level = 0) makes all records visible. With READ_COMMITTED (isolation_level = 1), non-transactional and COMMITTED transactional records are visible. To be more concrete, READ_COMMITTED returns all data from offsets smaller than the current LSO (last stable offset), and enables the inclusion of the list of aborted transactions in the result, which allows consumers to discard ABORTED transactional records</td></tr>
<tr>
<td>session_id</td><td>The fetch session ID.</td></tr>
<tr>
<td>session_epoch</td><td>The fetch session epoch, which is used for ordering requests in a session.</td></tr>
<tr>
<td>topics</td><td>The topics to fetch.</td></tr>
<tr>
<td>topic</td><td>The name of the topic to fetch.</td></tr>
<tr>
<td>partitions</td><td>The partitions to fetch.</td></tr>
<tr>
<td>partition</td><td>The partition index.</td></tr>
<tr>
<td>current_leader_epoch</td><td>The current leader epoch of the partition.</td></tr>
<tr>
<td>fetch_offset</td><td>The message offset.</td></tr>
<tr>
<td>log_start_offset</td><td>The earliest available offset of the follower replica.  The field is only used when the request is sent by the follower.</td></tr>
<tr>
<td>partition_max_bytes</td><td>The maximum bytes to fetch from this partition.  See KIP-74 for cases where this limit may not be honored.</td></tr>
<tr>
<td>forgotten_topics_data</td><td>In an incremental fetch request, the partitions to remove.</td></tr>
<tr>
<td>topic</td><td>The partition name.</td></tr>
<tr>
<td>partitions</td><td>The partitions indexes to forget.</td></tr>
<tr>
<td>rack_id</td><td>Rack ID of the consumer making this request</td></tr>
</table>
</p>
<p><pre>Fetch Request (Version: 12) => replica_id max_wait_ms min_bytes max_bytes isolation_level session_id session_epoch [topics] [forgotten_topics_data] rack_id TAG_BUFFER 
  replica_id => INT32
  max_wait_ms => INT32
  min_bytes => INT32
  max_bytes => INT32
  isolation_level => INT8
  session_id => INT32
  session_epoch => INT32
  topics => topic [partitions] TAG_BUFFER 
    topic => COMPACT_STRING
    partitions => partition current_leader_epoch fetch_offset last_fetched_epoch log_start_offset partition_max_bytes TAG_BUFFER 
      partition => INT32
      current_leader_epoch => INT32
      fetch_offset => INT64
      last_fetched_epoch => INT32
      log_start_offset => INT64
      partition_max_bytes => INT32
  forgotten_topics_data => topic [partitions] TAG_BUFFER 
    topic => COMPACT_STRING
    partitions => INT32
  rack_id => COMPACT_STRING
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>replica_id</td><td>The broker ID of the follower, of -1 if this request is from a consumer.</td></tr>
<tr>
<td>max_wait_ms</td><td>The maximum time in milliseconds to wait for the response.</td></tr>
<tr>
<td>min_bytes</td><td>The minimum bytes to accumulate in the response.</td></tr>
<tr>
<td>max_bytes</td><td>The maximum bytes to fetch.  See KIP-74 for cases where this limit may not be honored.</td></tr>
<tr>
<td>isolation_level</td><td>This setting controls the visibility of transactional records. Using READ_UNCOMMITTED (isolation_level = 0) makes all records visible. With READ_COMMITTED (isolation_level = 1), non-transactional and COMMITTED transactional records are visible. To be more concrete, READ_COMMITTED returns all data from offsets smaller than the current LSO (last stable offset), and enables the inclusion of the list of aborted transactions in the result, which allows consumers to discard ABORTED transactional records</td></tr>
<tr>
<td>session_id</td><td>The fetch session ID.</td></tr>
<tr>
<td>session_epoch</td><td>The fetch session epoch, which is used for ordering requests in a session.</td></tr>
<tr>
<td>topics</td><td>The topics to fetch.</td></tr>
<tr>
<td>topic</td><td>The name of the topic to fetch.</td></tr>
<tr>
<td>partitions</td><td>The partitions to fetch.</td></tr>
<tr>
<td>partition</td><td>The partition index.</td></tr>
<tr>
<td>current_leader_epoch</td><td>The current leader epoch of the partition.</td></tr>
<tr>
<td>fetch_offset</td><td>The message offset.</td></tr>
<tr>
<td>last_fetched_epoch</td><td>The epoch of the last fetched record or -1 if there is none</td></tr>
<tr>
<td>log_start_offset</td><td>The earliest available offset of the follower replica.  The field is only used when the request is sent by the follower.</td></tr>
<tr>
<td>partition_max_bytes</td><td>The maximum bytes to fetch from this partition.  See KIP-74 for cases where this limit may not be honored.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>forgotten_topics_data</td><td>In an incremental fetch request, the partitions to remove.</td></tr>
<tr>
<td>topic</td><td>The partition name.</td></tr>
<tr>
<td>partitions</td><td>The partitions indexes to forget.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>rack_id</td><td>Rack ID of the consumer making this request</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<b>Responses:</b><br>
<p><pre>Fetch Response (Version: 0) => [responses] 
  responses => topic [partition_responses] 
    topic => STRING
    partition_responses => partition error_code high_watermark record_set 
      partition => INT32
      error_code => INT16
      high_watermark => INT64
      record_set => RECORDS
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>responses</td><td>The response topics.</td></tr>
<tr>
<td>topic</td><td>The topic name.</td></tr>
<tr>
<td>partition_responses</td><td>The topic partitions.</td></tr>
<tr>
<td>partition</td><td>The partition index.</td></tr>
<tr>
<td>error_code</td><td>The error code, or 0 if there was no fetch error.</td></tr>
<tr>
<td>high_watermark</td><td>The current high water mark.</td></tr>
<tr>
<td>record_set</td><td>The record data.</td></tr>
</table>
</p>
<p><pre>Fetch Response (Version: 1) => throttle_time_ms [responses] 
  throttle_time_ms => INT32
  responses => topic [partition_responses] 
    topic => STRING
    partition_responses => partition error_code high_watermark record_set 
      partition => INT32
      error_code => INT16
      high_watermark => INT64
      record_set => RECORDS
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>responses</td><td>The response topics.</td></tr>
<tr>
<td>topic</td><td>The topic name.</td></tr>
<tr>
<td>partition_responses</td><td>The topic partitions.</td></tr>
<tr>
<td>partition</td><td>The partition index.</td></tr>
<tr>
<td>error_code</td><td>The error code, or 0 if there was no fetch error.</td></tr>
<tr>
<td>high_watermark</td><td>The current high water mark.</td></tr>
<tr>
<td>record_set</td><td>The record data.</td></tr>
</table>
</p>
<p><pre>Fetch Response (Version: 2) => throttle_time_ms [responses] 
  throttle_time_ms => INT32
  responses => topic [partition_responses] 
    topic => STRING
    partition_responses => partition error_code high_watermark record_set 
      partition => INT32
      error_code => INT16
      high_watermark => INT64
      record_set => RECORDS
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>responses</td><td>The response topics.</td></tr>
<tr>
<td>topic</td><td>The topic name.</td></tr>
<tr>
<td>partition_responses</td><td>The topic partitions.</td></tr>
<tr>
<td>partition</td><td>The partition index.</td></tr>
<tr>
<td>error_code</td><td>The error code, or 0 if there was no fetch error.</td></tr>
<tr>
<td>high_watermark</td><td>The current high water mark.</td></tr>
<tr>
<td>record_set</td><td>The record data.</td></tr>
</table>
</p>
<p><pre>Fetch Response (Version: 3) => throttle_time_ms [responses] 
  throttle_time_ms => INT32
  responses => topic [partition_responses] 
    topic => STRING
    partition_responses => partition error_code high_watermark record_set 
      partition => INT32
      error_code => INT16
      high_watermark => INT64
      record_set => RECORDS
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>responses</td><td>The response topics.</td></tr>
<tr>
<td>topic</td><td>The topic name.</td></tr>
<tr>
<td>partition_responses</td><td>The topic partitions.</td></tr>
<tr>
<td>partition</td><td>The partition index.</td></tr>
<tr>
<td>error_code</td><td>The error code, or 0 if there was no fetch error.</td></tr>
<tr>
<td>high_watermark</td><td>The current high water mark.</td></tr>
<tr>
<td>record_set</td><td>The record data.</td></tr>
</table>
</p>
<p><pre>Fetch Response (Version: 4) => throttle_time_ms [responses] 
  throttle_time_ms => INT32
  responses => topic [partition_responses] 
    topic => STRING
    partition_responses => partition error_code high_watermark last_stable_offset [aborted_transactions] record_set 
      partition => INT32
      error_code => INT16
      high_watermark => INT64
      last_stable_offset => INT64
      aborted_transactions => producer_id first_offset 
        producer_id => INT64
        first_offset => INT64
      record_set => RECORDS
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>responses</td><td>The response topics.</td></tr>
<tr>
<td>topic</td><td>The topic name.</td></tr>
<tr>
<td>partition_responses</td><td>The topic partitions.</td></tr>
<tr>
<td>partition</td><td>The partition index.</td></tr>
<tr>
<td>error_code</td><td>The error code, or 0 if there was no fetch error.</td></tr>
<tr>
<td>high_watermark</td><td>The current high water mark.</td></tr>
<tr>
<td>last_stable_offset</td><td>The last stable offset (or LSO) of the partition. This is the last offset such that the state of all transactional records prior to this offset have been decided (ABORTED or COMMITTED)</td></tr>
<tr>
<td>aborted_transactions</td><td>The aborted transactions.</td></tr>
<tr>
<td>producer_id</td><td>The producer id associated with the aborted transaction.</td></tr>
<tr>
<td>first_offset</td><td>The first offset in the aborted transaction.</td></tr>
<tr>
<td>record_set</td><td>The record data.</td></tr>
</table>
</p>
<p><pre>Fetch Response (Version: 5) => throttle_time_ms [responses] 
  throttle_time_ms => INT32
  responses => topic [partition_responses] 
    topic => STRING
    partition_responses => partition error_code high_watermark last_stable_offset log_start_offset [aborted_transactions] record_set 
      partition => INT32
      error_code => INT16
      high_watermark => INT64
      last_stable_offset => INT64
      log_start_offset => INT64
      aborted_transactions => producer_id first_offset 
        producer_id => INT64
        first_offset => INT64
      record_set => RECORDS
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>responses</td><td>The response topics.</td></tr>
<tr>
<td>topic</td><td>The topic name.</td></tr>
<tr>
<td>partition_responses</td><td>The topic partitions.</td></tr>
<tr>
<td>partition</td><td>The partition index.</td></tr>
<tr>
<td>error_code</td><td>The error code, or 0 if there was no fetch error.</td></tr>
<tr>
<td>high_watermark</td><td>The current high water mark.</td></tr>
<tr>
<td>last_stable_offset</td><td>The last stable offset (or LSO) of the partition. This is the last offset such that the state of all transactional records prior to this offset have been decided (ABORTED or COMMITTED)</td></tr>
<tr>
<td>log_start_offset</td><td>The current log start offset.</td></tr>
<tr>
<td>aborted_transactions</td><td>The aborted transactions.</td></tr>
<tr>
<td>producer_id</td><td>The producer id associated with the aborted transaction.</td></tr>
<tr>
<td>first_offset</td><td>The first offset in the aborted transaction.</td></tr>
<tr>
<td>record_set</td><td>The record data.</td></tr>
</table>
</p>
<p><pre>Fetch Response (Version: 6) => throttle_time_ms [responses] 
  throttle_time_ms => INT32
  responses => topic [partition_responses] 
    topic => STRING
    partition_responses => partition error_code high_watermark last_stable_offset log_start_offset [aborted_transactions] record_set 
      partition => INT32
      error_code => INT16
      high_watermark => INT64
      last_stable_offset => INT64
      log_start_offset => INT64
      aborted_transactions => producer_id first_offset 
        producer_id => INT64
        first_offset => INT64
      record_set => RECORDS
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>responses</td><td>The response topics.</td></tr>
<tr>
<td>topic</td><td>The topic name.</td></tr>
<tr>
<td>partition_responses</td><td>The topic partitions.</td></tr>
<tr>
<td>partition</td><td>The partition index.</td></tr>
<tr>
<td>error_code</td><td>The error code, or 0 if there was no fetch error.</td></tr>
<tr>
<td>high_watermark</td><td>The current high water mark.</td></tr>
<tr>
<td>last_stable_offset</td><td>The last stable offset (or LSO) of the partition. This is the last offset such that the state of all transactional records prior to this offset have been decided (ABORTED or COMMITTED)</td></tr>
<tr>
<td>log_start_offset</td><td>The current log start offset.</td></tr>
<tr>
<td>aborted_transactions</td><td>The aborted transactions.</td></tr>
<tr>
<td>producer_id</td><td>The producer id associated with the aborted transaction.</td></tr>
<tr>
<td>first_offset</td><td>The first offset in the aborted transaction.</td></tr>
<tr>
<td>record_set</td><td>The record data.</td></tr>
</table>
</p>
<p><pre>Fetch Response (Version: 7) => throttle_time_ms error_code session_id [responses] 
  throttle_time_ms => INT32
  error_code => INT16
  session_id => INT32
  responses => topic [partition_responses] 
    topic => STRING
    partition_responses => partition error_code high_watermark last_stable_offset log_start_offset [aborted_transactions] record_set 
      partition => INT32
      error_code => INT16
      high_watermark => INT64
      last_stable_offset => INT64
      log_start_offset => INT64
      aborted_transactions => producer_id first_offset 
        producer_id => INT64
        first_offset => INT64
      record_set => RECORDS
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>error_code</td><td>The top level response error code.</td></tr>
<tr>
<td>session_id</td><td>The fetch session ID, or 0 if this is not part of a fetch session.</td></tr>
<tr>
<td>responses</td><td>The response topics.</td></tr>
<tr>
<td>topic</td><td>The topic name.</td></tr>
<tr>
<td>partition_responses</td><td>The topic partitions.</td></tr>
<tr>
<td>partition</td><td>The partition index.</td></tr>
<tr>
<td>error_code</td><td>The error code, or 0 if there was no fetch error.</td></tr>
<tr>
<td>high_watermark</td><td>The current high water mark.</td></tr>
<tr>
<td>last_stable_offset</td><td>The last stable offset (or LSO) of the partition. This is the last offset such that the state of all transactional records prior to this offset have been decided (ABORTED or COMMITTED)</td></tr>
<tr>
<td>log_start_offset</td><td>The current log start offset.</td></tr>
<tr>
<td>aborted_transactions</td><td>The aborted transactions.</td></tr>
<tr>
<td>producer_id</td><td>The producer id associated with the aborted transaction.</td></tr>
<tr>
<td>first_offset</td><td>The first offset in the aborted transaction.</td></tr>
<tr>
<td>record_set</td><td>The record data.</td></tr>
</table>
</p>
<p><pre>Fetch Response (Version: 8) => throttle_time_ms error_code session_id [responses] 
  throttle_time_ms => INT32
  error_code => INT16
  session_id => INT32
  responses => topic [partition_responses] 
    topic => STRING
    partition_responses => partition error_code high_watermark last_stable_offset log_start_offset [aborted_transactions] record_set 
      partition => INT32
      error_code => INT16
      high_watermark => INT64
      last_stable_offset => INT64
      log_start_offset => INT64
      aborted_transactions => producer_id first_offset 
        producer_id => INT64
        first_offset => INT64
      record_set => RECORDS
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>error_code</td><td>The top level response error code.</td></tr>
<tr>
<td>session_id</td><td>The fetch session ID, or 0 if this is not part of a fetch session.</td></tr>
<tr>
<td>responses</td><td>The response topics.</td></tr>
<tr>
<td>topic</td><td>The topic name.</td></tr>
<tr>
<td>partition_responses</td><td>The topic partitions.</td></tr>
<tr>
<td>partition</td><td>The partition index.</td></tr>
<tr>
<td>error_code</td><td>The error code, or 0 if there was no fetch error.</td></tr>
<tr>
<td>high_watermark</td><td>The current high water mark.</td></tr>
<tr>
<td>last_stable_offset</td><td>The last stable offset (or LSO) of the partition. This is the last offset such that the state of all transactional records prior to this offset have been decided (ABORTED or COMMITTED)</td></tr>
<tr>
<td>log_start_offset</td><td>The current log start offset.</td></tr>
<tr>
<td>aborted_transactions</td><td>The aborted transactions.</td></tr>
<tr>
<td>producer_id</td><td>The producer id associated with the aborted transaction.</td></tr>
<tr>
<td>first_offset</td><td>The first offset in the aborted transaction.</td></tr>
<tr>
<td>record_set</td><td>The record data.</td></tr>
</table>
</p>
<p><pre>Fetch Response (Version: 9) => throttle_time_ms error_code session_id [responses] 
  throttle_time_ms => INT32
  error_code => INT16
  session_id => INT32
  responses => topic [partition_responses] 
    topic => STRING
    partition_responses => partition error_code high_watermark last_stable_offset log_start_offset [aborted_transactions] record_set 
      partition => INT32
      error_code => INT16
      high_watermark => INT64
      last_stable_offset => INT64
      log_start_offset => INT64
      aborted_transactions => producer_id first_offset 
        producer_id => INT64
        first_offset => INT64
      record_set => RECORDS
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>error_code</td><td>The top level response error code.</td></tr>
<tr>
<td>session_id</td><td>The fetch session ID, or 0 if this is not part of a fetch session.</td></tr>
<tr>
<td>responses</td><td>The response topics.</td></tr>
<tr>
<td>topic</td><td>The topic name.</td></tr>
<tr>
<td>partition_responses</td><td>The topic partitions.</td></tr>
<tr>
<td>partition</td><td>The partition index.</td></tr>
<tr>
<td>error_code</td><td>The error code, or 0 if there was no fetch error.</td></tr>
<tr>
<td>high_watermark</td><td>The current high water mark.</td></tr>
<tr>
<td>last_stable_offset</td><td>The last stable offset (or LSO) of the partition. This is the last offset such that the state of all transactional records prior to this offset have been decided (ABORTED or COMMITTED)</td></tr>
<tr>
<td>log_start_offset</td><td>The current log start offset.</td></tr>
<tr>
<td>aborted_transactions</td><td>The aborted transactions.</td></tr>
<tr>
<td>producer_id</td><td>The producer id associated with the aborted transaction.</td></tr>
<tr>
<td>first_offset</td><td>The first offset in the aborted transaction.</td></tr>
<tr>
<td>record_set</td><td>The record data.</td></tr>
</table>
</p>
<p><pre>Fetch Response (Version: 10) => throttle_time_ms error_code session_id [responses] 
  throttle_time_ms => INT32
  error_code => INT16
  session_id => INT32
  responses => topic [partition_responses] 
    topic => STRING
    partition_responses => partition error_code high_watermark last_stable_offset log_start_offset [aborted_transactions] record_set 
      partition => INT32
      error_code => INT16
      high_watermark => INT64
      last_stable_offset => INT64
      log_start_offset => INT64
      aborted_transactions => producer_id first_offset 
        producer_id => INT64
        first_offset => INT64
      record_set => RECORDS
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>error_code</td><td>The top level response error code.</td></tr>
<tr>
<td>session_id</td><td>The fetch session ID, or 0 if this is not part of a fetch session.</td></tr>
<tr>
<td>responses</td><td>The response topics.</td></tr>
<tr>
<td>topic</td><td>The topic name.</td></tr>
<tr>
<td>partition_responses</td><td>The topic partitions.</td></tr>
<tr>
<td>partition</td><td>The partition index.</td></tr>
<tr>
<td>error_code</td><td>The error code, or 0 if there was no fetch error.</td></tr>
<tr>
<td>high_watermark</td><td>The current high water mark.</td></tr>
<tr>
<td>last_stable_offset</td><td>The last stable offset (or LSO) of the partition. This is the last offset such that the state of all transactional records prior to this offset have been decided (ABORTED or COMMITTED)</td></tr>
<tr>
<td>log_start_offset</td><td>The current log start offset.</td></tr>
<tr>
<td>aborted_transactions</td><td>The aborted transactions.</td></tr>
<tr>
<td>producer_id</td><td>The producer id associated with the aborted transaction.</td></tr>
<tr>
<td>first_offset</td><td>The first offset in the aborted transaction.</td></tr>
<tr>
<td>record_set</td><td>The record data.</td></tr>
</table>
</p>
<p><pre>Fetch Response (Version: 11) => throttle_time_ms error_code session_id [responses] 
  throttle_time_ms => INT32
  error_code => INT16
  session_id => INT32
  responses => topic [partition_responses] 
    topic => STRING
    partition_responses => partition error_code high_watermark last_stable_offset log_start_offset [aborted_transactions] preferred_read_replica record_set 
      partition => INT32
      error_code => INT16
      high_watermark => INT64
      last_stable_offset => INT64
      log_start_offset => INT64
      aborted_transactions => producer_id first_offset 
        producer_id => INT64
        first_offset => INT64
      preferred_read_replica => INT32
      record_set => RECORDS
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>error_code</td><td>The top level response error code.</td></tr>
<tr>
<td>session_id</td><td>The fetch session ID, or 0 if this is not part of a fetch session.</td></tr>
<tr>
<td>responses</td><td>The response topics.</td></tr>
<tr>
<td>topic</td><td>The topic name.</td></tr>
<tr>
<td>partition_responses</td><td>The topic partitions.</td></tr>
<tr>
<td>partition</td><td>The partition index.</td></tr>
<tr>
<td>error_code</td><td>The error code, or 0 if there was no fetch error.</td></tr>
<tr>
<td>high_watermark</td><td>The current high water mark.</td></tr>
<tr>
<td>last_stable_offset</td><td>The last stable offset (or LSO) of the partition. This is the last offset such that the state of all transactional records prior to this offset have been decided (ABORTED or COMMITTED)</td></tr>
<tr>
<td>log_start_offset</td><td>The current log start offset.</td></tr>
<tr>
<td>aborted_transactions</td><td>The aborted transactions.</td></tr>
<tr>
<td>producer_id</td><td>The producer id associated with the aborted transaction.</td></tr>
<tr>
<td>first_offset</td><td>The first offset in the aborted transaction.</td></tr>
<tr>
<td>preferred_read_replica</td><td>The preferred read replica for the consumer to use on its next fetch request</td></tr>
<tr>
<td>record_set</td><td>The record data.</td></tr>
</table>
</p>
<p><pre>Fetch Response (Version: 12) => throttle_time_ms error_code session_id [responses] TAG_BUFFER 
  throttle_time_ms => INT32
  error_code => INT16
  session_id => INT32
  responses => topic [partition_responses] TAG_BUFFER 
    topic => COMPACT_STRING
    partition_responses => partition error_code high_watermark last_stable_offset log_start_offset [aborted_transactions] preferred_read_replica record_set TAG_BUFFER 
      partition => INT32
      error_code => INT16
      high_watermark => INT64
      last_stable_offset => INT64
      log_start_offset => INT64
      aborted_transactions => producer_id first_offset TAG_BUFFER 
        producer_id => INT64
        first_offset => INT64
      preferred_read_replica => INT32
      record_set => COMPACT_RECORDS
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>error_code</td><td>The top level response error code.</td></tr>
<tr>
<td>session_id</td><td>The fetch session ID, or 0 if this is not part of a fetch session.</td></tr>
<tr>
<td>responses</td><td>The response topics.</td></tr>
<tr>
<td>topic</td><td>The topic name.</td></tr>
<tr>
<td>partition_responses</td><td>The topic partitions.</td></tr>
<tr>
<td>partition</td><td>The partition index.</td></tr>
<tr>
<td>error_code</td><td>The error code, or 0 if there was no fetch error.</td></tr>
<tr>
<td>high_watermark</td><td>The current high water mark.</td></tr>
<tr>
<td>last_stable_offset</td><td>The last stable offset (or LSO) of the partition. This is the last offset such that the state of all transactional records prior to this offset have been decided (ABORTED or COMMITTED)</td></tr>
<tr>
<td>log_start_offset</td><td>The current log start offset.</td></tr>
<tr>
<td>aborted_transactions</td><td>The aborted transactions.</td></tr>
<tr>
<td>producer_id</td><td>The producer id associated with the aborted transaction.</td></tr>
<tr>
<td>first_offset</td><td>The first offset in the aborted transaction.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>preferred_read_replica</td><td>The preferred read replica for the consumer to use on its next fetch request</td></tr>
<tr>
<td>record_set</td><td>The record data.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<h5><a name="The_Messages_ListOffsets">ListOffsets API (Key: 2):</a></h5>

<b>Requests:</b><br>
<p><pre>ListOffsets Request (Version: 0) => replica_id [topics] 
  replica_id => INT32
  topics => name [partitions] 
    name => STRING
    partitions => partition_index timestamp max_num_offsets 
      partition_index => INT32
      timestamp => INT64
      max_num_offsets => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>replica_id</td><td>The broker ID of the requestor, or -1 if this request is being made by a normal consumer.</td></tr>
<tr>
<td>topics</td><td>Each topic in the request.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>partitions</td><td>Each partition in the request.</td></tr>
<tr>
<td>partition_index</td><td>The partition index.</td></tr>
<tr>
<td>timestamp</td><td>The current timestamp.</td></tr>
<tr>
<td>max_num_offsets</td><td>The maximum number of offsets to report.</td></tr>
</table>
</p>
<p><pre>ListOffsets Request (Version: 1) => replica_id [topics] 
  replica_id => INT32
  topics => name [partitions] 
    name => STRING
    partitions => partition_index timestamp 
      partition_index => INT32
      timestamp => INT64
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>replica_id</td><td>The broker ID of the requestor, or -1 if this request is being made by a normal consumer.</td></tr>
<tr>
<td>topics</td><td>Each topic in the request.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>partitions</td><td>Each partition in the request.</td></tr>
<tr>
<td>partition_index</td><td>The partition index.</td></tr>
<tr>
<td>timestamp</td><td>The current timestamp.</td></tr>
</table>
</p>
<p><pre>ListOffsets Request (Version: 2) => replica_id isolation_level [topics] 
  replica_id => INT32
  isolation_level => INT8
  topics => name [partitions] 
    name => STRING
    partitions => partition_index timestamp 
      partition_index => INT32
      timestamp => INT64
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>replica_id</td><td>The broker ID of the requestor, or -1 if this request is being made by a normal consumer.</td></tr>
<tr>
<td>isolation_level</td><td>This setting controls the visibility of transactional records. Using READ_UNCOMMITTED (isolation_level = 0) makes all records visible. With READ_COMMITTED (isolation_level = 1), non-transactional and COMMITTED transactional records are visible. To be more concrete, READ_COMMITTED returns all data from offsets smaller than the current LSO (last stable offset), and enables the inclusion of the list of aborted transactions in the result, which allows consumers to discard ABORTED transactional records</td></tr>
<tr>
<td>topics</td><td>Each topic in the request.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>partitions</td><td>Each partition in the request.</td></tr>
<tr>
<td>partition_index</td><td>The partition index.</td></tr>
<tr>
<td>timestamp</td><td>The current timestamp.</td></tr>
</table>
</p>
<p><pre>ListOffsets Request (Version: 3) => replica_id isolation_level [topics] 
  replica_id => INT32
  isolation_level => INT8
  topics => name [partitions] 
    name => STRING
    partitions => partition_index timestamp 
      partition_index => INT32
      timestamp => INT64
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>replica_id</td><td>The broker ID of the requestor, or -1 if this request is being made by a normal consumer.</td></tr>
<tr>
<td>isolation_level</td><td>This setting controls the visibility of transactional records. Using READ_UNCOMMITTED (isolation_level = 0) makes all records visible. With READ_COMMITTED (isolation_level = 1), non-transactional and COMMITTED transactional records are visible. To be more concrete, READ_COMMITTED returns all data from offsets smaller than the current LSO (last stable offset), and enables the inclusion of the list of aborted transactions in the result, which allows consumers to discard ABORTED transactional records</td></tr>
<tr>
<td>topics</td><td>Each topic in the request.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>partitions</td><td>Each partition in the request.</td></tr>
<tr>
<td>partition_index</td><td>The partition index.</td></tr>
<tr>
<td>timestamp</td><td>The current timestamp.</td></tr>
</table>
</p>
<p><pre>ListOffsets Request (Version: 4) => replica_id isolation_level [topics] 
  replica_id => INT32
  isolation_level => INT8
  topics => name [partitions] 
    name => STRING
    partitions => partition_index current_leader_epoch timestamp 
      partition_index => INT32
      current_leader_epoch => INT32
      timestamp => INT64
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>replica_id</td><td>The broker ID of the requestor, or -1 if this request is being made by a normal consumer.</td></tr>
<tr>
<td>isolation_level</td><td>This setting controls the visibility of transactional records. Using READ_UNCOMMITTED (isolation_level = 0) makes all records visible. With READ_COMMITTED (isolation_level = 1), non-transactional and COMMITTED transactional records are visible. To be more concrete, READ_COMMITTED returns all data from offsets smaller than the current LSO (last stable offset), and enables the inclusion of the list of aborted transactions in the result, which allows consumers to discard ABORTED transactional records</td></tr>
<tr>
<td>topics</td><td>Each topic in the request.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>partitions</td><td>Each partition in the request.</td></tr>
<tr>
<td>partition_index</td><td>The partition index.</td></tr>
<tr>
<td>current_leader_epoch</td><td>The current leader epoch.</td></tr>
<tr>
<td>timestamp</td><td>The current timestamp.</td></tr>
</table>
</p>
<p><pre>ListOffsets Request (Version: 5) => replica_id isolation_level [topics] 
  replica_id => INT32
  isolation_level => INT8
  topics => name [partitions] 
    name => STRING
    partitions => partition_index current_leader_epoch timestamp 
      partition_index => INT32
      current_leader_epoch => INT32
      timestamp => INT64
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>replica_id</td><td>The broker ID of the requestor, or -1 if this request is being made by a normal consumer.</td></tr>
<tr>
<td>isolation_level</td><td>This setting controls the visibility of transactional records. Using READ_UNCOMMITTED (isolation_level = 0) makes all records visible. With READ_COMMITTED (isolation_level = 1), non-transactional and COMMITTED transactional records are visible. To be more concrete, READ_COMMITTED returns all data from offsets smaller than the current LSO (last stable offset), and enables the inclusion of the list of aborted transactions in the result, which allows consumers to discard ABORTED transactional records</td></tr>
<tr>
<td>topics</td><td>Each topic in the request.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>partitions</td><td>Each partition in the request.</td></tr>
<tr>
<td>partition_index</td><td>The partition index.</td></tr>
<tr>
<td>current_leader_epoch</td><td>The current leader epoch.</td></tr>
<tr>
<td>timestamp</td><td>The current timestamp.</td></tr>
</table>
</p>
<p><pre>ListOffsets Request (Version: 6) => replica_id isolation_level [topics] TAG_BUFFER 
  replica_id => INT32
  isolation_level => INT8
  topics => name [partitions] TAG_BUFFER 
    name => COMPACT_STRING
    partitions => partition_index current_leader_epoch timestamp TAG_BUFFER 
      partition_index => INT32
      current_leader_epoch => INT32
      timestamp => INT64
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>replica_id</td><td>The broker ID of the requestor, or -1 if this request is being made by a normal consumer.</td></tr>
<tr>
<td>isolation_level</td><td>This setting controls the visibility of transactional records. Using READ_UNCOMMITTED (isolation_level = 0) makes all records visible. With READ_COMMITTED (isolation_level = 1), non-transactional and COMMITTED transactional records are visible. To be more concrete, READ_COMMITTED returns all data from offsets smaller than the current LSO (last stable offset), and enables the inclusion of the list of aborted transactions in the result, which allows consumers to discard ABORTED transactional records</td></tr>
<tr>
<td>topics</td><td>Each topic in the request.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>partitions</td><td>Each partition in the request.</td></tr>
<tr>
<td>partition_index</td><td>The partition index.</td></tr>
<tr>
<td>current_leader_epoch</td><td>The current leader epoch.</td></tr>
<tr>
<td>timestamp</td><td>The current timestamp.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<b>Responses:</b><br>
<p><pre>ListOffsets Response (Version: 0) => [topics] 
  topics => name [partitions] 
    name => STRING
    partitions => partition_index error_code [old_style_offsets] 
      partition_index => INT32
      error_code => INT16
      old_style_offsets => INT64
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>topics</td><td>Each topic in the response.</td></tr>
<tr>
<td>name</td><td>The topic name</td></tr>
<tr>
<td>partitions</td><td>Each partition in the response.</td></tr>
<tr>
<td>partition_index</td><td>The partition index.</td></tr>
<tr>
<td>error_code</td><td>The partition error code, or 0 if there was no error.</td></tr>
<tr>
<td>old_style_offsets</td><td>The result offsets.</td></tr>
</table>
</p>
<p><pre>ListOffsets Response (Version: 1) => [topics] 
  topics => name [partitions] 
    name => STRING
    partitions => partition_index error_code timestamp offset 
      partition_index => INT32
      error_code => INT16
      timestamp => INT64
      offset => INT64
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>topics</td><td>Each topic in the response.</td></tr>
<tr>
<td>name</td><td>The topic name</td></tr>
<tr>
<td>partitions</td><td>Each partition in the response.</td></tr>
<tr>
<td>partition_index</td><td>The partition index.</td></tr>
<tr>
<td>error_code</td><td>The partition error code, or 0 if there was no error.</td></tr>
<tr>
<td>timestamp</td><td>The timestamp associated with the returned offset.</td></tr>
<tr>
<td>offset</td><td>The returned offset.</td></tr>
</table>
</p>
<p><pre>ListOffsets Response (Version: 2) => throttle_time_ms [topics] 
  throttle_time_ms => INT32
  topics => name [partitions] 
    name => STRING
    partitions => partition_index error_code timestamp offset 
      partition_index => INT32
      error_code => INT16
      timestamp => INT64
      offset => INT64
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>topics</td><td>Each topic in the response.</td></tr>
<tr>
<td>name</td><td>The topic name</td></tr>
<tr>
<td>partitions</td><td>Each partition in the response.</td></tr>
<tr>
<td>partition_index</td><td>The partition index.</td></tr>
<tr>
<td>error_code</td><td>The partition error code, or 0 if there was no error.</td></tr>
<tr>
<td>timestamp</td><td>The timestamp associated with the returned offset.</td></tr>
<tr>
<td>offset</td><td>The returned offset.</td></tr>
</table>
</p>
<p><pre>ListOffsets Response (Version: 3) => throttle_time_ms [topics] 
  throttle_time_ms => INT32
  topics => name [partitions] 
    name => STRING
    partitions => partition_index error_code timestamp offset 
      partition_index => INT32
      error_code => INT16
      timestamp => INT64
      offset => INT64
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>topics</td><td>Each topic in the response.</td></tr>
<tr>
<td>name</td><td>The topic name</td></tr>
<tr>
<td>partitions</td><td>Each partition in the response.</td></tr>
<tr>
<td>partition_index</td><td>The partition index.</td></tr>
<tr>
<td>error_code</td><td>The partition error code, or 0 if there was no error.</td></tr>
<tr>
<td>timestamp</td><td>The timestamp associated with the returned offset.</td></tr>
<tr>
<td>offset</td><td>The returned offset.</td></tr>
</table>
</p>
<p><pre>ListOffsets Response (Version: 4) => throttle_time_ms [topics] 
  throttle_time_ms => INT32
  topics => name [partitions] 
    name => STRING
    partitions => partition_index error_code timestamp offset leader_epoch 
      partition_index => INT32
      error_code => INT16
      timestamp => INT64
      offset => INT64
      leader_epoch => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>topics</td><td>Each topic in the response.</td></tr>
<tr>
<td>name</td><td>The topic name</td></tr>
<tr>
<td>partitions</td><td>Each partition in the response.</td></tr>
<tr>
<td>partition_index</td><td>The partition index.</td></tr>
<tr>
<td>error_code</td><td>The partition error code, or 0 if there was no error.</td></tr>
<tr>
<td>timestamp</td><td>The timestamp associated with the returned offset.</td></tr>
<tr>
<td>offset</td><td>The returned offset.</td></tr>
<tr>
<td>leader_epoch</td><td></td></tr>
</table>
</p>
<p><pre>ListOffsets Response (Version: 5) => throttle_time_ms [topics] 
  throttle_time_ms => INT32
  topics => name [partitions] 
    name => STRING
    partitions => partition_index error_code timestamp offset leader_epoch 
      partition_index => INT32
      error_code => INT16
      timestamp => INT64
      offset => INT64
      leader_epoch => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>topics</td><td>Each topic in the response.</td></tr>
<tr>
<td>name</td><td>The topic name</td></tr>
<tr>
<td>partitions</td><td>Each partition in the response.</td></tr>
<tr>
<td>partition_index</td><td>The partition index.</td></tr>
<tr>
<td>error_code</td><td>The partition error code, or 0 if there was no error.</td></tr>
<tr>
<td>timestamp</td><td>The timestamp associated with the returned offset.</td></tr>
<tr>
<td>offset</td><td>The returned offset.</td></tr>
<tr>
<td>leader_epoch</td><td></td></tr>
</table>
</p>
<p><pre>ListOffsets Response (Version: 6) => throttle_time_ms [topics] TAG_BUFFER 
  throttle_time_ms => INT32
  topics => name [partitions] TAG_BUFFER 
    name => COMPACT_STRING
    partitions => partition_index error_code timestamp offset leader_epoch TAG_BUFFER 
      partition_index => INT32
      error_code => INT16
      timestamp => INT64
      offset => INT64
      leader_epoch => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>topics</td><td>Each topic in the response.</td></tr>
<tr>
<td>name</td><td>The topic name</td></tr>
<tr>
<td>partitions</td><td>Each partition in the response.</td></tr>
<tr>
<td>partition_index</td><td>The partition index.</td></tr>
<tr>
<td>error_code</td><td>The partition error code, or 0 if there was no error.</td></tr>
<tr>
<td>timestamp</td><td>The timestamp associated with the returned offset.</td></tr>
<tr>
<td>offset</td><td>The returned offset.</td></tr>
<tr>
<td>leader_epoch</td><td></td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<h5><a name="The_Messages_Metadata">Metadata API (Key: 3):</a></h5>

<b>Requests:</b><br>
<p><pre>Metadata Request (Version: 0) => [topics] 
  topics => name 
    name => STRING
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>topics</td><td>The topics to fetch metadata for.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
</table>
</p>
<p><pre>Metadata Request (Version: 1) => [topics] 
  topics => name 
    name => STRING
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>topics</td><td>The topics to fetch metadata for.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
</table>
</p>
<p><pre>Metadata Request (Version: 2) => [topics] 
  topics => name 
    name => STRING
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>topics</td><td>The topics to fetch metadata for.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
</table>
</p>
<p><pre>Metadata Request (Version: 3) => [topics] 
  topics => name 
    name => STRING
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>topics</td><td>The topics to fetch metadata for.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
</table>
</p>
<p><pre>Metadata Request (Version: 4) => [topics] allow_auto_topic_creation 
  topics => name 
    name => STRING
  allow_auto_topic_creation => BOOLEAN
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>topics</td><td>The topics to fetch metadata for.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>allow_auto_topic_creation</td><td>If this is true, the broker may auto-create topics that we requested which do not already exist, if it is configured to do so.</td></tr>
</table>
</p>
<p><pre>Metadata Request (Version: 5) => [topics] allow_auto_topic_creation 
  topics => name 
    name => STRING
  allow_auto_topic_creation => BOOLEAN
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>topics</td><td>The topics to fetch metadata for.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>allow_auto_topic_creation</td><td>If this is true, the broker may auto-create topics that we requested which do not already exist, if it is configured to do so.</td></tr>
</table>
</p>
<p><pre>Metadata Request (Version: 6) => [topics] allow_auto_topic_creation 
  topics => name 
    name => STRING
  allow_auto_topic_creation => BOOLEAN
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>topics</td><td>The topics to fetch metadata for.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>allow_auto_topic_creation</td><td>If this is true, the broker may auto-create topics that we requested which do not already exist, if it is configured to do so.</td></tr>
</table>
</p>
<p><pre>Metadata Request (Version: 7) => [topics] allow_auto_topic_creation 
  topics => name 
    name => STRING
  allow_auto_topic_creation => BOOLEAN
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>topics</td><td>The topics to fetch metadata for.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>allow_auto_topic_creation</td><td>If this is true, the broker may auto-create topics that we requested which do not already exist, if it is configured to do so.</td></tr>
</table>
</p>
<p><pre>Metadata Request (Version: 8) => [topics] allow_auto_topic_creation include_cluster_authorized_operations include_topic_authorized_operations 
  topics => name 
    name => STRING
  allow_auto_topic_creation => BOOLEAN
  include_cluster_authorized_operations => BOOLEAN
  include_topic_authorized_operations => BOOLEAN
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>topics</td><td>The topics to fetch metadata for.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>allow_auto_topic_creation</td><td>If this is true, the broker may auto-create topics that we requested which do not already exist, if it is configured to do so.</td></tr>
<tr>
<td>include_cluster_authorized_operations</td><td>Whether to include cluster authorized operations.</td></tr>
<tr>
<td>include_topic_authorized_operations</td><td>Whether to include topic authorized operations.</td></tr>
</table>
</p>
<p><pre>Metadata Request (Version: 9) => [topics] allow_auto_topic_creation include_cluster_authorized_operations include_topic_authorized_operations TAG_BUFFER 
  topics => name TAG_BUFFER 
    name => COMPACT_STRING
  allow_auto_topic_creation => BOOLEAN
  include_cluster_authorized_operations => BOOLEAN
  include_topic_authorized_operations => BOOLEAN
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>topics</td><td>The topics to fetch metadata for.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>allow_auto_topic_creation</td><td>If this is true, the broker may auto-create topics that we requested which do not already exist, if it is configured to do so.</td></tr>
<tr>
<td>include_cluster_authorized_operations</td><td>Whether to include cluster authorized operations.</td></tr>
<tr>
<td>include_topic_authorized_operations</td><td>Whether to include topic authorized operations.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<p><pre>Metadata Request (Version: 10) => [topics] allow_auto_topic_creation include_cluster_authorized_operations include_topic_authorized_operations TAG_BUFFER 
  topics => topic_id name TAG_BUFFER 
    topic_id => UUID
    name => COMPACT_NULLABLE_STRING
  allow_auto_topic_creation => BOOLEAN
  include_cluster_authorized_operations => BOOLEAN
  include_topic_authorized_operations => BOOLEAN
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>topics</td><td>The topics to fetch metadata for.</td></tr>
<tr>
<td>topic_id</td><td>The topic id.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>allow_auto_topic_creation</td><td>If this is true, the broker may auto-create topics that we requested which do not already exist, if it is configured to do so.</td></tr>
<tr>
<td>include_cluster_authorized_operations</td><td>Whether to include cluster authorized operations.</td></tr>
<tr>
<td>include_topic_authorized_operations</td><td>Whether to include topic authorized operations.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<p><pre>Metadata Request (Version: 11) => [topics] allow_auto_topic_creation include_topic_authorized_operations TAG_BUFFER 
  topics => topic_id name TAG_BUFFER 
    topic_id => UUID
    name => COMPACT_NULLABLE_STRING
  allow_auto_topic_creation => BOOLEAN
  include_topic_authorized_operations => BOOLEAN
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>topics</td><td>The topics to fetch metadata for.</td></tr>
<tr>
<td>topic_id</td><td>The topic id.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>allow_auto_topic_creation</td><td>If this is true, the broker may auto-create topics that we requested which do not already exist, if it is configured to do so.</td></tr>
<tr>
<td>include_topic_authorized_operations</td><td>Whether to include topic authorized operations.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<b>Responses:</b><br>
<p><pre>Metadata Response (Version: 0) => [brokers] [topics] 
  brokers => node_id host port 
    node_id => INT32
    host => STRING
    port => INT32
  topics => error_code name [partitions] 
    error_code => INT16
    name => STRING
    partitions => error_code partition_index leader_id [replica_nodes] [isr_nodes] 
      error_code => INT16
      partition_index => INT32
      leader_id => INT32
      replica_nodes => INT32
      isr_nodes => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>brokers</td><td>Each broker in the response.</td></tr>
<tr>
<td>node_id</td><td>The broker ID.</td></tr>
<tr>
<td>host</td><td>The broker hostname.</td></tr>
<tr>
<td>port</td><td>The broker port.</td></tr>
<tr>
<td>topics</td><td>Each topic in the response.</td></tr>
<tr>
<td>error_code</td><td>The topic error, or 0 if there was no error.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>partitions</td><td>Each partition in the topic.</td></tr>
<tr>
<td>error_code</td><td>The partition error, or 0 if there was no error.</td></tr>
<tr>
<td>partition_index</td><td>The partition index.</td></tr>
<tr>
<td>leader_id</td><td>The ID of the leader broker.</td></tr>
<tr>
<td>replica_nodes</td><td>The set of all nodes that host this partition.</td></tr>
<tr>
<td>isr_nodes</td><td>The set of nodes that are in sync with the leader for this partition.</td></tr>
</table>
</p>
<p><pre>Metadata Response (Version: 1) => [brokers] controller_id [topics] 
  brokers => node_id host port rack 
    node_id => INT32
    host => STRING
    port => INT32
    rack => NULLABLE_STRING
  controller_id => INT32
  topics => error_code name is_internal [partitions] 
    error_code => INT16
    name => STRING
    is_internal => BOOLEAN
    partitions => error_code partition_index leader_id [replica_nodes] [isr_nodes] 
      error_code => INT16
      partition_index => INT32
      leader_id => INT32
      replica_nodes => INT32
      isr_nodes => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>brokers</td><td>Each broker in the response.</td></tr>
<tr>
<td>node_id</td><td>The broker ID.</td></tr>
<tr>
<td>host</td><td>The broker hostname.</td></tr>
<tr>
<td>port</td><td>The broker port.</td></tr>
<tr>
<td>rack</td><td>The rack of the broker, or null if it has not been assigned to a rack.</td></tr>
<tr>
<td>controller_id</td><td>The ID of the controller broker.</td></tr>
<tr>
<td>topics</td><td>Each topic in the response.</td></tr>
<tr>
<td>error_code</td><td>The topic error, or 0 if there was no error.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>is_internal</td><td>True if the topic is internal.</td></tr>
<tr>
<td>partitions</td><td>Each partition in the topic.</td></tr>
<tr>
<td>error_code</td><td>The partition error, or 0 if there was no error.</td></tr>
<tr>
<td>partition_index</td><td>The partition index.</td></tr>
<tr>
<td>leader_id</td><td>The ID of the leader broker.</td></tr>
<tr>
<td>replica_nodes</td><td>The set of all nodes that host this partition.</td></tr>
<tr>
<td>isr_nodes</td><td>The set of nodes that are in sync with the leader for this partition.</td></tr>
</table>
</p>
<p><pre>Metadata Response (Version: 2) => [brokers] cluster_id controller_id [topics] 
  brokers => node_id host port rack 
    node_id => INT32
    host => STRING
    port => INT32
    rack => NULLABLE_STRING
  cluster_id => NULLABLE_STRING
  controller_id => INT32
  topics => error_code name is_internal [partitions] 
    error_code => INT16
    name => STRING
    is_internal => BOOLEAN
    partitions => error_code partition_index leader_id [replica_nodes] [isr_nodes] 
      error_code => INT16
      partition_index => INT32
      leader_id => INT32
      replica_nodes => INT32
      isr_nodes => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>brokers</td><td>Each broker in the response.</td></tr>
<tr>
<td>node_id</td><td>The broker ID.</td></tr>
<tr>
<td>host</td><td>The broker hostname.</td></tr>
<tr>
<td>port</td><td>The broker port.</td></tr>
<tr>
<td>rack</td><td>The rack of the broker, or null if it has not been assigned to a rack.</td></tr>
<tr>
<td>cluster_id</td><td>The cluster ID that responding broker belongs to.</td></tr>
<tr>
<td>controller_id</td><td>The ID of the controller broker.</td></tr>
<tr>
<td>topics</td><td>Each topic in the response.</td></tr>
<tr>
<td>error_code</td><td>The topic error, or 0 if there was no error.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>is_internal</td><td>True if the topic is internal.</td></tr>
<tr>
<td>partitions</td><td>Each partition in the topic.</td></tr>
<tr>
<td>error_code</td><td>The partition error, or 0 if there was no error.</td></tr>
<tr>
<td>partition_index</td><td>The partition index.</td></tr>
<tr>
<td>leader_id</td><td>The ID of the leader broker.</td></tr>
<tr>
<td>replica_nodes</td><td>The set of all nodes that host this partition.</td></tr>
<tr>
<td>isr_nodes</td><td>The set of nodes that are in sync with the leader for this partition.</td></tr>
</table>
</p>
<p><pre>Metadata Response (Version: 3) => throttle_time_ms [brokers] cluster_id controller_id [topics] 
  throttle_time_ms => INT32
  brokers => node_id host port rack 
    node_id => INT32
    host => STRING
    port => INT32
    rack => NULLABLE_STRING
  cluster_id => NULLABLE_STRING
  controller_id => INT32
  topics => error_code name is_internal [partitions] 
    error_code => INT16
    name => STRING
    is_internal => BOOLEAN
    partitions => error_code partition_index leader_id [replica_nodes] [isr_nodes] 
      error_code => INT16
      partition_index => INT32
      leader_id => INT32
      replica_nodes => INT32
      isr_nodes => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>brokers</td><td>Each broker in the response.</td></tr>
<tr>
<td>node_id</td><td>The broker ID.</td></tr>
<tr>
<td>host</td><td>The broker hostname.</td></tr>
<tr>
<td>port</td><td>The broker port.</td></tr>
<tr>
<td>rack</td><td>The rack of the broker, or null if it has not been assigned to a rack.</td></tr>
<tr>
<td>cluster_id</td><td>The cluster ID that responding broker belongs to.</td></tr>
<tr>
<td>controller_id</td><td>The ID of the controller broker.</td></tr>
<tr>
<td>topics</td><td>Each topic in the response.</td></tr>
<tr>
<td>error_code</td><td>The topic error, or 0 if there was no error.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>is_internal</td><td>True if the topic is internal.</td></tr>
<tr>
<td>partitions</td><td>Each partition in the topic.</td></tr>
<tr>
<td>error_code</td><td>The partition error, or 0 if there was no error.</td></tr>
<tr>
<td>partition_index</td><td>The partition index.</td></tr>
<tr>
<td>leader_id</td><td>The ID of the leader broker.</td></tr>
<tr>
<td>replica_nodes</td><td>The set of all nodes that host this partition.</td></tr>
<tr>
<td>isr_nodes</td><td>The set of nodes that are in sync with the leader for this partition.</td></tr>
</table>
</p>
<p><pre>Metadata Response (Version: 4) => throttle_time_ms [brokers] cluster_id controller_id [topics] 
  throttle_time_ms => INT32
  brokers => node_id host port rack 
    node_id => INT32
    host => STRING
    port => INT32
    rack => NULLABLE_STRING
  cluster_id => NULLABLE_STRING
  controller_id => INT32
  topics => error_code name is_internal [partitions] 
    error_code => INT16
    name => STRING
    is_internal => BOOLEAN
    partitions => error_code partition_index leader_id [replica_nodes] [isr_nodes] 
      error_code => INT16
      partition_index => INT32
      leader_id => INT32
      replica_nodes => INT32
      isr_nodes => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>brokers</td><td>Each broker in the response.</td></tr>
<tr>
<td>node_id</td><td>The broker ID.</td></tr>
<tr>
<td>host</td><td>The broker hostname.</td></tr>
<tr>
<td>port</td><td>The broker port.</td></tr>
<tr>
<td>rack</td><td>The rack of the broker, or null if it has not been assigned to a rack.</td></tr>
<tr>
<td>cluster_id</td><td>The cluster ID that responding broker belongs to.</td></tr>
<tr>
<td>controller_id</td><td>The ID of the controller broker.</td></tr>
<tr>
<td>topics</td><td>Each topic in the response.</td></tr>
<tr>
<td>error_code</td><td>The topic error, or 0 if there was no error.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>is_internal</td><td>True if the topic is internal.</td></tr>
<tr>
<td>partitions</td><td>Each partition in the topic.</td></tr>
<tr>
<td>error_code</td><td>The partition error, or 0 if there was no error.</td></tr>
<tr>
<td>partition_index</td><td>The partition index.</td></tr>
<tr>
<td>leader_id</td><td>The ID of the leader broker.</td></tr>
<tr>
<td>replica_nodes</td><td>The set of all nodes that host this partition.</td></tr>
<tr>
<td>isr_nodes</td><td>The set of nodes that are in sync with the leader for this partition.</td></tr>
</table>
</p>
<p><pre>Metadata Response (Version: 5) => throttle_time_ms [brokers] cluster_id controller_id [topics] 
  throttle_time_ms => INT32
  brokers => node_id host port rack 
    node_id => INT32
    host => STRING
    port => INT32
    rack => NULLABLE_STRING
  cluster_id => NULLABLE_STRING
  controller_id => INT32
  topics => error_code name is_internal [partitions] 
    error_code => INT16
    name => STRING
    is_internal => BOOLEAN
    partitions => error_code partition_index leader_id [replica_nodes] [isr_nodes] [offline_replicas] 
      error_code => INT16
      partition_index => INT32
      leader_id => INT32
      replica_nodes => INT32
      isr_nodes => INT32
      offline_replicas => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>brokers</td><td>Each broker in the response.</td></tr>
<tr>
<td>node_id</td><td>The broker ID.</td></tr>
<tr>
<td>host</td><td>The broker hostname.</td></tr>
<tr>
<td>port</td><td>The broker port.</td></tr>
<tr>
<td>rack</td><td>The rack of the broker, or null if it has not been assigned to a rack.</td></tr>
<tr>
<td>cluster_id</td><td>The cluster ID that responding broker belongs to.</td></tr>
<tr>
<td>controller_id</td><td>The ID of the controller broker.</td></tr>
<tr>
<td>topics</td><td>Each topic in the response.</td></tr>
<tr>
<td>error_code</td><td>The topic error, or 0 if there was no error.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>is_internal</td><td>True if the topic is internal.</td></tr>
<tr>
<td>partitions</td><td>Each partition in the topic.</td></tr>
<tr>
<td>error_code</td><td>The partition error, or 0 if there was no error.</td></tr>
<tr>
<td>partition_index</td><td>The partition index.</td></tr>
<tr>
<td>leader_id</td><td>The ID of the leader broker.</td></tr>
<tr>
<td>replica_nodes</td><td>The set of all nodes that host this partition.</td></tr>
<tr>
<td>isr_nodes</td><td>The set of nodes that are in sync with the leader for this partition.</td></tr>
<tr>
<td>offline_replicas</td><td>The set of offline replicas of this partition.</td></tr>
</table>
</p>
<p><pre>Metadata Response (Version: 6) => throttle_time_ms [brokers] cluster_id controller_id [topics] 
  throttle_time_ms => INT32
  brokers => node_id host port rack 
    node_id => INT32
    host => STRING
    port => INT32
    rack => NULLABLE_STRING
  cluster_id => NULLABLE_STRING
  controller_id => INT32
  topics => error_code name is_internal [partitions] 
    error_code => INT16
    name => STRING
    is_internal => BOOLEAN
    partitions => error_code partition_index leader_id [replica_nodes] [isr_nodes] [offline_replicas] 
      error_code => INT16
      partition_index => INT32
      leader_id => INT32
      replica_nodes => INT32
      isr_nodes => INT32
      offline_replicas => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>brokers</td><td>Each broker in the response.</td></tr>
<tr>
<td>node_id</td><td>The broker ID.</td></tr>
<tr>
<td>host</td><td>The broker hostname.</td></tr>
<tr>
<td>port</td><td>The broker port.</td></tr>
<tr>
<td>rack</td><td>The rack of the broker, or null if it has not been assigned to a rack.</td></tr>
<tr>
<td>cluster_id</td><td>The cluster ID that responding broker belongs to.</td></tr>
<tr>
<td>controller_id</td><td>The ID of the controller broker.</td></tr>
<tr>
<td>topics</td><td>Each topic in the response.</td></tr>
<tr>
<td>error_code</td><td>The topic error, or 0 if there was no error.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>is_internal</td><td>True if the topic is internal.</td></tr>
<tr>
<td>partitions</td><td>Each partition in the topic.</td></tr>
<tr>
<td>error_code</td><td>The partition error, or 0 if there was no error.</td></tr>
<tr>
<td>partition_index</td><td>The partition index.</td></tr>
<tr>
<td>leader_id</td><td>The ID of the leader broker.</td></tr>
<tr>
<td>replica_nodes</td><td>The set of all nodes that host this partition.</td></tr>
<tr>
<td>isr_nodes</td><td>The set of nodes that are in sync with the leader for this partition.</td></tr>
<tr>
<td>offline_replicas</td><td>The set of offline replicas of this partition.</td></tr>
</table>
</p>
<p><pre>Metadata Response (Version: 7) => throttle_time_ms [brokers] cluster_id controller_id [topics] 
  throttle_time_ms => INT32
  brokers => node_id host port rack 
    node_id => INT32
    host => STRING
    port => INT32
    rack => NULLABLE_STRING
  cluster_id => NULLABLE_STRING
  controller_id => INT32
  topics => error_code name is_internal [partitions] 
    error_code => INT16
    name => STRING
    is_internal => BOOLEAN
    partitions => error_code partition_index leader_id leader_epoch [replica_nodes] [isr_nodes] [offline_replicas] 
      error_code => INT16
      partition_index => INT32
      leader_id => INT32
      leader_epoch => INT32
      replica_nodes => INT32
      isr_nodes => INT32
      offline_replicas => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>brokers</td><td>Each broker in the response.</td></tr>
<tr>
<td>node_id</td><td>The broker ID.</td></tr>
<tr>
<td>host</td><td>The broker hostname.</td></tr>
<tr>
<td>port</td><td>The broker port.</td></tr>
<tr>
<td>rack</td><td>The rack of the broker, or null if it has not been assigned to a rack.</td></tr>
<tr>
<td>cluster_id</td><td>The cluster ID that responding broker belongs to.</td></tr>
<tr>
<td>controller_id</td><td>The ID of the controller broker.</td></tr>
<tr>
<td>topics</td><td>Each topic in the response.</td></tr>
<tr>
<td>error_code</td><td>The topic error, or 0 if there was no error.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>is_internal</td><td>True if the topic is internal.</td></tr>
<tr>
<td>partitions</td><td>Each partition in the topic.</td></tr>
<tr>
<td>error_code</td><td>The partition error, or 0 if there was no error.</td></tr>
<tr>
<td>partition_index</td><td>The partition index.</td></tr>
<tr>
<td>leader_id</td><td>The ID of the leader broker.</td></tr>
<tr>
<td>leader_epoch</td><td>The leader epoch of this partition.</td></tr>
<tr>
<td>replica_nodes</td><td>The set of all nodes that host this partition.</td></tr>
<tr>
<td>isr_nodes</td><td>The set of nodes that are in sync with the leader for this partition.</td></tr>
<tr>
<td>offline_replicas</td><td>The set of offline replicas of this partition.</td></tr>
</table>
</p>
<p><pre>Metadata Response (Version: 8) => throttle_time_ms [brokers] cluster_id controller_id [topics] cluster_authorized_operations 
  throttle_time_ms => INT32
  brokers => node_id host port rack 
    node_id => INT32
    host => STRING
    port => INT32
    rack => NULLABLE_STRING
  cluster_id => NULLABLE_STRING
  controller_id => INT32
  topics => error_code name is_internal [partitions] topic_authorized_operations 
    error_code => INT16
    name => STRING
    is_internal => BOOLEAN
    partitions => error_code partition_index leader_id leader_epoch [replica_nodes] [isr_nodes] [offline_replicas] 
      error_code => INT16
      partition_index => INT32
      leader_id => INT32
      leader_epoch => INT32
      replica_nodes => INT32
      isr_nodes => INT32
      offline_replicas => INT32
    topic_authorized_operations => INT32
  cluster_authorized_operations => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>brokers</td><td>Each broker in the response.</td></tr>
<tr>
<td>node_id</td><td>The broker ID.</td></tr>
<tr>
<td>host</td><td>The broker hostname.</td></tr>
<tr>
<td>port</td><td>The broker port.</td></tr>
<tr>
<td>rack</td><td>The rack of the broker, or null if it has not been assigned to a rack.</td></tr>
<tr>
<td>cluster_id</td><td>The cluster ID that responding broker belongs to.</td></tr>
<tr>
<td>controller_id</td><td>The ID of the controller broker.</td></tr>
<tr>
<td>topics</td><td>Each topic in the response.</td></tr>
<tr>
<td>error_code</td><td>The topic error, or 0 if there was no error.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>is_internal</td><td>True if the topic is internal.</td></tr>
<tr>
<td>partitions</td><td>Each partition in the topic.</td></tr>
<tr>
<td>error_code</td><td>The partition error, or 0 if there was no error.</td></tr>
<tr>
<td>partition_index</td><td>The partition index.</td></tr>
<tr>
<td>leader_id</td><td>The ID of the leader broker.</td></tr>
<tr>
<td>leader_epoch</td><td>The leader epoch of this partition.</td></tr>
<tr>
<td>replica_nodes</td><td>The set of all nodes that host this partition.</td></tr>
<tr>
<td>isr_nodes</td><td>The set of nodes that are in sync with the leader for this partition.</td></tr>
<tr>
<td>offline_replicas</td><td>The set of offline replicas of this partition.</td></tr>
<tr>
<td>topic_authorized_operations</td><td>32-bit bitfield to represent authorized operations for this topic.</td></tr>
<tr>
<td>cluster_authorized_operations</td><td>32-bit bitfield to represent authorized operations for this cluster.</td></tr>
</table>
</p>
<p><pre>Metadata Response (Version: 9) => throttle_time_ms [brokers] cluster_id controller_id [topics] cluster_authorized_operations TAG_BUFFER 
  throttle_time_ms => INT32
  brokers => node_id host port rack TAG_BUFFER 
    node_id => INT32
    host => COMPACT_STRING
    port => INT32
    rack => COMPACT_NULLABLE_STRING
  cluster_id => COMPACT_NULLABLE_STRING
  controller_id => INT32
  topics => error_code name is_internal [partitions] topic_authorized_operations TAG_BUFFER 
    error_code => INT16
    name => COMPACT_STRING
    is_internal => BOOLEAN
    partitions => error_code partition_index leader_id leader_epoch [replica_nodes] [isr_nodes] [offline_replicas] TAG_BUFFER 
      error_code => INT16
      partition_index => INT32
      leader_id => INT32
      leader_epoch => INT32
      replica_nodes => INT32
      isr_nodes => INT32
      offline_replicas => INT32
    topic_authorized_operations => INT32
  cluster_authorized_operations => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>brokers</td><td>Each broker in the response.</td></tr>
<tr>
<td>node_id</td><td>The broker ID.</td></tr>
<tr>
<td>host</td><td>The broker hostname.</td></tr>
<tr>
<td>port</td><td>The broker port.</td></tr>
<tr>
<td>rack</td><td>The rack of the broker, or null if it has not been assigned to a rack.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>cluster_id</td><td>The cluster ID that responding broker belongs to.</td></tr>
<tr>
<td>controller_id</td><td>The ID of the controller broker.</td></tr>
<tr>
<td>topics</td><td>Each topic in the response.</td></tr>
<tr>
<td>error_code</td><td>The topic error, or 0 if there was no error.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>is_internal</td><td>True if the topic is internal.</td></tr>
<tr>
<td>partitions</td><td>Each partition in the topic.</td></tr>
<tr>
<td>error_code</td><td>The partition error, or 0 if there was no error.</td></tr>
<tr>
<td>partition_index</td><td>The partition index.</td></tr>
<tr>
<td>leader_id</td><td>The ID of the leader broker.</td></tr>
<tr>
<td>leader_epoch</td><td>The leader epoch of this partition.</td></tr>
<tr>
<td>replica_nodes</td><td>The set of all nodes that host this partition.</td></tr>
<tr>
<td>isr_nodes</td><td>The set of nodes that are in sync with the leader for this partition.</td></tr>
<tr>
<td>offline_replicas</td><td>The set of offline replicas of this partition.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>topic_authorized_operations</td><td>32-bit bitfield to represent authorized operations for this topic.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>cluster_authorized_operations</td><td>32-bit bitfield to represent authorized operations for this cluster.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<p><pre>Metadata Response (Version: 10) => throttle_time_ms [brokers] cluster_id controller_id [topics] cluster_authorized_operations TAG_BUFFER 
  throttle_time_ms => INT32
  brokers => node_id host port rack TAG_BUFFER 
    node_id => INT32
    host => COMPACT_STRING
    port => INT32
    rack => COMPACT_NULLABLE_STRING
  cluster_id => COMPACT_NULLABLE_STRING
  controller_id => INT32
  topics => error_code name topic_id is_internal [partitions] topic_authorized_operations TAG_BUFFER 
    error_code => INT16
    name => COMPACT_STRING
    topic_id => UUID
    is_internal => BOOLEAN
    partitions => error_code partition_index leader_id leader_epoch [replica_nodes] [isr_nodes] [offline_replicas] TAG_BUFFER 
      error_code => INT16
      partition_index => INT32
      leader_id => INT32
      leader_epoch => INT32
      replica_nodes => INT32
      isr_nodes => INT32
      offline_replicas => INT32
    topic_authorized_operations => INT32
  cluster_authorized_operations => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>brokers</td><td>Each broker in the response.</td></tr>
<tr>
<td>node_id</td><td>The broker ID.</td></tr>
<tr>
<td>host</td><td>The broker hostname.</td></tr>
<tr>
<td>port</td><td>The broker port.</td></tr>
<tr>
<td>rack</td><td>The rack of the broker, or null if it has not been assigned to a rack.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>cluster_id</td><td>The cluster ID that responding broker belongs to.</td></tr>
<tr>
<td>controller_id</td><td>The ID of the controller broker.</td></tr>
<tr>
<td>topics</td><td>Each topic in the response.</td></tr>
<tr>
<td>error_code</td><td>The topic error, or 0 if there was no error.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>topic_id</td><td>The topic id.</td></tr>
<tr>
<td>is_internal</td><td>True if the topic is internal.</td></tr>
<tr>
<td>partitions</td><td>Each partition in the topic.</td></tr>
<tr>
<td>error_code</td><td>The partition error, or 0 if there was no error.</td></tr>
<tr>
<td>partition_index</td><td>The partition index.</td></tr>
<tr>
<td>leader_id</td><td>The ID of the leader broker.</td></tr>
<tr>
<td>leader_epoch</td><td>The leader epoch of this partition.</td></tr>
<tr>
<td>replica_nodes</td><td>The set of all nodes that host this partition.</td></tr>
<tr>
<td>isr_nodes</td><td>The set of nodes that are in sync with the leader for this partition.</td></tr>
<tr>
<td>offline_replicas</td><td>The set of offline replicas of this partition.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>topic_authorized_operations</td><td>32-bit bitfield to represent authorized operations for this topic.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>cluster_authorized_operations</td><td>32-bit bitfield to represent authorized operations for this cluster.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<p><pre>Metadata Response (Version: 11) => throttle_time_ms [brokers] cluster_id controller_id [topics] TAG_BUFFER 
  throttle_time_ms => INT32
  brokers => node_id host port rack TAG_BUFFER 
    node_id => INT32
    host => COMPACT_STRING
    port => INT32
    rack => COMPACT_NULLABLE_STRING
  cluster_id => COMPACT_NULLABLE_STRING
  controller_id => INT32
  topics => error_code name topic_id is_internal [partitions] topic_authorized_operations TAG_BUFFER 
    error_code => INT16
    name => COMPACT_STRING
    topic_id => UUID
    is_internal => BOOLEAN
    partitions => error_code partition_index leader_id leader_epoch [replica_nodes] [isr_nodes] [offline_replicas] TAG_BUFFER 
      error_code => INT16
      partition_index => INT32
      leader_id => INT32
      leader_epoch => INT32
      replica_nodes => INT32
      isr_nodes => INT32
      offline_replicas => INT32
    topic_authorized_operations => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>brokers</td><td>Each broker in the response.</td></tr>
<tr>
<td>node_id</td><td>The broker ID.</td></tr>
<tr>
<td>host</td><td>The broker hostname.</td></tr>
<tr>
<td>port</td><td>The broker port.</td></tr>
<tr>
<td>rack</td><td>The rack of the broker, or null if it has not been assigned to a rack.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>cluster_id</td><td>The cluster ID that responding broker belongs to.</td></tr>
<tr>
<td>controller_id</td><td>The ID of the controller broker.</td></tr>
<tr>
<td>topics</td><td>Each topic in the response.</td></tr>
<tr>
<td>error_code</td><td>The topic error, or 0 if there was no error.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>topic_id</td><td>The topic id.</td></tr>
<tr>
<td>is_internal</td><td>True if the topic is internal.</td></tr>
<tr>
<td>partitions</td><td>Each partition in the topic.</td></tr>
<tr>
<td>error_code</td><td>The partition error, or 0 if there was no error.</td></tr>
<tr>
<td>partition_index</td><td>The partition index.</td></tr>
<tr>
<td>leader_id</td><td>The ID of the leader broker.</td></tr>
<tr>
<td>leader_epoch</td><td>The leader epoch of this partition.</td></tr>
<tr>
<td>replica_nodes</td><td>The set of all nodes that host this partition.</td></tr>
<tr>
<td>isr_nodes</td><td>The set of nodes that are in sync with the leader for this partition.</td></tr>
<tr>
<td>offline_replicas</td><td>The set of offline replicas of this partition.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>topic_authorized_operations</td><td>32-bit bitfield to represent authorized operations for this topic.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<h5><a name="The_Messages_LeaderAndIsr">LeaderAndIsr API (Key: 4):</a></h5>

<b>Requests:</b><br>
<p><pre>LeaderAndIsr Request (Version: 0) => controller_id controller_epoch [ungrouped_partition_states] [live_leaders] 
  controller_id => INT32
  controller_epoch => INT32
  ungrouped_partition_states => topic_name partition_index controller_epoch leader leader_epoch [isr] zk_version [replicas] 
    topic_name => STRING
    partition_index => INT32
    controller_epoch => INT32
    leader => INT32
    leader_epoch => INT32
    isr => INT32
    zk_version => INT32
    replicas => INT32
  live_leaders => broker_id host_name port 
    broker_id => INT32
    host_name => STRING
    port => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>controller_id</td><td>The current controller ID.</td></tr>
<tr>
<td>controller_epoch</td><td>The current controller epoch.</td></tr>
<tr>
<td>ungrouped_partition_states</td><td>The state of each partition, in a v0 or v1 message.</td></tr>
<tr>
<td>topic_name</td><td>The topic name.  This is only present in v0 or v1.</td></tr>
<tr>
<td>partition_index</td><td>The partition index.</td></tr>
<tr>
<td>controller_epoch</td><td>The controller epoch.</td></tr>
<tr>
<td>leader</td><td>The broker ID of the leader.</td></tr>
<tr>
<td>leader_epoch</td><td>The leader epoch.</td></tr>
<tr>
<td>isr</td><td>The in-sync replica IDs.</td></tr>
<tr>
<td>zk_version</td><td>The ZooKeeper version.</td></tr>
<tr>
<td>replicas</td><td>The replica IDs.</td></tr>
<tr>
<td>live_leaders</td><td>The current live leaders.</td></tr>
<tr>
<td>broker_id</td><td>The leader's broker ID.</td></tr>
<tr>
<td>host_name</td><td>The leader's hostname.</td></tr>
<tr>
<td>port</td><td>The leader's port.</td></tr>
</table>
</p>
<p><pre>LeaderAndIsr Request (Version: 1) => controller_id controller_epoch [ungrouped_partition_states] [live_leaders] 
  controller_id => INT32
  controller_epoch => INT32
  ungrouped_partition_states => topic_name partition_index controller_epoch leader leader_epoch [isr] zk_version [replicas] is_new 
    topic_name => STRING
    partition_index => INT32
    controller_epoch => INT32
    leader => INT32
    leader_epoch => INT32
    isr => INT32
    zk_version => INT32
    replicas => INT32
    is_new => BOOLEAN
  live_leaders => broker_id host_name port 
    broker_id => INT32
    host_name => STRING
    port => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>controller_id</td><td>The current controller ID.</td></tr>
<tr>
<td>controller_epoch</td><td>The current controller epoch.</td></tr>
<tr>
<td>ungrouped_partition_states</td><td>The state of each partition, in a v0 or v1 message.</td></tr>
<tr>
<td>topic_name</td><td>The topic name.  This is only present in v0 or v1.</td></tr>
<tr>
<td>partition_index</td><td>The partition index.</td></tr>
<tr>
<td>controller_epoch</td><td>The controller epoch.</td></tr>
<tr>
<td>leader</td><td>The broker ID of the leader.</td></tr>
<tr>
<td>leader_epoch</td><td>The leader epoch.</td></tr>
<tr>
<td>isr</td><td>The in-sync replica IDs.</td></tr>
<tr>
<td>zk_version</td><td>The ZooKeeper version.</td></tr>
<tr>
<td>replicas</td><td>The replica IDs.</td></tr>
<tr>
<td>is_new</td><td>Whether the replica should have existed on the broker or not.</td></tr>
<tr>
<td>live_leaders</td><td>The current live leaders.</td></tr>
<tr>
<td>broker_id</td><td>The leader's broker ID.</td></tr>
<tr>
<td>host_name</td><td>The leader's hostname.</td></tr>
<tr>
<td>port</td><td>The leader's port.</td></tr>
</table>
</p>
<p><pre>LeaderAndIsr Request (Version: 2) => controller_id controller_epoch broker_epoch [topic_states] [live_leaders] 
  controller_id => INT32
  controller_epoch => INT32
  broker_epoch => INT64
  topic_states => topic_name [partition_states] 
    topic_name => STRING
    partition_states => partition_index controller_epoch leader leader_epoch [isr] zk_version [replicas] is_new 
      partition_index => INT32
      controller_epoch => INT32
      leader => INT32
      leader_epoch => INT32
      isr => INT32
      zk_version => INT32
      replicas => INT32
      is_new => BOOLEAN
  live_leaders => broker_id host_name port 
    broker_id => INT32
    host_name => STRING
    port => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>controller_id</td><td>The current controller ID.</td></tr>
<tr>
<td>controller_epoch</td><td>The current controller epoch.</td></tr>
<tr>
<td>broker_epoch</td><td>The current broker epoch.</td></tr>
<tr>
<td>topic_states</td><td>Each topic.</td></tr>
<tr>
<td>topic_name</td><td>The topic name.</td></tr>
<tr>
<td>partition_states</td><td>The state of each partition</td></tr>
<tr>
<td>partition_index</td><td>The partition index.</td></tr>
<tr>
<td>controller_epoch</td><td>The controller epoch.</td></tr>
<tr>
<td>leader</td><td>The broker ID of the leader.</td></tr>
<tr>
<td>leader_epoch</td><td>The leader epoch.</td></tr>
<tr>
<td>isr</td><td>The in-sync replica IDs.</td></tr>
<tr>
<td>zk_version</td><td>The ZooKeeper version.</td></tr>
<tr>
<td>replicas</td><td>The replica IDs.</td></tr>
<tr>
<td>is_new</td><td>Whether the replica should have existed on the broker or not.</td></tr>
<tr>
<td>live_leaders</td><td>The current live leaders.</td></tr>
<tr>
<td>broker_id</td><td>The leader's broker ID.</td></tr>
<tr>
<td>host_name</td><td>The leader's hostname.</td></tr>
<tr>
<td>port</td><td>The leader's port.</td></tr>
</table>
</p>
<p><pre>LeaderAndIsr Request (Version: 3) => controller_id controller_epoch broker_epoch [topic_states] [live_leaders] 
  controller_id => INT32
  controller_epoch => INT32
  broker_epoch => INT64
  topic_states => topic_name [partition_states] 
    topic_name => STRING
    partition_states => partition_index controller_epoch leader leader_epoch [isr] zk_version [replicas] [adding_replicas] [removing_replicas] is_new 
      partition_index => INT32
      controller_epoch => INT32
      leader => INT32
      leader_epoch => INT32
      isr => INT32
      zk_version => INT32
      replicas => INT32
      adding_replicas => INT32
      removing_replicas => INT32
      is_new => BOOLEAN
  live_leaders => broker_id host_name port 
    broker_id => INT32
    host_name => STRING
    port => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>controller_id</td><td>The current controller ID.</td></tr>
<tr>
<td>controller_epoch</td><td>The current controller epoch.</td></tr>
<tr>
<td>broker_epoch</td><td>The current broker epoch.</td></tr>
<tr>
<td>topic_states</td><td>Each topic.</td></tr>
<tr>
<td>topic_name</td><td>The topic name.</td></tr>
<tr>
<td>partition_states</td><td>The state of each partition</td></tr>
<tr>
<td>partition_index</td><td>The partition index.</td></tr>
<tr>
<td>controller_epoch</td><td>The controller epoch.</td></tr>
<tr>
<td>leader</td><td>The broker ID of the leader.</td></tr>
<tr>
<td>leader_epoch</td><td>The leader epoch.</td></tr>
<tr>
<td>isr</td><td>The in-sync replica IDs.</td></tr>
<tr>
<td>zk_version</td><td>The ZooKeeper version.</td></tr>
<tr>
<td>replicas</td><td>The replica IDs.</td></tr>
<tr>
<td>adding_replicas</td><td>The replica IDs that we are adding this partition to, or null if no replicas are being added.</td></tr>
<tr>
<td>removing_replicas</td><td>The replica IDs that we are removing this partition from, or null if no replicas are being removed.</td></tr>
<tr>
<td>is_new</td><td>Whether the replica should have existed on the broker or not.</td></tr>
<tr>
<td>live_leaders</td><td>The current live leaders.</td></tr>
<tr>
<td>broker_id</td><td>The leader's broker ID.</td></tr>
<tr>
<td>host_name</td><td>The leader's hostname.</td></tr>
<tr>
<td>port</td><td>The leader's port.</td></tr>
</table>
</p>
<p><pre>LeaderAndIsr Request (Version: 4) => controller_id controller_epoch broker_epoch [topic_states] [live_leaders] TAG_BUFFER 
  controller_id => INT32
  controller_epoch => INT32
  broker_epoch => INT64
  topic_states => topic_name [partition_states] TAG_BUFFER 
    topic_name => COMPACT_STRING
    partition_states => partition_index controller_epoch leader leader_epoch [isr] zk_version [replicas] [adding_replicas] [removing_replicas] is_new TAG_BUFFER 
      partition_index => INT32
      controller_epoch => INT32
      leader => INT32
      leader_epoch => INT32
      isr => INT32
      zk_version => INT32
      replicas => INT32
      adding_replicas => INT32
      removing_replicas => INT32
      is_new => BOOLEAN
  live_leaders => broker_id host_name port TAG_BUFFER 
    broker_id => INT32
    host_name => COMPACT_STRING
    port => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>controller_id</td><td>The current controller ID.</td></tr>
<tr>
<td>controller_epoch</td><td>The current controller epoch.</td></tr>
<tr>
<td>broker_epoch</td><td>The current broker epoch.</td></tr>
<tr>
<td>topic_states</td><td>Each topic.</td></tr>
<tr>
<td>topic_name</td><td>The topic name.</td></tr>
<tr>
<td>partition_states</td><td>The state of each partition</td></tr>
<tr>
<td>partition_index</td><td>The partition index.</td></tr>
<tr>
<td>controller_epoch</td><td>The controller epoch.</td></tr>
<tr>
<td>leader</td><td>The broker ID of the leader.</td></tr>
<tr>
<td>leader_epoch</td><td>The leader epoch.</td></tr>
<tr>
<td>isr</td><td>The in-sync replica IDs.</td></tr>
<tr>
<td>zk_version</td><td>The ZooKeeper version.</td></tr>
<tr>
<td>replicas</td><td>The replica IDs.</td></tr>
<tr>
<td>adding_replicas</td><td>The replica IDs that we are adding this partition to, or null if no replicas are being added.</td></tr>
<tr>
<td>removing_replicas</td><td>The replica IDs that we are removing this partition from, or null if no replicas are being removed.</td></tr>
<tr>
<td>is_new</td><td>Whether the replica should have existed on the broker or not.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>live_leaders</td><td>The current live leaders.</td></tr>
<tr>
<td>broker_id</td><td>The leader's broker ID.</td></tr>
<tr>
<td>host_name</td><td>The leader's hostname.</td></tr>
<tr>
<td>port</td><td>The leader's port.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<p><pre>LeaderAndIsr Request (Version: 5) => controller_id controller_epoch broker_epoch type [topic_states] [live_leaders] TAG_BUFFER 
  controller_id => INT32
  controller_epoch => INT32
  broker_epoch => INT64
  type => INT8
  topic_states => topic_name topic_id [partition_states] TAG_BUFFER 
    topic_name => COMPACT_STRING
    topic_id => UUID
    partition_states => partition_index controller_epoch leader leader_epoch [isr] zk_version [replicas] [adding_replicas] [removing_replicas] is_new TAG_BUFFER 
      partition_index => INT32
      controller_epoch => INT32
      leader => INT32
      leader_epoch => INT32
      isr => INT32
      zk_version => INT32
      replicas => INT32
      adding_replicas => INT32
      removing_replicas => INT32
      is_new => BOOLEAN
  live_leaders => broker_id host_name port TAG_BUFFER 
    broker_id => INT32
    host_name => COMPACT_STRING
    port => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>controller_id</td><td>The current controller ID.</td></tr>
<tr>
<td>controller_epoch</td><td>The current controller epoch.</td></tr>
<tr>
<td>broker_epoch</td><td>The current broker epoch.</td></tr>
<tr>
<td>type</td><td>The type that indicates whether all topics are included in the request</td></tr>
<tr>
<td>topic_states</td><td>Each topic.</td></tr>
<tr>
<td>topic_name</td><td>The topic name.</td></tr>
<tr>
<td>topic_id</td><td>The unique topic ID.</td></tr>
<tr>
<td>partition_states</td><td>The state of each partition</td></tr>
<tr>
<td>partition_index</td><td>The partition index.</td></tr>
<tr>
<td>controller_epoch</td><td>The controller epoch.</td></tr>
<tr>
<td>leader</td><td>The broker ID of the leader.</td></tr>
<tr>
<td>leader_epoch</td><td>The leader epoch.</td></tr>
<tr>
<td>isr</td><td>The in-sync replica IDs.</td></tr>
<tr>
<td>zk_version</td><td>The ZooKeeper version.</td></tr>
<tr>
<td>replicas</td><td>The replica IDs.</td></tr>
<tr>
<td>adding_replicas</td><td>The replica IDs that we are adding this partition to, or null if no replicas are being added.</td></tr>
<tr>
<td>removing_replicas</td><td>The replica IDs that we are removing this partition from, or null if no replicas are being removed.</td></tr>
<tr>
<td>is_new</td><td>Whether the replica should have existed on the broker or not.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>live_leaders</td><td>The current live leaders.</td></tr>
<tr>
<td>broker_id</td><td>The leader's broker ID.</td></tr>
<tr>
<td>host_name</td><td>The leader's hostname.</td></tr>
<tr>
<td>port</td><td>The leader's port.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<b>Responses:</b><br>
<p><pre>LeaderAndIsr Response (Version: 0) => error_code [partition_errors] 
  error_code => INT16
  partition_errors => topic_name partition_index error_code 
    topic_name => STRING
    partition_index => INT32
    error_code => INT16
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>error_code</td><td>The error code, or 0 if there was no error.</td></tr>
<tr>
<td>partition_errors</td><td>Each partition in v0 to v4 message.</td></tr>
<tr>
<td>topic_name</td><td>The topic name.</td></tr>
<tr>
<td>partition_index</td><td>The partition index.</td></tr>
<tr>
<td>error_code</td><td>The partition error code, or 0 if there was no error.</td></tr>
</table>
</p>
<p><pre>LeaderAndIsr Response (Version: 1) => error_code [partition_errors] 
  error_code => INT16
  partition_errors => topic_name partition_index error_code 
    topic_name => STRING
    partition_index => INT32
    error_code => INT16
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>error_code</td><td>The error code, or 0 if there was no error.</td></tr>
<tr>
<td>partition_errors</td><td>Each partition in v0 to v4 message.</td></tr>
<tr>
<td>topic_name</td><td>The topic name.</td></tr>
<tr>
<td>partition_index</td><td>The partition index.</td></tr>
<tr>
<td>error_code</td><td>The partition error code, or 0 if there was no error.</td></tr>
</table>
</p>
<p><pre>LeaderAndIsr Response (Version: 2) => error_code [partition_errors] 
  error_code => INT16
  partition_errors => topic_name partition_index error_code 
    topic_name => STRING
    partition_index => INT32
    error_code => INT16
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>error_code</td><td>The error code, or 0 if there was no error.</td></tr>
<tr>
<td>partition_errors</td><td>Each partition in v0 to v4 message.</td></tr>
<tr>
<td>topic_name</td><td>The topic name.</td></tr>
<tr>
<td>partition_index</td><td>The partition index.</td></tr>
<tr>
<td>error_code</td><td>The partition error code, or 0 if there was no error.</td></tr>
</table>
</p>
<p><pre>LeaderAndIsr Response (Version: 3) => error_code [partition_errors] 
  error_code => INT16
  partition_errors => topic_name partition_index error_code 
    topic_name => STRING
    partition_index => INT32
    error_code => INT16
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>error_code</td><td>The error code, or 0 if there was no error.</td></tr>
<tr>
<td>partition_errors</td><td>Each partition in v0 to v4 message.</td></tr>
<tr>
<td>topic_name</td><td>The topic name.</td></tr>
<tr>
<td>partition_index</td><td>The partition index.</td></tr>
<tr>
<td>error_code</td><td>The partition error code, or 0 if there was no error.</td></tr>
</table>
</p>
<p><pre>LeaderAndIsr Response (Version: 4) => error_code [partition_errors] TAG_BUFFER 
  error_code => INT16
  partition_errors => topic_name partition_index error_code TAG_BUFFER 
    topic_name => COMPACT_STRING
    partition_index => INT32
    error_code => INT16
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>error_code</td><td>The error code, or 0 if there was no error.</td></tr>
<tr>
<td>partition_errors</td><td>Each partition in v0 to v4 message.</td></tr>
<tr>
<td>topic_name</td><td>The topic name.</td></tr>
<tr>
<td>partition_index</td><td>The partition index.</td></tr>
<tr>
<td>error_code</td><td>The partition error code, or 0 if there was no error.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<p><pre>LeaderAndIsr Response (Version: 5) => error_code [topics] TAG_BUFFER 
  error_code => INT16
  topics => topic_id [partition_errors] TAG_BUFFER 
    topic_id => UUID
    partition_errors => partition_index error_code TAG_BUFFER 
      partition_index => INT32
      error_code => INT16
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>error_code</td><td>The error code, or 0 if there was no error.</td></tr>
<tr>
<td>topics</td><td>Each topic</td></tr>
<tr>
<td>topic_id</td><td>The unique topic ID</td></tr>
<tr>
<td>partition_errors</td><td>Each partition.</td></tr>
<tr>
<td>partition_index</td><td>The partition index.</td></tr>
<tr>
<td>error_code</td><td>The partition error code, or 0 if there was no error.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<h5><a name="The_Messages_StopReplica">StopReplica API (Key: 5):</a></h5>

<b>Requests:</b><br>
<p><pre>StopReplica Request (Version: 0) => controller_id controller_epoch delete_partitions [ungrouped_partitions] 
  controller_id => INT32
  controller_epoch => INT32
  delete_partitions => BOOLEAN
  ungrouped_partitions => topic_name partition_index 
    topic_name => STRING
    partition_index => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>controller_id</td><td>The controller id.</td></tr>
<tr>
<td>controller_epoch</td><td>The controller epoch.</td></tr>
<tr>
<td>delete_partitions</td><td>Whether these partitions should be deleted.</td></tr>
<tr>
<td>ungrouped_partitions</td><td>The partitions to stop.</td></tr>
<tr>
<td>topic_name</td><td>The topic name.</td></tr>
<tr>
<td>partition_index</td><td>The partition index.</td></tr>
</table>
</p>
<p><pre>StopReplica Request (Version: 1) => controller_id controller_epoch broker_epoch delete_partitions [topics] 
  controller_id => INT32
  controller_epoch => INT32
  broker_epoch => INT64
  delete_partitions => BOOLEAN
  topics => name [partition_indexes] 
    name => STRING
    partition_indexes => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>controller_id</td><td>The controller id.</td></tr>
<tr>
<td>controller_epoch</td><td>The controller epoch.</td></tr>
<tr>
<td>broker_epoch</td><td>The broker epoch.</td></tr>
<tr>
<td>delete_partitions</td><td>Whether these partitions should be deleted.</td></tr>
<tr>
<td>topics</td><td>The topics to stop.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>partition_indexes</td><td>The partition indexes.</td></tr>
</table>
</p>
<p><pre>StopReplica Request (Version: 2) => controller_id controller_epoch broker_epoch delete_partitions [topics] TAG_BUFFER 
  controller_id => INT32
  controller_epoch => INT32
  broker_epoch => INT64
  delete_partitions => BOOLEAN
  topics => name [partition_indexes] TAG_BUFFER 
    name => COMPACT_STRING
    partition_indexes => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>controller_id</td><td>The controller id.</td></tr>
<tr>
<td>controller_epoch</td><td>The controller epoch.</td></tr>
<tr>
<td>broker_epoch</td><td>The broker epoch.</td></tr>
<tr>
<td>delete_partitions</td><td>Whether these partitions should be deleted.</td></tr>
<tr>
<td>topics</td><td>The topics to stop.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>partition_indexes</td><td>The partition indexes.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<p><pre>StopReplica Request (Version: 3) => controller_id controller_epoch broker_epoch [topic_states] TAG_BUFFER 
  controller_id => INT32
  controller_epoch => INT32
  broker_epoch => INT64
  topic_states => topic_name [partition_states] TAG_BUFFER 
    topic_name => COMPACT_STRING
    partition_states => partition_index leader_epoch delete_partition TAG_BUFFER 
      partition_index => INT32
      leader_epoch => INT32
      delete_partition => BOOLEAN
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>controller_id</td><td>The controller id.</td></tr>
<tr>
<td>controller_epoch</td><td>The controller epoch.</td></tr>
<tr>
<td>broker_epoch</td><td>The broker epoch.</td></tr>
<tr>
<td>topic_states</td><td>Each topic.</td></tr>
<tr>
<td>topic_name</td><td>The topic name.</td></tr>
<tr>
<td>partition_states</td><td>The state of each partition</td></tr>
<tr>
<td>partition_index</td><td>The partition index.</td></tr>
<tr>
<td>leader_epoch</td><td>The leader epoch.</td></tr>
<tr>
<td>delete_partition</td><td>Whether this partition should be deleted.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<b>Responses:</b><br>
<p><pre>StopReplica Response (Version: 0) => error_code [partition_errors] 
  error_code => INT16
  partition_errors => topic_name partition_index error_code 
    topic_name => STRING
    partition_index => INT32
    error_code => INT16
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>error_code</td><td>The top-level error code, or 0 if there was no top-level error.</td></tr>
<tr>
<td>partition_errors</td><td>The responses for each partition.</td></tr>
<tr>
<td>topic_name</td><td>The topic name.</td></tr>
<tr>
<td>partition_index</td><td>The partition index.</td></tr>
<tr>
<td>error_code</td><td>The partition error code, or 0 if there was no partition error.</td></tr>
</table>
</p>
<p><pre>StopReplica Response (Version: 1) => error_code [partition_errors] 
  error_code => INT16
  partition_errors => topic_name partition_index error_code 
    topic_name => STRING
    partition_index => INT32
    error_code => INT16
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>error_code</td><td>The top-level error code, or 0 if there was no top-level error.</td></tr>
<tr>
<td>partition_errors</td><td>The responses for each partition.</td></tr>
<tr>
<td>topic_name</td><td>The topic name.</td></tr>
<tr>
<td>partition_index</td><td>The partition index.</td></tr>
<tr>
<td>error_code</td><td>The partition error code, or 0 if there was no partition error.</td></tr>
</table>
</p>
<p><pre>StopReplica Response (Version: 2) => error_code [partition_errors] TAG_BUFFER 
  error_code => INT16
  partition_errors => topic_name partition_index error_code TAG_BUFFER 
    topic_name => COMPACT_STRING
    partition_index => INT32
    error_code => INT16
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>error_code</td><td>The top-level error code, or 0 if there was no top-level error.</td></tr>
<tr>
<td>partition_errors</td><td>The responses for each partition.</td></tr>
<tr>
<td>topic_name</td><td>The topic name.</td></tr>
<tr>
<td>partition_index</td><td>The partition index.</td></tr>
<tr>
<td>error_code</td><td>The partition error code, or 0 if there was no partition error.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<p><pre>StopReplica Response (Version: 3) => error_code [partition_errors] TAG_BUFFER 
  error_code => INT16
  partition_errors => topic_name partition_index error_code TAG_BUFFER 
    topic_name => COMPACT_STRING
    partition_index => INT32
    error_code => INT16
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>error_code</td><td>The top-level error code, or 0 if there was no top-level error.</td></tr>
<tr>
<td>partition_errors</td><td>The responses for each partition.</td></tr>
<tr>
<td>topic_name</td><td>The topic name.</td></tr>
<tr>
<td>partition_index</td><td>The partition index.</td></tr>
<tr>
<td>error_code</td><td>The partition error code, or 0 if there was no partition error.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<h5><a name="The_Messages_UpdateMetadata">UpdateMetadata API (Key: 6):</a></h5>

<b>Requests:</b><br>
<p><pre>UpdateMetadata Request (Version: 0) => controller_id controller_epoch [ungrouped_partition_states] [live_brokers] 
  controller_id => INT32
  controller_epoch => INT32
  ungrouped_partition_states => topic_name partition_index controller_epoch leader leader_epoch [isr] zk_version [replicas] 
    topic_name => STRING
    partition_index => INT32
    controller_epoch => INT32
    leader => INT32
    leader_epoch => INT32
    isr => INT32
    zk_version => INT32
    replicas => INT32
  live_brokers => id v0_host v0_port 
    id => INT32
    v0_host => STRING
    v0_port => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>controller_id</td><td>The controller id.</td></tr>
<tr>
<td>controller_epoch</td><td>The controller epoch.</td></tr>
<tr>
<td>ungrouped_partition_states</td><td>In older versions of this RPC, each partition that we would like to update.</td></tr>
<tr>
<td>topic_name</td><td>In older versions of this RPC, the topic name.</td></tr>
<tr>
<td>partition_index</td><td>The partition index.</td></tr>
<tr>
<td>controller_epoch</td><td>The controller epoch.</td></tr>
<tr>
<td>leader</td><td>The ID of the broker which is the current partition leader.</td></tr>
<tr>
<td>leader_epoch</td><td>The leader epoch of this partition.</td></tr>
<tr>
<td>isr</td><td>The brokers which are in the ISR for this partition.</td></tr>
<tr>
<td>zk_version</td><td>The Zookeeper version.</td></tr>
<tr>
<td>replicas</td><td>All the replicas of this partition.</td></tr>
<tr>
<td>live_brokers</td><td></td></tr>
<tr>
<td>id</td><td>The broker id.</td></tr>
<tr>
<td>v0_host</td><td>The broker hostname.</td></tr>
<tr>
<td>v0_port</td><td>The broker port.</td></tr>
</table>
</p>
<p><pre>UpdateMetadata Request (Version: 1) => controller_id controller_epoch [ungrouped_partition_states] [live_brokers] 
  controller_id => INT32
  controller_epoch => INT32
  ungrouped_partition_states => topic_name partition_index controller_epoch leader leader_epoch [isr] zk_version [replicas] 
    topic_name => STRING
    partition_index => INT32
    controller_epoch => INT32
    leader => INT32
    leader_epoch => INT32
    isr => INT32
    zk_version => INT32
    replicas => INT32
  live_brokers => id [endpoints] 
    id => INT32
    endpoints => port host security_protocol 
      port => INT32
      host => STRING
      security_protocol => INT16
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>controller_id</td><td>The controller id.</td></tr>
<tr>
<td>controller_epoch</td><td>The controller epoch.</td></tr>
<tr>
<td>ungrouped_partition_states</td><td>In older versions of this RPC, each partition that we would like to update.</td></tr>
<tr>
<td>topic_name</td><td>In older versions of this RPC, the topic name.</td></tr>
<tr>
<td>partition_index</td><td>The partition index.</td></tr>
<tr>
<td>controller_epoch</td><td>The controller epoch.</td></tr>
<tr>
<td>leader</td><td>The ID of the broker which is the current partition leader.</td></tr>
<tr>
<td>leader_epoch</td><td>The leader epoch of this partition.</td></tr>
<tr>
<td>isr</td><td>The brokers which are in the ISR for this partition.</td></tr>
<tr>
<td>zk_version</td><td>The Zookeeper version.</td></tr>
<tr>
<td>replicas</td><td>All the replicas of this partition.</td></tr>
<tr>
<td>live_brokers</td><td></td></tr>
<tr>
<td>id</td><td>The broker id.</td></tr>
<tr>
<td>endpoints</td><td>The broker endpoints.</td></tr>
<tr>
<td>port</td><td>The port of this endpoint</td></tr>
<tr>
<td>host</td><td>The hostname of this endpoint</td></tr>
<tr>
<td>security_protocol</td><td>The security protocol type.</td></tr>
</table>
</p>
<p><pre>UpdateMetadata Request (Version: 2) => controller_id controller_epoch [ungrouped_partition_states] [live_brokers] 
  controller_id => INT32
  controller_epoch => INT32
  ungrouped_partition_states => topic_name partition_index controller_epoch leader leader_epoch [isr] zk_version [replicas] 
    topic_name => STRING
    partition_index => INT32
    controller_epoch => INT32
    leader => INT32
    leader_epoch => INT32
    isr => INT32
    zk_version => INT32
    replicas => INT32
  live_brokers => id [endpoints] rack 
    id => INT32
    endpoints => port host security_protocol 
      port => INT32
      host => STRING
      security_protocol => INT16
    rack => NULLABLE_STRING
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>controller_id</td><td>The controller id.</td></tr>
<tr>
<td>controller_epoch</td><td>The controller epoch.</td></tr>
<tr>
<td>ungrouped_partition_states</td><td>In older versions of this RPC, each partition that we would like to update.</td></tr>
<tr>
<td>topic_name</td><td>In older versions of this RPC, the topic name.</td></tr>
<tr>
<td>partition_index</td><td>The partition index.</td></tr>
<tr>
<td>controller_epoch</td><td>The controller epoch.</td></tr>
<tr>
<td>leader</td><td>The ID of the broker which is the current partition leader.</td></tr>
<tr>
<td>leader_epoch</td><td>The leader epoch of this partition.</td></tr>
<tr>
<td>isr</td><td>The brokers which are in the ISR for this partition.</td></tr>
<tr>
<td>zk_version</td><td>The Zookeeper version.</td></tr>
<tr>
<td>replicas</td><td>All the replicas of this partition.</td></tr>
<tr>
<td>live_brokers</td><td></td></tr>
<tr>
<td>id</td><td>The broker id.</td></tr>
<tr>
<td>endpoints</td><td>The broker endpoints.</td></tr>
<tr>
<td>port</td><td>The port of this endpoint</td></tr>
<tr>
<td>host</td><td>The hostname of this endpoint</td></tr>
<tr>
<td>security_protocol</td><td>The security protocol type.</td></tr>
<tr>
<td>rack</td><td>The rack which this broker belongs to.</td></tr>
</table>
</p>
<p><pre>UpdateMetadata Request (Version: 3) => controller_id controller_epoch [ungrouped_partition_states] [live_brokers] 
  controller_id => INT32
  controller_epoch => INT32
  ungrouped_partition_states => topic_name partition_index controller_epoch leader leader_epoch [isr] zk_version [replicas] 
    topic_name => STRING
    partition_index => INT32
    controller_epoch => INT32
    leader => INT32
    leader_epoch => INT32
    isr => INT32
    zk_version => INT32
    replicas => INT32
  live_brokers => id [endpoints] rack 
    id => INT32
    endpoints => port host listener security_protocol 
      port => INT32
      host => STRING
      listener => STRING
      security_protocol => INT16
    rack => NULLABLE_STRING
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>controller_id</td><td>The controller id.</td></tr>
<tr>
<td>controller_epoch</td><td>The controller epoch.</td></tr>
<tr>
<td>ungrouped_partition_states</td><td>In older versions of this RPC, each partition that we would like to update.</td></tr>
<tr>
<td>topic_name</td><td>In older versions of this RPC, the topic name.</td></tr>
<tr>
<td>partition_index</td><td>The partition index.</td></tr>
<tr>
<td>controller_epoch</td><td>The controller epoch.</td></tr>
<tr>
<td>leader</td><td>The ID of the broker which is the current partition leader.</td></tr>
<tr>
<td>leader_epoch</td><td>The leader epoch of this partition.</td></tr>
<tr>
<td>isr</td><td>The brokers which are in the ISR for this partition.</td></tr>
<tr>
<td>zk_version</td><td>The Zookeeper version.</td></tr>
<tr>
<td>replicas</td><td>All the replicas of this partition.</td></tr>
<tr>
<td>live_brokers</td><td></td></tr>
<tr>
<td>id</td><td>The broker id.</td></tr>
<tr>
<td>endpoints</td><td>The broker endpoints.</td></tr>
<tr>
<td>port</td><td>The port of this endpoint</td></tr>
<tr>
<td>host</td><td>The hostname of this endpoint</td></tr>
<tr>
<td>listener</td><td>The listener name.</td></tr>
<tr>
<td>security_protocol</td><td>The security protocol type.</td></tr>
<tr>
<td>rack</td><td>The rack which this broker belongs to.</td></tr>
</table>
</p>
<p><pre>UpdateMetadata Request (Version: 4) => controller_id controller_epoch [ungrouped_partition_states] [live_brokers] 
  controller_id => INT32
  controller_epoch => INT32
  ungrouped_partition_states => topic_name partition_index controller_epoch leader leader_epoch [isr] zk_version [replicas] [offline_replicas] 
    topic_name => STRING
    partition_index => INT32
    controller_epoch => INT32
    leader => INT32
    leader_epoch => INT32
    isr => INT32
    zk_version => INT32
    replicas => INT32
    offline_replicas => INT32
  live_brokers => id [endpoints] rack 
    id => INT32
    endpoints => port host listener security_protocol 
      port => INT32
      host => STRING
      listener => STRING
      security_protocol => INT16
    rack => NULLABLE_STRING
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>controller_id</td><td>The controller id.</td></tr>
<tr>
<td>controller_epoch</td><td>The controller epoch.</td></tr>
<tr>
<td>ungrouped_partition_states</td><td>In older versions of this RPC, each partition that we would like to update.</td></tr>
<tr>
<td>topic_name</td><td>In older versions of this RPC, the topic name.</td></tr>
<tr>
<td>partition_index</td><td>The partition index.</td></tr>
<tr>
<td>controller_epoch</td><td>The controller epoch.</td></tr>
<tr>
<td>leader</td><td>The ID of the broker which is the current partition leader.</td></tr>
<tr>
<td>leader_epoch</td><td>The leader epoch of this partition.</td></tr>
<tr>
<td>isr</td><td>The brokers which are in the ISR for this partition.</td></tr>
<tr>
<td>zk_version</td><td>The Zookeeper version.</td></tr>
<tr>
<td>replicas</td><td>All the replicas of this partition.</td></tr>
<tr>
<td>offline_replicas</td><td>The replicas of this partition which are offline.</td></tr>
<tr>
<td>live_brokers</td><td></td></tr>
<tr>
<td>id</td><td>The broker id.</td></tr>
<tr>
<td>endpoints</td><td>The broker endpoints.</td></tr>
<tr>
<td>port</td><td>The port of this endpoint</td></tr>
<tr>
<td>host</td><td>The hostname of this endpoint</td></tr>
<tr>
<td>listener</td><td>The listener name.</td></tr>
<tr>
<td>security_protocol</td><td>The security protocol type.</td></tr>
<tr>
<td>rack</td><td>The rack which this broker belongs to.</td></tr>
</table>
</p>
<p><pre>UpdateMetadata Request (Version: 5) => controller_id controller_epoch broker_epoch [topic_states] [live_brokers] 
  controller_id => INT32
  controller_epoch => INT32
  broker_epoch => INT64
  topic_states => topic_name [partition_states] 
    topic_name => STRING
    partition_states => partition_index controller_epoch leader leader_epoch [isr] zk_version [replicas] [offline_replicas] 
      partition_index => INT32
      controller_epoch => INT32
      leader => INT32
      leader_epoch => INT32
      isr => INT32
      zk_version => INT32
      replicas => INT32
      offline_replicas => INT32
  live_brokers => id [endpoints] rack 
    id => INT32
    endpoints => port host listener security_protocol 
      port => INT32
      host => STRING
      listener => STRING
      security_protocol => INT16
    rack => NULLABLE_STRING
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>controller_id</td><td>The controller id.</td></tr>
<tr>
<td>controller_epoch</td><td>The controller epoch.</td></tr>
<tr>
<td>broker_epoch</td><td>The broker epoch.</td></tr>
<tr>
<td>topic_states</td><td>In newer versions of this RPC, each topic that we would like to update.</td></tr>
<tr>
<td>topic_name</td><td>The topic name.</td></tr>
<tr>
<td>partition_states</td><td>The partition that we would like to update.</td></tr>
<tr>
<td>partition_index</td><td>The partition index.</td></tr>
<tr>
<td>controller_epoch</td><td>The controller epoch.</td></tr>
<tr>
<td>leader</td><td>The ID of the broker which is the current partition leader.</td></tr>
<tr>
<td>leader_epoch</td><td>The leader epoch of this partition.</td></tr>
<tr>
<td>isr</td><td>The brokers which are in the ISR for this partition.</td></tr>
<tr>
<td>zk_version</td><td>The Zookeeper version.</td></tr>
<tr>
<td>replicas</td><td>All the replicas of this partition.</td></tr>
<tr>
<td>offline_replicas</td><td>The replicas of this partition which are offline.</td></tr>
<tr>
<td>live_brokers</td><td></td></tr>
<tr>
<td>id</td><td>The broker id.</td></tr>
<tr>
<td>endpoints</td><td>The broker endpoints.</td></tr>
<tr>
<td>port</td><td>The port of this endpoint</td></tr>
<tr>
<td>host</td><td>The hostname of this endpoint</td></tr>
<tr>
<td>listener</td><td>The listener name.</td></tr>
<tr>
<td>security_protocol</td><td>The security protocol type.</td></tr>
<tr>
<td>rack</td><td>The rack which this broker belongs to.</td></tr>
</table>
</p>
<p><pre>UpdateMetadata Request (Version: 6) => controller_id controller_epoch broker_epoch [topic_states] [live_brokers] TAG_BUFFER 
  controller_id => INT32
  controller_epoch => INT32
  broker_epoch => INT64
  topic_states => topic_name [partition_states] TAG_BUFFER 
    topic_name => COMPACT_STRING
    partition_states => partition_index controller_epoch leader leader_epoch [isr] zk_version [replicas] [offline_replicas] TAG_BUFFER 
      partition_index => INT32
      controller_epoch => INT32
      leader => INT32
      leader_epoch => INT32
      isr => INT32
      zk_version => INT32
      replicas => INT32
      offline_replicas => INT32
  live_brokers => id [endpoints] rack TAG_BUFFER 
    id => INT32
    endpoints => port host listener security_protocol TAG_BUFFER 
      port => INT32
      host => COMPACT_STRING
      listener => COMPACT_STRING
      security_protocol => INT16
    rack => COMPACT_NULLABLE_STRING
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>controller_id</td><td>The controller id.</td></tr>
<tr>
<td>controller_epoch</td><td>The controller epoch.</td></tr>
<tr>
<td>broker_epoch</td><td>The broker epoch.</td></tr>
<tr>
<td>topic_states</td><td>In newer versions of this RPC, each topic that we would like to update.</td></tr>
<tr>
<td>topic_name</td><td>The topic name.</td></tr>
<tr>
<td>partition_states</td><td>The partition that we would like to update.</td></tr>
<tr>
<td>partition_index</td><td>The partition index.</td></tr>
<tr>
<td>controller_epoch</td><td>The controller epoch.</td></tr>
<tr>
<td>leader</td><td>The ID of the broker which is the current partition leader.</td></tr>
<tr>
<td>leader_epoch</td><td>The leader epoch of this partition.</td></tr>
<tr>
<td>isr</td><td>The brokers which are in the ISR for this partition.</td></tr>
<tr>
<td>zk_version</td><td>The Zookeeper version.</td></tr>
<tr>
<td>replicas</td><td>All the replicas of this partition.</td></tr>
<tr>
<td>offline_replicas</td><td>The replicas of this partition which are offline.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>live_brokers</td><td></td></tr>
<tr>
<td>id</td><td>The broker id.</td></tr>
<tr>
<td>endpoints</td><td>The broker endpoints.</td></tr>
<tr>
<td>port</td><td>The port of this endpoint</td></tr>
<tr>
<td>host</td><td>The hostname of this endpoint</td></tr>
<tr>
<td>listener</td><td>The listener name.</td></tr>
<tr>
<td>security_protocol</td><td>The security protocol type.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>rack</td><td>The rack which this broker belongs to.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<p><pre>UpdateMetadata Request (Version: 7) => controller_id controller_epoch broker_epoch [topic_states] [live_brokers] TAG_BUFFER 
  controller_id => INT32
  controller_epoch => INT32
  broker_epoch => INT64
  topic_states => topic_name topic_id [partition_states] TAG_BUFFER 
    topic_name => COMPACT_STRING
    topic_id => UUID
    partition_states => partition_index controller_epoch leader leader_epoch [isr] zk_version [replicas] [offline_replicas] TAG_BUFFER 
      partition_index => INT32
      controller_epoch => INT32
      leader => INT32
      leader_epoch => INT32
      isr => INT32
      zk_version => INT32
      replicas => INT32
      offline_replicas => INT32
  live_brokers => id [endpoints] rack TAG_BUFFER 
    id => INT32
    endpoints => port host listener security_protocol TAG_BUFFER 
      port => INT32
      host => COMPACT_STRING
      listener => COMPACT_STRING
      security_protocol => INT16
    rack => COMPACT_NULLABLE_STRING
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>controller_id</td><td>The controller id.</td></tr>
<tr>
<td>controller_epoch</td><td>The controller epoch.</td></tr>
<tr>
<td>broker_epoch</td><td>The broker epoch.</td></tr>
<tr>
<td>topic_states</td><td>In newer versions of this RPC, each topic that we would like to update.</td></tr>
<tr>
<td>topic_name</td><td>The topic name.</td></tr>
<tr>
<td>topic_id</td><td>The topic id.</td></tr>
<tr>
<td>partition_states</td><td>The partition that we would like to update.</td></tr>
<tr>
<td>partition_index</td><td>The partition index.</td></tr>
<tr>
<td>controller_epoch</td><td>The controller epoch.</td></tr>
<tr>
<td>leader</td><td>The ID of the broker which is the current partition leader.</td></tr>
<tr>
<td>leader_epoch</td><td>The leader epoch of this partition.</td></tr>
<tr>
<td>isr</td><td>The brokers which are in the ISR for this partition.</td></tr>
<tr>
<td>zk_version</td><td>The Zookeeper version.</td></tr>
<tr>
<td>replicas</td><td>All the replicas of this partition.</td></tr>
<tr>
<td>offline_replicas</td><td>The replicas of this partition which are offline.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>live_brokers</td><td></td></tr>
<tr>
<td>id</td><td>The broker id.</td></tr>
<tr>
<td>endpoints</td><td>The broker endpoints.</td></tr>
<tr>
<td>port</td><td>The port of this endpoint</td></tr>
<tr>
<td>host</td><td>The hostname of this endpoint</td></tr>
<tr>
<td>listener</td><td>The listener name.</td></tr>
<tr>
<td>security_protocol</td><td>The security protocol type.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>rack</td><td>The rack which this broker belongs to.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<b>Responses:</b><br>
<p><pre>UpdateMetadata Response (Version: 0) => error_code 
  error_code => INT16
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>error_code</td><td>The error code, or 0 if there was no error.</td></tr>
</table>
</p>
<p><pre>UpdateMetadata Response (Version: 1) => error_code 
  error_code => INT16
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>error_code</td><td>The error code, or 0 if there was no error.</td></tr>
</table>
</p>
<p><pre>UpdateMetadata Response (Version: 2) => error_code 
  error_code => INT16
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>error_code</td><td>The error code, or 0 if there was no error.</td></tr>
</table>
</p>
<p><pre>UpdateMetadata Response (Version: 3) => error_code 
  error_code => INT16
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>error_code</td><td>The error code, or 0 if there was no error.</td></tr>
</table>
</p>
<p><pre>UpdateMetadata Response (Version: 4) => error_code 
  error_code => INT16
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>error_code</td><td>The error code, or 0 if there was no error.</td></tr>
</table>
</p>
<p><pre>UpdateMetadata Response (Version: 5) => error_code 
  error_code => INT16
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>error_code</td><td>The error code, or 0 if there was no error.</td></tr>
</table>
</p>
<p><pre>UpdateMetadata Response (Version: 6) => error_code TAG_BUFFER 
  error_code => INT16
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>error_code</td><td>The error code, or 0 if there was no error.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<p><pre>UpdateMetadata Response (Version: 7) => error_code TAG_BUFFER 
  error_code => INT16
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>error_code</td><td>The error code, or 0 if there was no error.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<h5><a name="The_Messages_ControlledShutdown">ControlledShutdown API (Key: 7):</a></h5>

<b>Requests:</b><br>
<p><pre>ControlledShutdown Request (Version: 0) => broker_id 
  broker_id => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>broker_id</td><td>The id of the broker for which controlled shutdown has been requested.</td></tr>
</table>
</p>
<p><pre>ControlledShutdown Request (Version: 1) => broker_id 
  broker_id => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>broker_id</td><td>The id of the broker for which controlled shutdown has been requested.</td></tr>
</table>
</p>
<p><pre>ControlledShutdown Request (Version: 2) => broker_id broker_epoch 
  broker_id => INT32
  broker_epoch => INT64
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>broker_id</td><td>The id of the broker for which controlled shutdown has been requested.</td></tr>
<tr>
<td>broker_epoch</td><td>The broker epoch.</td></tr>
</table>
</p>
<p><pre>ControlledShutdown Request (Version: 3) => broker_id broker_epoch TAG_BUFFER 
  broker_id => INT32
  broker_epoch => INT64
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>broker_id</td><td>The id of the broker for which controlled shutdown has been requested.</td></tr>
<tr>
<td>broker_epoch</td><td>The broker epoch.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<b>Responses:</b><br>
<p><pre>ControlledShutdown Response (Version: 0) => error_code [remaining_partitions] 
  error_code => INT16
  remaining_partitions => topic_name partition_index 
    topic_name => STRING
    partition_index => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>error_code</td><td>The top-level error code.</td></tr>
<tr>
<td>remaining_partitions</td><td>The partitions that the broker still leads.</td></tr>
<tr>
<td>topic_name</td><td>The name of the topic.</td></tr>
<tr>
<td>partition_index</td><td>The index of the partition.</td></tr>
</table>
</p>
<p><pre>ControlledShutdown Response (Version: 1) => error_code [remaining_partitions] 
  error_code => INT16
  remaining_partitions => topic_name partition_index 
    topic_name => STRING
    partition_index => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>error_code</td><td>The top-level error code.</td></tr>
<tr>
<td>remaining_partitions</td><td>The partitions that the broker still leads.</td></tr>
<tr>
<td>topic_name</td><td>The name of the topic.</td></tr>
<tr>
<td>partition_index</td><td>The index of the partition.</td></tr>
</table>
</p>
<p><pre>ControlledShutdown Response (Version: 2) => error_code [remaining_partitions] 
  error_code => INT16
  remaining_partitions => topic_name partition_index 
    topic_name => STRING
    partition_index => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>error_code</td><td>The top-level error code.</td></tr>
<tr>
<td>remaining_partitions</td><td>The partitions that the broker still leads.</td></tr>
<tr>
<td>topic_name</td><td>The name of the topic.</td></tr>
<tr>
<td>partition_index</td><td>The index of the partition.</td></tr>
</table>
</p>
<p><pre>ControlledShutdown Response (Version: 3) => error_code [remaining_partitions] TAG_BUFFER 
  error_code => INT16
  remaining_partitions => topic_name partition_index TAG_BUFFER 
    topic_name => COMPACT_STRING
    partition_index => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>error_code</td><td>The top-level error code.</td></tr>
<tr>
<td>remaining_partitions</td><td>The partitions that the broker still leads.</td></tr>
<tr>
<td>topic_name</td><td>The name of the topic.</td></tr>
<tr>
<td>partition_index</td><td>The index of the partition.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<h5><a name="The_Messages_OffsetCommit">OffsetCommit API (Key: 8):</a></h5>

<b>Requests:</b><br>
<p><pre>OffsetCommit Request (Version: 0) => group_id [topics] 
  group_id => STRING
  topics => name [partitions] 
    name => STRING
    partitions => partition_index committed_offset committed_metadata 
      partition_index => INT32
      committed_offset => INT64
      committed_metadata => NULLABLE_STRING
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>group_id</td><td>The unique group identifier.</td></tr>
<tr>
<td>topics</td><td>The topics to commit offsets for.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>partitions</td><td>Each partition to commit offsets for.</td></tr>
<tr>
<td>partition_index</td><td>The partition index.</td></tr>
<tr>
<td>committed_offset</td><td>The message offset to be committed.</td></tr>
<tr>
<td>committed_metadata</td><td>Any associated metadata the client wants to keep.</td></tr>
</table>
</p>
<p><pre>OffsetCommit Request (Version: 1) => group_id generation_id member_id [topics] 
  group_id => STRING
  generation_id => INT32
  member_id => STRING
  topics => name [partitions] 
    name => STRING
    partitions => partition_index committed_offset commit_timestamp committed_metadata 
      partition_index => INT32
      committed_offset => INT64
      commit_timestamp => INT64
      committed_metadata => NULLABLE_STRING
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>group_id</td><td>The unique group identifier.</td></tr>
<tr>
<td>generation_id</td><td>The generation of the group.</td></tr>
<tr>
<td>member_id</td><td>The member ID assigned by the group coordinator.</td></tr>
<tr>
<td>topics</td><td>The topics to commit offsets for.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>partitions</td><td>Each partition to commit offsets for.</td></tr>
<tr>
<td>partition_index</td><td>The partition index.</td></tr>
<tr>
<td>committed_offset</td><td>The message offset to be committed.</td></tr>
<tr>
<td>commit_timestamp</td><td>The timestamp of the commit.</td></tr>
<tr>
<td>committed_metadata</td><td>Any associated metadata the client wants to keep.</td></tr>
</table>
</p>
<p><pre>OffsetCommit Request (Version: 2) => group_id generation_id member_id retention_time_ms [topics] 
  group_id => STRING
  generation_id => INT32
  member_id => STRING
  retention_time_ms => INT64
  topics => name [partitions] 
    name => STRING
    partitions => partition_index committed_offset committed_metadata 
      partition_index => INT32
      committed_offset => INT64
      committed_metadata => NULLABLE_STRING
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>group_id</td><td>The unique group identifier.</td></tr>
<tr>
<td>generation_id</td><td>The generation of the group.</td></tr>
<tr>
<td>member_id</td><td>The member ID assigned by the group coordinator.</td></tr>
<tr>
<td>retention_time_ms</td><td>The time period in ms to retain the offset.</td></tr>
<tr>
<td>topics</td><td>The topics to commit offsets for.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>partitions</td><td>Each partition to commit offsets for.</td></tr>
<tr>
<td>partition_index</td><td>The partition index.</td></tr>
<tr>
<td>committed_offset</td><td>The message offset to be committed.</td></tr>
<tr>
<td>committed_metadata</td><td>Any associated metadata the client wants to keep.</td></tr>
</table>
</p>
<p><pre>OffsetCommit Request (Version: 3) => group_id generation_id member_id retention_time_ms [topics] 
  group_id => STRING
  generation_id => INT32
  member_id => STRING
  retention_time_ms => INT64
  topics => name [partitions] 
    name => STRING
    partitions => partition_index committed_offset committed_metadata 
      partition_index => INT32
      committed_offset => INT64
      committed_metadata => NULLABLE_STRING
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>group_id</td><td>The unique group identifier.</td></tr>
<tr>
<td>generation_id</td><td>The generation of the group.</td></tr>
<tr>
<td>member_id</td><td>The member ID assigned by the group coordinator.</td></tr>
<tr>
<td>retention_time_ms</td><td>The time period in ms to retain the offset.</td></tr>
<tr>
<td>topics</td><td>The topics to commit offsets for.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>partitions</td><td>Each partition to commit offsets for.</td></tr>
<tr>
<td>partition_index</td><td>The partition index.</td></tr>
<tr>
<td>committed_offset</td><td>The message offset to be committed.</td></tr>
<tr>
<td>committed_metadata</td><td>Any associated metadata the client wants to keep.</td></tr>
</table>
</p>
<p><pre>OffsetCommit Request (Version: 4) => group_id generation_id member_id retention_time_ms [topics] 
  group_id => STRING
  generation_id => INT32
  member_id => STRING
  retention_time_ms => INT64
  topics => name [partitions] 
    name => STRING
    partitions => partition_index committed_offset committed_metadata 
      partition_index => INT32
      committed_offset => INT64
      committed_metadata => NULLABLE_STRING
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>group_id</td><td>The unique group identifier.</td></tr>
<tr>
<td>generation_id</td><td>The generation of the group.</td></tr>
<tr>
<td>member_id</td><td>The member ID assigned by the group coordinator.</td></tr>
<tr>
<td>retention_time_ms</td><td>The time period in ms to retain the offset.</td></tr>
<tr>
<td>topics</td><td>The topics to commit offsets for.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>partitions</td><td>Each partition to commit offsets for.</td></tr>
<tr>
<td>partition_index</td><td>The partition index.</td></tr>
<tr>
<td>committed_offset</td><td>The message offset to be committed.</td></tr>
<tr>
<td>committed_metadata</td><td>Any associated metadata the client wants to keep.</td></tr>
</table>
</p>
<p><pre>OffsetCommit Request (Version: 5) => group_id generation_id member_id [topics] 
  group_id => STRING
  generation_id => INT32
  member_id => STRING
  topics => name [partitions] 
    name => STRING
    partitions => partition_index committed_offset committed_metadata 
      partition_index => INT32
      committed_offset => INT64
      committed_metadata => NULLABLE_STRING
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>group_id</td><td>The unique group identifier.</td></tr>
<tr>
<td>generation_id</td><td>The generation of the group.</td></tr>
<tr>
<td>member_id</td><td>The member ID assigned by the group coordinator.</td></tr>
<tr>
<td>topics</td><td>The topics to commit offsets for.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>partitions</td><td>Each partition to commit offsets for.</td></tr>
<tr>
<td>partition_index</td><td>The partition index.</td></tr>
<tr>
<td>committed_offset</td><td>The message offset to be committed.</td></tr>
<tr>
<td>committed_metadata</td><td>Any associated metadata the client wants to keep.</td></tr>
</table>
</p>
<p><pre>OffsetCommit Request (Version: 6) => group_id generation_id member_id [topics] 
  group_id => STRING
  generation_id => INT32
  member_id => STRING
  topics => name [partitions] 
    name => STRING
    partitions => partition_index committed_offset committed_leader_epoch committed_metadata 
      partition_index => INT32
      committed_offset => INT64
      committed_leader_epoch => INT32
      committed_metadata => NULLABLE_STRING
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>group_id</td><td>The unique group identifier.</td></tr>
<tr>
<td>generation_id</td><td>The generation of the group.</td></tr>
<tr>
<td>member_id</td><td>The member ID assigned by the group coordinator.</td></tr>
<tr>
<td>topics</td><td>The topics to commit offsets for.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>partitions</td><td>Each partition to commit offsets for.</td></tr>
<tr>
<td>partition_index</td><td>The partition index.</td></tr>
<tr>
<td>committed_offset</td><td>The message offset to be committed.</td></tr>
<tr>
<td>committed_leader_epoch</td><td>The leader epoch of this partition.</td></tr>
<tr>
<td>committed_metadata</td><td>Any associated metadata the client wants to keep.</td></tr>
</table>
</p>
<p><pre>OffsetCommit Request (Version: 7) => group_id generation_id member_id group_instance_id [topics] 
  group_id => STRING
  generation_id => INT32
  member_id => STRING
  group_instance_id => NULLABLE_STRING
  topics => name [partitions] 
    name => STRING
    partitions => partition_index committed_offset committed_leader_epoch committed_metadata 
      partition_index => INT32
      committed_offset => INT64
      committed_leader_epoch => INT32
      committed_metadata => NULLABLE_STRING
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>group_id</td><td>The unique group identifier.</td></tr>
<tr>
<td>generation_id</td><td>The generation of the group.</td></tr>
<tr>
<td>member_id</td><td>The member ID assigned by the group coordinator.</td></tr>
<tr>
<td>group_instance_id</td><td>The unique identifier of the consumer instance provided by end user.</td></tr>
<tr>
<td>topics</td><td>The topics to commit offsets for.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>partitions</td><td>Each partition to commit offsets for.</td></tr>
<tr>
<td>partition_index</td><td>The partition index.</td></tr>
<tr>
<td>committed_offset</td><td>The message offset to be committed.</td></tr>
<tr>
<td>committed_leader_epoch</td><td>The leader epoch of this partition.</td></tr>
<tr>
<td>committed_metadata</td><td>Any associated metadata the client wants to keep.</td></tr>
</table>
</p>
<p><pre>OffsetCommit Request (Version: 8) => group_id generation_id member_id group_instance_id [topics] TAG_BUFFER 
  group_id => COMPACT_STRING
  generation_id => INT32
  member_id => COMPACT_STRING
  group_instance_id => COMPACT_NULLABLE_STRING
  topics => name [partitions] TAG_BUFFER 
    name => COMPACT_STRING
    partitions => partition_index committed_offset committed_leader_epoch committed_metadata TAG_BUFFER 
      partition_index => INT32
      committed_offset => INT64
      committed_leader_epoch => INT32
      committed_metadata => COMPACT_NULLABLE_STRING
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>group_id</td><td>The unique group identifier.</td></tr>
<tr>
<td>generation_id</td><td>The generation of the group.</td></tr>
<tr>
<td>member_id</td><td>The member ID assigned by the group coordinator.</td></tr>
<tr>
<td>group_instance_id</td><td>The unique identifier of the consumer instance provided by end user.</td></tr>
<tr>
<td>topics</td><td>The topics to commit offsets for.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>partitions</td><td>Each partition to commit offsets for.</td></tr>
<tr>
<td>partition_index</td><td>The partition index.</td></tr>
<tr>
<td>committed_offset</td><td>The message offset to be committed.</td></tr>
<tr>
<td>committed_leader_epoch</td><td>The leader epoch of this partition.</td></tr>
<tr>
<td>committed_metadata</td><td>Any associated metadata the client wants to keep.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<b>Responses:</b><br>
<p><pre>OffsetCommit Response (Version: 0) => [topics] 
  topics => name [partitions] 
    name => STRING
    partitions => partition_index error_code 
      partition_index => INT32
      error_code => INT16
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>topics</td><td>The responses for each topic.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>partitions</td><td>The responses for each partition in the topic.</td></tr>
<tr>
<td>partition_index</td><td>The partition index.</td></tr>
<tr>
<td>error_code</td><td>The error code, or 0 if there was no error.</td></tr>
</table>
</p>
<p><pre>OffsetCommit Response (Version: 1) => [topics] 
  topics => name [partitions] 
    name => STRING
    partitions => partition_index error_code 
      partition_index => INT32
      error_code => INT16
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>topics</td><td>The responses for each topic.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>partitions</td><td>The responses for each partition in the topic.</td></tr>
<tr>
<td>partition_index</td><td>The partition index.</td></tr>
<tr>
<td>error_code</td><td>The error code, or 0 if there was no error.</td></tr>
</table>
</p>
<p><pre>OffsetCommit Response (Version: 2) => [topics] 
  topics => name [partitions] 
    name => STRING
    partitions => partition_index error_code 
      partition_index => INT32
      error_code => INT16
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>topics</td><td>The responses for each topic.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>partitions</td><td>The responses for each partition in the topic.</td></tr>
<tr>
<td>partition_index</td><td>The partition index.</td></tr>
<tr>
<td>error_code</td><td>The error code, or 0 if there was no error.</td></tr>
</table>
</p>
<p><pre>OffsetCommit Response (Version: 3) => throttle_time_ms [topics] 
  throttle_time_ms => INT32
  topics => name [partitions] 
    name => STRING
    partitions => partition_index error_code 
      partition_index => INT32
      error_code => INT16
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>topics</td><td>The responses for each topic.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>partitions</td><td>The responses for each partition in the topic.</td></tr>
<tr>
<td>partition_index</td><td>The partition index.</td></tr>
<tr>
<td>error_code</td><td>The error code, or 0 if there was no error.</td></tr>
</table>
</p>
<p><pre>OffsetCommit Response (Version: 4) => throttle_time_ms [topics] 
  throttle_time_ms => INT32
  topics => name [partitions] 
    name => STRING
    partitions => partition_index error_code 
      partition_index => INT32
      error_code => INT16
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>topics</td><td>The responses for each topic.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>partitions</td><td>The responses for each partition in the topic.</td></tr>
<tr>
<td>partition_index</td><td>The partition index.</td></tr>
<tr>
<td>error_code</td><td>The error code, or 0 if there was no error.</td></tr>
</table>
</p>
<p><pre>OffsetCommit Response (Version: 5) => throttle_time_ms [topics] 
  throttle_time_ms => INT32
  topics => name [partitions] 
    name => STRING
    partitions => partition_index error_code 
      partition_index => INT32
      error_code => INT16
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>topics</td><td>The responses for each topic.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>partitions</td><td>The responses for each partition in the topic.</td></tr>
<tr>
<td>partition_index</td><td>The partition index.</td></tr>
<tr>
<td>error_code</td><td>The error code, or 0 if there was no error.</td></tr>
</table>
</p>
<p><pre>OffsetCommit Response (Version: 6) => throttle_time_ms [topics] 
  throttle_time_ms => INT32
  topics => name [partitions] 
    name => STRING
    partitions => partition_index error_code 
      partition_index => INT32
      error_code => INT16
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>topics</td><td>The responses for each topic.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>partitions</td><td>The responses for each partition in the topic.</td></tr>
<tr>
<td>partition_index</td><td>The partition index.</td></tr>
<tr>
<td>error_code</td><td>The error code, or 0 if there was no error.</td></tr>
</table>
</p>
<p><pre>OffsetCommit Response (Version: 7) => throttle_time_ms [topics] 
  throttle_time_ms => INT32
  topics => name [partitions] 
    name => STRING
    partitions => partition_index error_code 
      partition_index => INT32
      error_code => INT16
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>topics</td><td>The responses for each topic.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>partitions</td><td>The responses for each partition in the topic.</td></tr>
<tr>
<td>partition_index</td><td>The partition index.</td></tr>
<tr>
<td>error_code</td><td>The error code, or 0 if there was no error.</td></tr>
</table>
</p>
<p><pre>OffsetCommit Response (Version: 8) => throttle_time_ms [topics] TAG_BUFFER 
  throttle_time_ms => INT32
  topics => name [partitions] TAG_BUFFER 
    name => COMPACT_STRING
    partitions => partition_index error_code TAG_BUFFER 
      partition_index => INT32
      error_code => INT16
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>topics</td><td>The responses for each topic.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>partitions</td><td>The responses for each partition in the topic.</td></tr>
<tr>
<td>partition_index</td><td>The partition index.</td></tr>
<tr>
<td>error_code</td><td>The error code, or 0 if there was no error.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<h5><a name="The_Messages_OffsetFetch">OffsetFetch API (Key: 9):</a></h5>

<b>Requests:</b><br>
<p><pre>OffsetFetch Request (Version: 0) => group_id [topics] 
  group_id => STRING
  topics => name [partition_indexes] 
    name => STRING
    partition_indexes => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>group_id</td><td>The group to fetch offsets for.</td></tr>
<tr>
<td>topics</td><td>Each topic we would like to fetch offsets for, or null to fetch offsets for all topics.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>partition_indexes</td><td>The partition indexes we would like to fetch offsets for.</td></tr>
</table>
</p>
<p><pre>OffsetFetch Request (Version: 1) => group_id [topics] 
  group_id => STRING
  topics => name [partition_indexes] 
    name => STRING
    partition_indexes => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>group_id</td><td>The group to fetch offsets for.</td></tr>
<tr>
<td>topics</td><td>Each topic we would like to fetch offsets for, or null to fetch offsets for all topics.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>partition_indexes</td><td>The partition indexes we would like to fetch offsets for.</td></tr>
</table>
</p>
<p><pre>OffsetFetch Request (Version: 2) => group_id [topics] 
  group_id => STRING
  topics => name [partition_indexes] 
    name => STRING
    partition_indexes => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>group_id</td><td>The group to fetch offsets for.</td></tr>
<tr>
<td>topics</td><td>Each topic we would like to fetch offsets for, or null to fetch offsets for all topics.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>partition_indexes</td><td>The partition indexes we would like to fetch offsets for.</td></tr>
</table>
</p>
<p><pre>OffsetFetch Request (Version: 3) => group_id [topics] 
  group_id => STRING
  topics => name [partition_indexes] 
    name => STRING
    partition_indexes => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>group_id</td><td>The group to fetch offsets for.</td></tr>
<tr>
<td>topics</td><td>Each topic we would like to fetch offsets for, or null to fetch offsets for all topics.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>partition_indexes</td><td>The partition indexes we would like to fetch offsets for.</td></tr>
</table>
</p>
<p><pre>OffsetFetch Request (Version: 4) => group_id [topics] 
  group_id => STRING
  topics => name [partition_indexes] 
    name => STRING
    partition_indexes => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>group_id</td><td>The group to fetch offsets for.</td></tr>
<tr>
<td>topics</td><td>Each topic we would like to fetch offsets for, or null to fetch offsets for all topics.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>partition_indexes</td><td>The partition indexes we would like to fetch offsets for.</td></tr>
</table>
</p>
<p><pre>OffsetFetch Request (Version: 5) => group_id [topics] 
  group_id => STRING
  topics => name [partition_indexes] 
    name => STRING
    partition_indexes => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>group_id</td><td>The group to fetch offsets for.</td></tr>
<tr>
<td>topics</td><td>Each topic we would like to fetch offsets for, or null to fetch offsets for all topics.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>partition_indexes</td><td>The partition indexes we would like to fetch offsets for.</td></tr>
</table>
</p>
<p><pre>OffsetFetch Request (Version: 6) => group_id [topics] TAG_BUFFER 
  group_id => COMPACT_STRING
  topics => name [partition_indexes] TAG_BUFFER 
    name => COMPACT_STRING
    partition_indexes => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>group_id</td><td>The group to fetch offsets for.</td></tr>
<tr>
<td>topics</td><td>Each topic we would like to fetch offsets for, or null to fetch offsets for all topics.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>partition_indexes</td><td>The partition indexes we would like to fetch offsets for.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<p><pre>OffsetFetch Request (Version: 7) => group_id [topics] require_stable TAG_BUFFER 
  group_id => COMPACT_STRING
  topics => name [partition_indexes] TAG_BUFFER 
    name => COMPACT_STRING
    partition_indexes => INT32
  require_stable => BOOLEAN
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>group_id</td><td>The group to fetch offsets for.</td></tr>
<tr>
<td>topics</td><td>Each topic we would like to fetch offsets for, or null to fetch offsets for all topics.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>partition_indexes</td><td>The partition indexes we would like to fetch offsets for.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>require_stable</td><td>Whether broker should hold on returning unstable offsets but set a retriable error code for the partition.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<b>Responses:</b><br>
<p><pre>OffsetFetch Response (Version: 0) => [topics] 
  topics => name [partitions] 
    name => STRING
    partitions => partition_index committed_offset metadata error_code 
      partition_index => INT32
      committed_offset => INT64
      metadata => NULLABLE_STRING
      error_code => INT16
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>topics</td><td>The responses per topic.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>partitions</td><td>The responses per partition</td></tr>
<tr>
<td>partition_index</td><td>The partition index.</td></tr>
<tr>
<td>committed_offset</td><td>The committed message offset.</td></tr>
<tr>
<td>metadata</td><td>The partition metadata.</td></tr>
<tr>
<td>error_code</td><td>The error code, or 0 if there was no error.</td></tr>
</table>
</p>
<p><pre>OffsetFetch Response (Version: 1) => [topics] 
  topics => name [partitions] 
    name => STRING
    partitions => partition_index committed_offset metadata error_code 
      partition_index => INT32
      committed_offset => INT64
      metadata => NULLABLE_STRING
      error_code => INT16
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>topics</td><td>The responses per topic.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>partitions</td><td>The responses per partition</td></tr>
<tr>
<td>partition_index</td><td>The partition index.</td></tr>
<tr>
<td>committed_offset</td><td>The committed message offset.</td></tr>
<tr>
<td>metadata</td><td>The partition metadata.</td></tr>
<tr>
<td>error_code</td><td>The error code, or 0 if there was no error.</td></tr>
</table>
</p>
<p><pre>OffsetFetch Response (Version: 2) => [topics] error_code 
  topics => name [partitions] 
    name => STRING
    partitions => partition_index committed_offset metadata error_code 
      partition_index => INT32
      committed_offset => INT64
      metadata => NULLABLE_STRING
      error_code => INT16
  error_code => INT16
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>topics</td><td>The responses per topic.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>partitions</td><td>The responses per partition</td></tr>
<tr>
<td>partition_index</td><td>The partition index.</td></tr>
<tr>
<td>committed_offset</td><td>The committed message offset.</td></tr>
<tr>
<td>metadata</td><td>The partition metadata.</td></tr>
<tr>
<td>error_code</td><td>The error code, or 0 if there was no error.</td></tr>
<tr>
<td>error_code</td><td>The top-level error code, or 0 if there was no error.</td></tr>
</table>
</p>
<p><pre>OffsetFetch Response (Version: 3) => throttle_time_ms [topics] error_code 
  throttle_time_ms => INT32
  topics => name [partitions] 
    name => STRING
    partitions => partition_index committed_offset metadata error_code 
      partition_index => INT32
      committed_offset => INT64
      metadata => NULLABLE_STRING
      error_code => INT16
  error_code => INT16
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>topics</td><td>The responses per topic.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>partitions</td><td>The responses per partition</td></tr>
<tr>
<td>partition_index</td><td>The partition index.</td></tr>
<tr>
<td>committed_offset</td><td>The committed message offset.</td></tr>
<tr>
<td>metadata</td><td>The partition metadata.</td></tr>
<tr>
<td>error_code</td><td>The error code, or 0 if there was no error.</td></tr>
<tr>
<td>error_code</td><td>The top-level error code, or 0 if there was no error.</td></tr>
</table>
</p>
<p><pre>OffsetFetch Response (Version: 4) => throttle_time_ms [topics] error_code 
  throttle_time_ms => INT32
  topics => name [partitions] 
    name => STRING
    partitions => partition_index committed_offset metadata error_code 
      partition_index => INT32
      committed_offset => INT64
      metadata => NULLABLE_STRING
      error_code => INT16
  error_code => INT16
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>topics</td><td>The responses per topic.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>partitions</td><td>The responses per partition</td></tr>
<tr>
<td>partition_index</td><td>The partition index.</td></tr>
<tr>
<td>committed_offset</td><td>The committed message offset.</td></tr>
<tr>
<td>metadata</td><td>The partition metadata.</td></tr>
<tr>
<td>error_code</td><td>The error code, or 0 if there was no error.</td></tr>
<tr>
<td>error_code</td><td>The top-level error code, or 0 if there was no error.</td></tr>
</table>
</p>
<p><pre>OffsetFetch Response (Version: 5) => throttle_time_ms [topics] error_code 
  throttle_time_ms => INT32
  topics => name [partitions] 
    name => STRING
    partitions => partition_index committed_offset committed_leader_epoch metadata error_code 
      partition_index => INT32
      committed_offset => INT64
      committed_leader_epoch => INT32
      metadata => NULLABLE_STRING
      error_code => INT16
  error_code => INT16
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>topics</td><td>The responses per topic.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>partitions</td><td>The responses per partition</td></tr>
<tr>
<td>partition_index</td><td>The partition index.</td></tr>
<tr>
<td>committed_offset</td><td>The committed message offset.</td></tr>
<tr>
<td>committed_leader_epoch</td><td>The leader epoch.</td></tr>
<tr>
<td>metadata</td><td>The partition metadata.</td></tr>
<tr>
<td>error_code</td><td>The error code, or 0 if there was no error.</td></tr>
<tr>
<td>error_code</td><td>The top-level error code, or 0 if there was no error.</td></tr>
</table>
</p>
<p><pre>OffsetFetch Response (Version: 6) => throttle_time_ms [topics] error_code TAG_BUFFER 
  throttle_time_ms => INT32
  topics => name [partitions] TAG_BUFFER 
    name => COMPACT_STRING
    partitions => partition_index committed_offset committed_leader_epoch metadata error_code TAG_BUFFER 
      partition_index => INT32
      committed_offset => INT64
      committed_leader_epoch => INT32
      metadata => COMPACT_NULLABLE_STRING
      error_code => INT16
  error_code => INT16
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>topics</td><td>The responses per topic.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>partitions</td><td>The responses per partition</td></tr>
<tr>
<td>partition_index</td><td>The partition index.</td></tr>
<tr>
<td>committed_offset</td><td>The committed message offset.</td></tr>
<tr>
<td>committed_leader_epoch</td><td>The leader epoch.</td></tr>
<tr>
<td>metadata</td><td>The partition metadata.</td></tr>
<tr>
<td>error_code</td><td>The error code, or 0 if there was no error.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>error_code</td><td>The top-level error code, or 0 if there was no error.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<p><pre>OffsetFetch Response (Version: 7) => throttle_time_ms [topics] error_code TAG_BUFFER 
  throttle_time_ms => INT32
  topics => name [partitions] TAG_BUFFER 
    name => COMPACT_STRING
    partitions => partition_index committed_offset committed_leader_epoch metadata error_code TAG_BUFFER 
      partition_index => INT32
      committed_offset => INT64
      committed_leader_epoch => INT32
      metadata => COMPACT_NULLABLE_STRING
      error_code => INT16
  error_code => INT16
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>topics</td><td>The responses per topic.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>partitions</td><td>The responses per partition</td></tr>
<tr>
<td>partition_index</td><td>The partition index.</td></tr>
<tr>
<td>committed_offset</td><td>The committed message offset.</td></tr>
<tr>
<td>committed_leader_epoch</td><td>The leader epoch.</td></tr>
<tr>
<td>metadata</td><td>The partition metadata.</td></tr>
<tr>
<td>error_code</td><td>The error code, or 0 if there was no error.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>error_code</td><td>The top-level error code, or 0 if there was no error.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<h5><a name="The_Messages_FindCoordinator">FindCoordinator API (Key: 10):</a></h5>

<b>Requests:</b><br>
<p><pre>FindCoordinator Request (Version: 0) => key 
  key => STRING
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>key</td><td>The coordinator key.</td></tr>
</table>
</p>
<p><pre>FindCoordinator Request (Version: 1) => key key_type 
  key => STRING
  key_type => INT8
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>key</td><td>The coordinator key.</td></tr>
<tr>
<td>key_type</td><td>The coordinator key type.  (Group, transaction, etc.)</td></tr>
</table>
</p>
<p><pre>FindCoordinator Request (Version: 2) => key key_type 
  key => STRING
  key_type => INT8
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>key</td><td>The coordinator key.</td></tr>
<tr>
<td>key_type</td><td>The coordinator key type.  (Group, transaction, etc.)</td></tr>
</table>
</p>
<p><pre>FindCoordinator Request (Version: 3) => key key_type TAG_BUFFER 
  key => COMPACT_STRING
  key_type => INT8
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>key</td><td>The coordinator key.</td></tr>
<tr>
<td>key_type</td><td>The coordinator key type.  (Group, transaction, etc.)</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<b>Responses:</b><br>
<p><pre>FindCoordinator Response (Version: 0) => error_code node_id host port 
  error_code => INT16
  node_id => INT32
  host => STRING
  port => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>error_code</td><td>The error code, or 0 if there was no error.</td></tr>
<tr>
<td>node_id</td><td>The node id.</td></tr>
<tr>
<td>host</td><td>The host name.</td></tr>
<tr>
<td>port</td><td>The port.</td></tr>
</table>
</p>
<p><pre>FindCoordinator Response (Version: 1) => throttle_time_ms error_code error_message node_id host port 
  throttle_time_ms => INT32
  error_code => INT16
  error_message => NULLABLE_STRING
  node_id => INT32
  host => STRING
  port => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>error_code</td><td>The error code, or 0 if there was no error.</td></tr>
<tr>
<td>error_message</td><td>The error message, or null if there was no error.</td></tr>
<tr>
<td>node_id</td><td>The node id.</td></tr>
<tr>
<td>host</td><td>The host name.</td></tr>
<tr>
<td>port</td><td>The port.</td></tr>
</table>
</p>
<p><pre>FindCoordinator Response (Version: 2) => throttle_time_ms error_code error_message node_id host port 
  throttle_time_ms => INT32
  error_code => INT16
  error_message => NULLABLE_STRING
  node_id => INT32
  host => STRING
  port => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>error_code</td><td>The error code, or 0 if there was no error.</td></tr>
<tr>
<td>error_message</td><td>The error message, or null if there was no error.</td></tr>
<tr>
<td>node_id</td><td>The node id.</td></tr>
<tr>
<td>host</td><td>The host name.</td></tr>
<tr>
<td>port</td><td>The port.</td></tr>
</table>
</p>
<p><pre>FindCoordinator Response (Version: 3) => throttle_time_ms error_code error_message node_id host port TAG_BUFFER 
  throttle_time_ms => INT32
  error_code => INT16
  error_message => COMPACT_NULLABLE_STRING
  node_id => INT32
  host => COMPACT_STRING
  port => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>error_code</td><td>The error code, or 0 if there was no error.</td></tr>
<tr>
<td>error_message</td><td>The error message, or null if there was no error.</td></tr>
<tr>
<td>node_id</td><td>The node id.</td></tr>
<tr>
<td>host</td><td>The host name.</td></tr>
<tr>
<td>port</td><td>The port.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<h5><a name="The_Messages_JoinGroup">JoinGroup API (Key: 11):</a></h5>

<b>Requests:</b><br>
<p><pre>JoinGroup Request (Version: 0) => group_id session_timeout_ms member_id protocol_type [protocols] 
  group_id => STRING
  session_timeout_ms => INT32
  member_id => STRING
  protocol_type => STRING
  protocols => name metadata 
    name => STRING
    metadata => BYTES
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>group_id</td><td>The group identifier.</td></tr>
<tr>
<td>session_timeout_ms</td><td>The coordinator considers the consumer dead if it receives no heartbeat after this timeout in milliseconds.</td></tr>
<tr>
<td>member_id</td><td>The member id assigned by the group coordinator.</td></tr>
<tr>
<td>protocol_type</td><td>The unique name the for class of protocols implemented by the group we want to join.</td></tr>
<tr>
<td>protocols</td><td>The list of protocols that the member supports.</td></tr>
<tr>
<td>name</td><td>The protocol name.</td></tr>
<tr>
<td>metadata</td><td>The protocol metadata.</td></tr>
</table>
</p>
<p><pre>JoinGroup Request (Version: 1) => group_id session_timeout_ms rebalance_timeout_ms member_id protocol_type [protocols] 
  group_id => STRING
  session_timeout_ms => INT32
  rebalance_timeout_ms => INT32
  member_id => STRING
  protocol_type => STRING
  protocols => name metadata 
    name => STRING
    metadata => BYTES
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>group_id</td><td>The group identifier.</td></tr>
<tr>
<td>session_timeout_ms</td><td>The coordinator considers the consumer dead if it receives no heartbeat after this timeout in milliseconds.</td></tr>
<tr>
<td>rebalance_timeout_ms</td><td>The maximum time in milliseconds that the coordinator will wait for each member to rejoin when rebalancing the group.</td></tr>
<tr>
<td>member_id</td><td>The member id assigned by the group coordinator.</td></tr>
<tr>
<td>protocol_type</td><td>The unique name the for class of protocols implemented by the group we want to join.</td></tr>
<tr>
<td>protocols</td><td>The list of protocols that the member supports.</td></tr>
<tr>
<td>name</td><td>The protocol name.</td></tr>
<tr>
<td>metadata</td><td>The protocol metadata.</td></tr>
</table>
</p>
<p><pre>JoinGroup Request (Version: 2) => group_id session_timeout_ms rebalance_timeout_ms member_id protocol_type [protocols] 
  group_id => STRING
  session_timeout_ms => INT32
  rebalance_timeout_ms => INT32
  member_id => STRING
  protocol_type => STRING
  protocols => name metadata 
    name => STRING
    metadata => BYTES
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>group_id</td><td>The group identifier.</td></tr>
<tr>
<td>session_timeout_ms</td><td>The coordinator considers the consumer dead if it receives no heartbeat after this timeout in milliseconds.</td></tr>
<tr>
<td>rebalance_timeout_ms</td><td>The maximum time in milliseconds that the coordinator will wait for each member to rejoin when rebalancing the group.</td></tr>
<tr>
<td>member_id</td><td>The member id assigned by the group coordinator.</td></tr>
<tr>
<td>protocol_type</td><td>The unique name the for class of protocols implemented by the group we want to join.</td></tr>
<tr>
<td>protocols</td><td>The list of protocols that the member supports.</td></tr>
<tr>
<td>name</td><td>The protocol name.</td></tr>
<tr>
<td>metadata</td><td>The protocol metadata.</td></tr>
</table>
</p>
<p><pre>JoinGroup Request (Version: 3) => group_id session_timeout_ms rebalance_timeout_ms member_id protocol_type [protocols] 
  group_id => STRING
  session_timeout_ms => INT32
  rebalance_timeout_ms => INT32
  member_id => STRING
  protocol_type => STRING
  protocols => name metadata 
    name => STRING
    metadata => BYTES
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>group_id</td><td>The group identifier.</td></tr>
<tr>
<td>session_timeout_ms</td><td>The coordinator considers the consumer dead if it receives no heartbeat after this timeout in milliseconds.</td></tr>
<tr>
<td>rebalance_timeout_ms</td><td>The maximum time in milliseconds that the coordinator will wait for each member to rejoin when rebalancing the group.</td></tr>
<tr>
<td>member_id</td><td>The member id assigned by the group coordinator.</td></tr>
<tr>
<td>protocol_type</td><td>The unique name the for class of protocols implemented by the group we want to join.</td></tr>
<tr>
<td>protocols</td><td>The list of protocols that the member supports.</td></tr>
<tr>
<td>name</td><td>The protocol name.</td></tr>
<tr>
<td>metadata</td><td>The protocol metadata.</td></tr>
</table>
</p>
<p><pre>JoinGroup Request (Version: 4) => group_id session_timeout_ms rebalance_timeout_ms member_id protocol_type [protocols] 
  group_id => STRING
  session_timeout_ms => INT32
  rebalance_timeout_ms => INT32
  member_id => STRING
  protocol_type => STRING
  protocols => name metadata 
    name => STRING
    metadata => BYTES
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>group_id</td><td>The group identifier.</td></tr>
<tr>
<td>session_timeout_ms</td><td>The coordinator considers the consumer dead if it receives no heartbeat after this timeout in milliseconds.</td></tr>
<tr>
<td>rebalance_timeout_ms</td><td>The maximum time in milliseconds that the coordinator will wait for each member to rejoin when rebalancing the group.</td></tr>
<tr>
<td>member_id</td><td>The member id assigned by the group coordinator.</td></tr>
<tr>
<td>protocol_type</td><td>The unique name the for class of protocols implemented by the group we want to join.</td></tr>
<tr>
<td>protocols</td><td>The list of protocols that the member supports.</td></tr>
<tr>
<td>name</td><td>The protocol name.</td></tr>
<tr>
<td>metadata</td><td>The protocol metadata.</td></tr>
</table>
</p>
<p><pre>JoinGroup Request (Version: 5) => group_id session_timeout_ms rebalance_timeout_ms member_id group_instance_id protocol_type [protocols] 
  group_id => STRING
  session_timeout_ms => INT32
  rebalance_timeout_ms => INT32
  member_id => STRING
  group_instance_id => NULLABLE_STRING
  protocol_type => STRING
  protocols => name metadata 
    name => STRING
    metadata => BYTES
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>group_id</td><td>The group identifier.</td></tr>
<tr>
<td>session_timeout_ms</td><td>The coordinator considers the consumer dead if it receives no heartbeat after this timeout in milliseconds.</td></tr>
<tr>
<td>rebalance_timeout_ms</td><td>The maximum time in milliseconds that the coordinator will wait for each member to rejoin when rebalancing the group.</td></tr>
<tr>
<td>member_id</td><td>The member id assigned by the group coordinator.</td></tr>
<tr>
<td>group_instance_id</td><td>The unique identifier of the consumer instance provided by end user.</td></tr>
<tr>
<td>protocol_type</td><td>The unique name the for class of protocols implemented by the group we want to join.</td></tr>
<tr>
<td>protocols</td><td>The list of protocols that the member supports.</td></tr>
<tr>
<td>name</td><td>The protocol name.</td></tr>
<tr>
<td>metadata</td><td>The protocol metadata.</td></tr>
</table>
</p>
<p><pre>JoinGroup Request (Version: 6) => group_id session_timeout_ms rebalance_timeout_ms member_id group_instance_id protocol_type [protocols] TAG_BUFFER 
  group_id => COMPACT_STRING
  session_timeout_ms => INT32
  rebalance_timeout_ms => INT32
  member_id => COMPACT_STRING
  group_instance_id => COMPACT_NULLABLE_STRING
  protocol_type => COMPACT_STRING
  protocols => name metadata TAG_BUFFER 
    name => COMPACT_STRING
    metadata => COMPACT_BYTES
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>group_id</td><td>The group identifier.</td></tr>
<tr>
<td>session_timeout_ms</td><td>The coordinator considers the consumer dead if it receives no heartbeat after this timeout in milliseconds.</td></tr>
<tr>
<td>rebalance_timeout_ms</td><td>The maximum time in milliseconds that the coordinator will wait for each member to rejoin when rebalancing the group.</td></tr>
<tr>
<td>member_id</td><td>The member id assigned by the group coordinator.</td></tr>
<tr>
<td>group_instance_id</td><td>The unique identifier of the consumer instance provided by end user.</td></tr>
<tr>
<td>protocol_type</td><td>The unique name the for class of protocols implemented by the group we want to join.</td></tr>
<tr>
<td>protocols</td><td>The list of protocols that the member supports.</td></tr>
<tr>
<td>name</td><td>The protocol name.</td></tr>
<tr>
<td>metadata</td><td>The protocol metadata.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<p><pre>JoinGroup Request (Version: 7) => group_id session_timeout_ms rebalance_timeout_ms member_id group_instance_id protocol_type [protocols] TAG_BUFFER 
  group_id => COMPACT_STRING
  session_timeout_ms => INT32
  rebalance_timeout_ms => INT32
  member_id => COMPACT_STRING
  group_instance_id => COMPACT_NULLABLE_STRING
  protocol_type => COMPACT_STRING
  protocols => name metadata TAG_BUFFER 
    name => COMPACT_STRING
    metadata => COMPACT_BYTES
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>group_id</td><td>The group identifier.</td></tr>
<tr>
<td>session_timeout_ms</td><td>The coordinator considers the consumer dead if it receives no heartbeat after this timeout in milliseconds.</td></tr>
<tr>
<td>rebalance_timeout_ms</td><td>The maximum time in milliseconds that the coordinator will wait for each member to rejoin when rebalancing the group.</td></tr>
<tr>
<td>member_id</td><td>The member id assigned by the group coordinator.</td></tr>
<tr>
<td>group_instance_id</td><td>The unique identifier of the consumer instance provided by end user.</td></tr>
<tr>
<td>protocol_type</td><td>The unique name the for class of protocols implemented by the group we want to join.</td></tr>
<tr>
<td>protocols</td><td>The list of protocols that the member supports.</td></tr>
<tr>
<td>name</td><td>The protocol name.</td></tr>
<tr>
<td>metadata</td><td>The protocol metadata.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<b>Responses:</b><br>
<p><pre>JoinGroup Response (Version: 0) => error_code generation_id protocol_name leader member_id [members] 
  error_code => INT16
  generation_id => INT32
  protocol_name => STRING
  leader => STRING
  member_id => STRING
  members => member_id metadata 
    member_id => STRING
    metadata => BYTES
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>error_code</td><td>The error code, or 0 if there was no error.</td></tr>
<tr>
<td>generation_id</td><td>The generation ID of the group.</td></tr>
<tr>
<td>protocol_name</td><td>The group protocol selected by the coordinator.</td></tr>
<tr>
<td>leader</td><td>The leader of the group.</td></tr>
<tr>
<td>member_id</td><td>The member ID assigned by the group coordinator.</td></tr>
<tr>
<td>members</td><td></td></tr>
<tr>
<td>member_id</td><td>The group member ID.</td></tr>
<tr>
<td>metadata</td><td>The group member metadata.</td></tr>
</table>
</p>
<p><pre>JoinGroup Response (Version: 1) => error_code generation_id protocol_name leader member_id [members] 
  error_code => INT16
  generation_id => INT32
  protocol_name => STRING
  leader => STRING
  member_id => STRING
  members => member_id metadata 
    member_id => STRING
    metadata => BYTES
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>error_code</td><td>The error code, or 0 if there was no error.</td></tr>
<tr>
<td>generation_id</td><td>The generation ID of the group.</td></tr>
<tr>
<td>protocol_name</td><td>The group protocol selected by the coordinator.</td></tr>
<tr>
<td>leader</td><td>The leader of the group.</td></tr>
<tr>
<td>member_id</td><td>The member ID assigned by the group coordinator.</td></tr>
<tr>
<td>members</td><td></td></tr>
<tr>
<td>member_id</td><td>The group member ID.</td></tr>
<tr>
<td>metadata</td><td>The group member metadata.</td></tr>
</table>
</p>
<p><pre>JoinGroup Response (Version: 2) => throttle_time_ms error_code generation_id protocol_name leader member_id [members] 
  throttle_time_ms => INT32
  error_code => INT16
  generation_id => INT32
  protocol_name => STRING
  leader => STRING
  member_id => STRING
  members => member_id metadata 
    member_id => STRING
    metadata => BYTES
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>error_code</td><td>The error code, or 0 if there was no error.</td></tr>
<tr>
<td>generation_id</td><td>The generation ID of the group.</td></tr>
<tr>
<td>protocol_name</td><td>The group protocol selected by the coordinator.</td></tr>
<tr>
<td>leader</td><td>The leader of the group.</td></tr>
<tr>
<td>member_id</td><td>The member ID assigned by the group coordinator.</td></tr>
<tr>
<td>members</td><td></td></tr>
<tr>
<td>member_id</td><td>The group member ID.</td></tr>
<tr>
<td>metadata</td><td>The group member metadata.</td></tr>
</table>
</p>
<p><pre>JoinGroup Response (Version: 3) => throttle_time_ms error_code generation_id protocol_name leader member_id [members] 
  throttle_time_ms => INT32
  error_code => INT16
  generation_id => INT32
  protocol_name => STRING
  leader => STRING
  member_id => STRING
  members => member_id metadata 
    member_id => STRING
    metadata => BYTES
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>error_code</td><td>The error code, or 0 if there was no error.</td></tr>
<tr>
<td>generation_id</td><td>The generation ID of the group.</td></tr>
<tr>
<td>protocol_name</td><td>The group protocol selected by the coordinator.</td></tr>
<tr>
<td>leader</td><td>The leader of the group.</td></tr>
<tr>
<td>member_id</td><td>The member ID assigned by the group coordinator.</td></tr>
<tr>
<td>members</td><td></td></tr>
<tr>
<td>member_id</td><td>The group member ID.</td></tr>
<tr>
<td>metadata</td><td>The group member metadata.</td></tr>
</table>
</p>
<p><pre>JoinGroup Response (Version: 4) => throttle_time_ms error_code generation_id protocol_name leader member_id [members] 
  throttle_time_ms => INT32
  error_code => INT16
  generation_id => INT32
  protocol_name => STRING
  leader => STRING
  member_id => STRING
  members => member_id metadata 
    member_id => STRING
    metadata => BYTES
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>error_code</td><td>The error code, or 0 if there was no error.</td></tr>
<tr>
<td>generation_id</td><td>The generation ID of the group.</td></tr>
<tr>
<td>protocol_name</td><td>The group protocol selected by the coordinator.</td></tr>
<tr>
<td>leader</td><td>The leader of the group.</td></tr>
<tr>
<td>member_id</td><td>The member ID assigned by the group coordinator.</td></tr>
<tr>
<td>members</td><td></td></tr>
<tr>
<td>member_id</td><td>The group member ID.</td></tr>
<tr>
<td>metadata</td><td>The group member metadata.</td></tr>
</table>
</p>
<p><pre>JoinGroup Response (Version: 5) => throttle_time_ms error_code generation_id protocol_name leader member_id [members] 
  throttle_time_ms => INT32
  error_code => INT16
  generation_id => INT32
  protocol_name => STRING
  leader => STRING
  member_id => STRING
  members => member_id group_instance_id metadata 
    member_id => STRING
    group_instance_id => NULLABLE_STRING
    metadata => BYTES
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>error_code</td><td>The error code, or 0 if there was no error.</td></tr>
<tr>
<td>generation_id</td><td>The generation ID of the group.</td></tr>
<tr>
<td>protocol_name</td><td>The group protocol selected by the coordinator.</td></tr>
<tr>
<td>leader</td><td>The leader of the group.</td></tr>
<tr>
<td>member_id</td><td>The member ID assigned by the group coordinator.</td></tr>
<tr>
<td>members</td><td></td></tr>
<tr>
<td>member_id</td><td>The group member ID.</td></tr>
<tr>
<td>group_instance_id</td><td>The unique identifier of the consumer instance provided by end user.</td></tr>
<tr>
<td>metadata</td><td>The group member metadata.</td></tr>
</table>
</p>
<p><pre>JoinGroup Response (Version: 6) => throttle_time_ms error_code generation_id protocol_name leader member_id [members] TAG_BUFFER 
  throttle_time_ms => INT32
  error_code => INT16
  generation_id => INT32
  protocol_name => COMPACT_STRING
  leader => COMPACT_STRING
  member_id => COMPACT_STRING
  members => member_id group_instance_id metadata TAG_BUFFER 
    member_id => COMPACT_STRING
    group_instance_id => COMPACT_NULLABLE_STRING
    metadata => COMPACT_BYTES
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>error_code</td><td>The error code, or 0 if there was no error.</td></tr>
<tr>
<td>generation_id</td><td>The generation ID of the group.</td></tr>
<tr>
<td>protocol_name</td><td>The group protocol selected by the coordinator.</td></tr>
<tr>
<td>leader</td><td>The leader of the group.</td></tr>
<tr>
<td>member_id</td><td>The member ID assigned by the group coordinator.</td></tr>
<tr>
<td>members</td><td></td></tr>
<tr>
<td>member_id</td><td>The group member ID.</td></tr>
<tr>
<td>group_instance_id</td><td>The unique identifier of the consumer instance provided by end user.</td></tr>
<tr>
<td>metadata</td><td>The group member metadata.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<p><pre>JoinGroup Response (Version: 7) => throttle_time_ms error_code generation_id protocol_type protocol_name leader member_id [members] TAG_BUFFER 
  throttle_time_ms => INT32
  error_code => INT16
  generation_id => INT32
  protocol_type => COMPACT_NULLABLE_STRING
  protocol_name => COMPACT_NULLABLE_STRING
  leader => COMPACT_STRING
  member_id => COMPACT_STRING
  members => member_id group_instance_id metadata TAG_BUFFER 
    member_id => COMPACT_STRING
    group_instance_id => COMPACT_NULLABLE_STRING
    metadata => COMPACT_BYTES
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>error_code</td><td>The error code, or 0 if there was no error.</td></tr>
<tr>
<td>generation_id</td><td>The generation ID of the group.</td></tr>
<tr>
<td>protocol_type</td><td>The group protocol name.</td></tr>
<tr>
<td>protocol_name</td><td>The group protocol selected by the coordinator.</td></tr>
<tr>
<td>leader</td><td>The leader of the group.</td></tr>
<tr>
<td>member_id</td><td>The member ID assigned by the group coordinator.</td></tr>
<tr>
<td>members</td><td></td></tr>
<tr>
<td>member_id</td><td>The group member ID.</td></tr>
<tr>
<td>group_instance_id</td><td>The unique identifier of the consumer instance provided by end user.</td></tr>
<tr>
<td>metadata</td><td>The group member metadata.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<h5><a name="The_Messages_Heartbeat">Heartbeat API (Key: 12):</a></h5>

<b>Requests:</b><br>
<p><pre>Heartbeat Request (Version: 0) => group_id generation_id member_id 
  group_id => STRING
  generation_id => INT32
  member_id => STRING
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>group_id</td><td>The group id.</td></tr>
<tr>
<td>generation_id</td><td>The generation of the group.</td></tr>
<tr>
<td>member_id</td><td>The member ID.</td></tr>
</table>
</p>
<p><pre>Heartbeat Request (Version: 1) => group_id generation_id member_id 
  group_id => STRING
  generation_id => INT32
  member_id => STRING
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>group_id</td><td>The group id.</td></tr>
<tr>
<td>generation_id</td><td>The generation of the group.</td></tr>
<tr>
<td>member_id</td><td>The member ID.</td></tr>
</table>
</p>
<p><pre>Heartbeat Request (Version: 2) => group_id generation_id member_id 
  group_id => STRING
  generation_id => INT32
  member_id => STRING
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>group_id</td><td>The group id.</td></tr>
<tr>
<td>generation_id</td><td>The generation of the group.</td></tr>
<tr>
<td>member_id</td><td>The member ID.</td></tr>
</table>
</p>
<p><pre>Heartbeat Request (Version: 3) => group_id generation_id member_id group_instance_id 
  group_id => STRING
  generation_id => INT32
  member_id => STRING
  group_instance_id => NULLABLE_STRING
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>group_id</td><td>The group id.</td></tr>
<tr>
<td>generation_id</td><td>The generation of the group.</td></tr>
<tr>
<td>member_id</td><td>The member ID.</td></tr>
<tr>
<td>group_instance_id</td><td>The unique identifier of the consumer instance provided by end user.</td></tr>
</table>
</p>
<p><pre>Heartbeat Request (Version: 4) => group_id generation_id member_id group_instance_id TAG_BUFFER 
  group_id => COMPACT_STRING
  generation_id => INT32
  member_id => COMPACT_STRING
  group_instance_id => COMPACT_NULLABLE_STRING
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>group_id</td><td>The group id.</td></tr>
<tr>
<td>generation_id</td><td>The generation of the group.</td></tr>
<tr>
<td>member_id</td><td>The member ID.</td></tr>
<tr>
<td>group_instance_id</td><td>The unique identifier of the consumer instance provided by end user.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<b>Responses:</b><br>
<p><pre>Heartbeat Response (Version: 0) => error_code 
  error_code => INT16
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>error_code</td><td>The error code, or 0 if there was no error.</td></tr>
</table>
</p>
<p><pre>Heartbeat Response (Version: 1) => throttle_time_ms error_code 
  throttle_time_ms => INT32
  error_code => INT16
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>error_code</td><td>The error code, or 0 if there was no error.</td></tr>
</table>
</p>
<p><pre>Heartbeat Response (Version: 2) => throttle_time_ms error_code 
  throttle_time_ms => INT32
  error_code => INT16
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>error_code</td><td>The error code, or 0 if there was no error.</td></tr>
</table>
</p>
<p><pre>Heartbeat Response (Version: 3) => throttle_time_ms error_code 
  throttle_time_ms => INT32
  error_code => INT16
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>error_code</td><td>The error code, or 0 if there was no error.</td></tr>
</table>
</p>
<p><pre>Heartbeat Response (Version: 4) => throttle_time_ms error_code TAG_BUFFER 
  throttle_time_ms => INT32
  error_code => INT16
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>error_code</td><td>The error code, or 0 if there was no error.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<h5><a name="The_Messages_LeaveGroup">LeaveGroup API (Key: 13):</a></h5>

<b>Requests:</b><br>
<p><pre>LeaveGroup Request (Version: 0) => group_id member_id 
  group_id => STRING
  member_id => STRING
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>group_id</td><td>The ID of the group to leave.</td></tr>
<tr>
<td>member_id</td><td>The member ID to remove from the group.</td></tr>
</table>
</p>
<p><pre>LeaveGroup Request (Version: 1) => group_id member_id 
  group_id => STRING
  member_id => STRING
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>group_id</td><td>The ID of the group to leave.</td></tr>
<tr>
<td>member_id</td><td>The member ID to remove from the group.</td></tr>
</table>
</p>
<p><pre>LeaveGroup Request (Version: 2) => group_id member_id 
  group_id => STRING
  member_id => STRING
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>group_id</td><td>The ID of the group to leave.</td></tr>
<tr>
<td>member_id</td><td>The member ID to remove from the group.</td></tr>
</table>
</p>
<p><pre>LeaveGroup Request (Version: 3) => group_id [members] 
  group_id => STRING
  members => member_id group_instance_id 
    member_id => STRING
    group_instance_id => NULLABLE_STRING
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>group_id</td><td>The ID of the group to leave.</td></tr>
<tr>
<td>members</td><td>List of leaving member identities.</td></tr>
<tr>
<td>member_id</td><td>The member ID to remove from the group.</td></tr>
<tr>
<td>group_instance_id</td><td>The group instance ID to remove from the group.</td></tr>
</table>
</p>
<p><pre>LeaveGroup Request (Version: 4) => group_id [members] TAG_BUFFER 
  group_id => COMPACT_STRING
  members => member_id group_instance_id TAG_BUFFER 
    member_id => COMPACT_STRING
    group_instance_id => COMPACT_NULLABLE_STRING
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>group_id</td><td>The ID of the group to leave.</td></tr>
<tr>
<td>members</td><td>List of leaving member identities.</td></tr>
<tr>
<td>member_id</td><td>The member ID to remove from the group.</td></tr>
<tr>
<td>group_instance_id</td><td>The group instance ID to remove from the group.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<b>Responses:</b><br>
<p><pre>LeaveGroup Response (Version: 0) => error_code 
  error_code => INT16
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>error_code</td><td>The error code, or 0 if there was no error.</td></tr>
</table>
</p>
<p><pre>LeaveGroup Response (Version: 1) => throttle_time_ms error_code 
  throttle_time_ms => INT32
  error_code => INT16
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>error_code</td><td>The error code, or 0 if there was no error.</td></tr>
</table>
</p>
<p><pre>LeaveGroup Response (Version: 2) => throttle_time_ms error_code 
  throttle_time_ms => INT32
  error_code => INT16
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>error_code</td><td>The error code, or 0 if there was no error.</td></tr>
</table>
</p>
<p><pre>LeaveGroup Response (Version: 3) => throttle_time_ms error_code [members] 
  throttle_time_ms => INT32
  error_code => INT16
  members => member_id group_instance_id error_code 
    member_id => STRING
    group_instance_id => NULLABLE_STRING
    error_code => INT16
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>error_code</td><td>The error code, or 0 if there was no error.</td></tr>
<tr>
<td>members</td><td>List of leaving member responses.</td></tr>
<tr>
<td>member_id</td><td>The member ID to remove from the group.</td></tr>
<tr>
<td>group_instance_id</td><td>The group instance ID to remove from the group.</td></tr>
<tr>
<td>error_code</td><td>The error code, or 0 if there was no error.</td></tr>
</table>
</p>
<p><pre>LeaveGroup Response (Version: 4) => throttle_time_ms error_code [members] TAG_BUFFER 
  throttle_time_ms => INT32
  error_code => INT16
  members => member_id group_instance_id error_code TAG_BUFFER 
    member_id => COMPACT_STRING
    group_instance_id => COMPACT_NULLABLE_STRING
    error_code => INT16
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>error_code</td><td>The error code, or 0 if there was no error.</td></tr>
<tr>
<td>members</td><td>List of leaving member responses.</td></tr>
<tr>
<td>member_id</td><td>The member ID to remove from the group.</td></tr>
<tr>
<td>group_instance_id</td><td>The group instance ID to remove from the group.</td></tr>
<tr>
<td>error_code</td><td>The error code, or 0 if there was no error.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<h5><a name="The_Messages_SyncGroup">SyncGroup API (Key: 14):</a></h5>

<b>Requests:</b><br>
<p><pre>SyncGroup Request (Version: 0) => group_id generation_id member_id [assignments] 
  group_id => STRING
  generation_id => INT32
  member_id => STRING
  assignments => member_id assignment 
    member_id => STRING
    assignment => BYTES
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>group_id</td><td>The unique group identifier.</td></tr>
<tr>
<td>generation_id</td><td>The generation of the group.</td></tr>
<tr>
<td>member_id</td><td>The member ID assigned by the group.</td></tr>
<tr>
<td>assignments</td><td>Each assignment.</td></tr>
<tr>
<td>member_id</td><td>The ID of the member to assign.</td></tr>
<tr>
<td>assignment</td><td>The member assignment.</td></tr>
</table>
</p>
<p><pre>SyncGroup Request (Version: 1) => group_id generation_id member_id [assignments] 
  group_id => STRING
  generation_id => INT32
  member_id => STRING
  assignments => member_id assignment 
    member_id => STRING
    assignment => BYTES
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>group_id</td><td>The unique group identifier.</td></tr>
<tr>
<td>generation_id</td><td>The generation of the group.</td></tr>
<tr>
<td>member_id</td><td>The member ID assigned by the group.</td></tr>
<tr>
<td>assignments</td><td>Each assignment.</td></tr>
<tr>
<td>member_id</td><td>The ID of the member to assign.</td></tr>
<tr>
<td>assignment</td><td>The member assignment.</td></tr>
</table>
</p>
<p><pre>SyncGroup Request (Version: 2) => group_id generation_id member_id [assignments] 
  group_id => STRING
  generation_id => INT32
  member_id => STRING
  assignments => member_id assignment 
    member_id => STRING
    assignment => BYTES
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>group_id</td><td>The unique group identifier.</td></tr>
<tr>
<td>generation_id</td><td>The generation of the group.</td></tr>
<tr>
<td>member_id</td><td>The member ID assigned by the group.</td></tr>
<tr>
<td>assignments</td><td>Each assignment.</td></tr>
<tr>
<td>member_id</td><td>The ID of the member to assign.</td></tr>
<tr>
<td>assignment</td><td>The member assignment.</td></tr>
</table>
</p>
<p><pre>SyncGroup Request (Version: 3) => group_id generation_id member_id group_instance_id [assignments] 
  group_id => STRING
  generation_id => INT32
  member_id => STRING
  group_instance_id => NULLABLE_STRING
  assignments => member_id assignment 
    member_id => STRING
    assignment => BYTES
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>group_id</td><td>The unique group identifier.</td></tr>
<tr>
<td>generation_id</td><td>The generation of the group.</td></tr>
<tr>
<td>member_id</td><td>The member ID assigned by the group.</td></tr>
<tr>
<td>group_instance_id</td><td>The unique identifier of the consumer instance provided by end user.</td></tr>
<tr>
<td>assignments</td><td>Each assignment.</td></tr>
<tr>
<td>member_id</td><td>The ID of the member to assign.</td></tr>
<tr>
<td>assignment</td><td>The member assignment.</td></tr>
</table>
</p>
<p><pre>SyncGroup Request (Version: 4) => group_id generation_id member_id group_instance_id [assignments] TAG_BUFFER 
  group_id => COMPACT_STRING
  generation_id => INT32
  member_id => COMPACT_STRING
  group_instance_id => COMPACT_NULLABLE_STRING
  assignments => member_id assignment TAG_BUFFER 
    member_id => COMPACT_STRING
    assignment => COMPACT_BYTES
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>group_id</td><td>The unique group identifier.</td></tr>
<tr>
<td>generation_id</td><td>The generation of the group.</td></tr>
<tr>
<td>member_id</td><td>The member ID assigned by the group.</td></tr>
<tr>
<td>group_instance_id</td><td>The unique identifier of the consumer instance provided by end user.</td></tr>
<tr>
<td>assignments</td><td>Each assignment.</td></tr>
<tr>
<td>member_id</td><td>The ID of the member to assign.</td></tr>
<tr>
<td>assignment</td><td>The member assignment.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<p><pre>SyncGroup Request (Version: 5) => group_id generation_id member_id group_instance_id protocol_type protocol_name [assignments] TAG_BUFFER 
  group_id => COMPACT_STRING
  generation_id => INT32
  member_id => COMPACT_STRING
  group_instance_id => COMPACT_NULLABLE_STRING
  protocol_type => COMPACT_NULLABLE_STRING
  protocol_name => COMPACT_NULLABLE_STRING
  assignments => member_id assignment TAG_BUFFER 
    member_id => COMPACT_STRING
    assignment => COMPACT_BYTES
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>group_id</td><td>The unique group identifier.</td></tr>
<tr>
<td>generation_id</td><td>The generation of the group.</td></tr>
<tr>
<td>member_id</td><td>The member ID assigned by the group.</td></tr>
<tr>
<td>group_instance_id</td><td>The unique identifier of the consumer instance provided by end user.</td></tr>
<tr>
<td>protocol_type</td><td>The group protocol type.</td></tr>
<tr>
<td>protocol_name</td><td>The group protocol name.</td></tr>
<tr>
<td>assignments</td><td>Each assignment.</td></tr>
<tr>
<td>member_id</td><td>The ID of the member to assign.</td></tr>
<tr>
<td>assignment</td><td>The member assignment.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<b>Responses:</b><br>
<p><pre>SyncGroup Response (Version: 0) => error_code assignment 
  error_code => INT16
  assignment => BYTES
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>error_code</td><td>The error code, or 0 if there was no error.</td></tr>
<tr>
<td>assignment</td><td>The member assignment.</td></tr>
</table>
</p>
<p><pre>SyncGroup Response (Version: 1) => throttle_time_ms error_code assignment 
  throttle_time_ms => INT32
  error_code => INT16
  assignment => BYTES
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>error_code</td><td>The error code, or 0 if there was no error.</td></tr>
<tr>
<td>assignment</td><td>The member assignment.</td></tr>
</table>
</p>
<p><pre>SyncGroup Response (Version: 2) => throttle_time_ms error_code assignment 
  throttle_time_ms => INT32
  error_code => INT16
  assignment => BYTES
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>error_code</td><td>The error code, or 0 if there was no error.</td></tr>
<tr>
<td>assignment</td><td>The member assignment.</td></tr>
</table>
</p>
<p><pre>SyncGroup Response (Version: 3) => throttle_time_ms error_code assignment 
  throttle_time_ms => INT32
  error_code => INT16
  assignment => BYTES
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>error_code</td><td>The error code, or 0 if there was no error.</td></tr>
<tr>
<td>assignment</td><td>The member assignment.</td></tr>
</table>
</p>
<p><pre>SyncGroup Response (Version: 4) => throttle_time_ms error_code assignment TAG_BUFFER 
  throttle_time_ms => INT32
  error_code => INT16
  assignment => COMPACT_BYTES
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>error_code</td><td>The error code, or 0 if there was no error.</td></tr>
<tr>
<td>assignment</td><td>The member assignment.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<p><pre>SyncGroup Response (Version: 5) => throttle_time_ms error_code protocol_type protocol_name assignment TAG_BUFFER 
  throttle_time_ms => INT32
  error_code => INT16
  protocol_type => COMPACT_NULLABLE_STRING
  protocol_name => COMPACT_NULLABLE_STRING
  assignment => COMPACT_BYTES
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>error_code</td><td>The error code, or 0 if there was no error.</td></tr>
<tr>
<td>protocol_type</td><td>The group protocol type.</td></tr>
<tr>
<td>protocol_name</td><td>The group protocol name.</td></tr>
<tr>
<td>assignment</td><td>The member assignment.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<h5><a name="The_Messages_DescribeGroups">DescribeGroups API (Key: 15):</a></h5>

<b>Requests:</b><br>
<p><pre>DescribeGroups Request (Version: 0) => [groups] 
  groups => STRING
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>groups</td><td>The names of the groups to describe</td></tr>
</table>
</p>
<p><pre>DescribeGroups Request (Version: 1) => [groups] 
  groups => STRING
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>groups</td><td>The names of the groups to describe</td></tr>
</table>
</p>
<p><pre>DescribeGroups Request (Version: 2) => [groups] 
  groups => STRING
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>groups</td><td>The names of the groups to describe</td></tr>
</table>
</p>
<p><pre>DescribeGroups Request (Version: 3) => [groups] include_authorized_operations 
  groups => STRING
  include_authorized_operations => BOOLEAN
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>groups</td><td>The names of the groups to describe</td></tr>
<tr>
<td>include_authorized_operations</td><td>Whether to include authorized operations.</td></tr>
</table>
</p>
<p><pre>DescribeGroups Request (Version: 4) => [groups] include_authorized_operations 
  groups => STRING
  include_authorized_operations => BOOLEAN
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>groups</td><td>The names of the groups to describe</td></tr>
<tr>
<td>include_authorized_operations</td><td>Whether to include authorized operations.</td></tr>
</table>
</p>
<p><pre>DescribeGroups Request (Version: 5) => [groups] include_authorized_operations TAG_BUFFER 
  groups => COMPACT_STRING
  include_authorized_operations => BOOLEAN
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>groups</td><td>The names of the groups to describe</td></tr>
<tr>
<td>include_authorized_operations</td><td>Whether to include authorized operations.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<b>Responses:</b><br>
<p><pre>DescribeGroups Response (Version: 0) => [groups] 
  groups => error_code group_id group_state protocol_type protocol_data [members] 
    error_code => INT16
    group_id => STRING
    group_state => STRING
    protocol_type => STRING
    protocol_data => STRING
    members => member_id client_id client_host member_metadata member_assignment 
      member_id => STRING
      client_id => STRING
      client_host => STRING
      member_metadata => BYTES
      member_assignment => BYTES
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>groups</td><td>Each described group.</td></tr>
<tr>
<td>error_code</td><td>The describe error, or 0 if there was no error.</td></tr>
<tr>
<td>group_id</td><td>The group ID string.</td></tr>
<tr>
<td>group_state</td><td>The group state string, or the empty string.</td></tr>
<tr>
<td>protocol_type</td><td>The group protocol type, or the empty string.</td></tr>
<tr>
<td>protocol_data</td><td>The group protocol data, or the empty string.</td></tr>
<tr>
<td>members</td><td>The group members.</td></tr>
<tr>
<td>member_id</td><td>The member ID assigned by the group coordinator.</td></tr>
<tr>
<td>client_id</td><td>The client ID used in the member's latest join group request.</td></tr>
<tr>
<td>client_host</td><td>The client host.</td></tr>
<tr>
<td>member_metadata</td><td>The metadata corresponding to the current group protocol in use.</td></tr>
<tr>
<td>member_assignment</td><td>The current assignment provided by the group leader.</td></tr>
</table>
</p>
<p><pre>DescribeGroups Response (Version: 1) => throttle_time_ms [groups] 
  throttle_time_ms => INT32
  groups => error_code group_id group_state protocol_type protocol_data [members] 
    error_code => INT16
    group_id => STRING
    group_state => STRING
    protocol_type => STRING
    protocol_data => STRING
    members => member_id client_id client_host member_metadata member_assignment 
      member_id => STRING
      client_id => STRING
      client_host => STRING
      member_metadata => BYTES
      member_assignment => BYTES
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>groups</td><td>Each described group.</td></tr>
<tr>
<td>error_code</td><td>The describe error, or 0 if there was no error.</td></tr>
<tr>
<td>group_id</td><td>The group ID string.</td></tr>
<tr>
<td>group_state</td><td>The group state string, or the empty string.</td></tr>
<tr>
<td>protocol_type</td><td>The group protocol type, or the empty string.</td></tr>
<tr>
<td>protocol_data</td><td>The group protocol data, or the empty string.</td></tr>
<tr>
<td>members</td><td>The group members.</td></tr>
<tr>
<td>member_id</td><td>The member ID assigned by the group coordinator.</td></tr>
<tr>
<td>client_id</td><td>The client ID used in the member's latest join group request.</td></tr>
<tr>
<td>client_host</td><td>The client host.</td></tr>
<tr>
<td>member_metadata</td><td>The metadata corresponding to the current group protocol in use.</td></tr>
<tr>
<td>member_assignment</td><td>The current assignment provided by the group leader.</td></tr>
</table>
</p>
<p><pre>DescribeGroups Response (Version: 2) => throttle_time_ms [groups] 
  throttle_time_ms => INT32
  groups => error_code group_id group_state protocol_type protocol_data [members] 
    error_code => INT16
    group_id => STRING
    group_state => STRING
    protocol_type => STRING
    protocol_data => STRING
    members => member_id client_id client_host member_metadata member_assignment 
      member_id => STRING
      client_id => STRING
      client_host => STRING
      member_metadata => BYTES
      member_assignment => BYTES
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>groups</td><td>Each described group.</td></tr>
<tr>
<td>error_code</td><td>The describe error, or 0 if there was no error.</td></tr>
<tr>
<td>group_id</td><td>The group ID string.</td></tr>
<tr>
<td>group_state</td><td>The group state string, or the empty string.</td></tr>
<tr>
<td>protocol_type</td><td>The group protocol type, or the empty string.</td></tr>
<tr>
<td>protocol_data</td><td>The group protocol data, or the empty string.</td></tr>
<tr>
<td>members</td><td>The group members.</td></tr>
<tr>
<td>member_id</td><td>The member ID assigned by the group coordinator.</td></tr>
<tr>
<td>client_id</td><td>The client ID used in the member's latest join group request.</td></tr>
<tr>
<td>client_host</td><td>The client host.</td></tr>
<tr>
<td>member_metadata</td><td>The metadata corresponding to the current group protocol in use.</td></tr>
<tr>
<td>member_assignment</td><td>The current assignment provided by the group leader.</td></tr>
</table>
</p>
<p><pre>DescribeGroups Response (Version: 3) => throttle_time_ms [groups] 
  throttle_time_ms => INT32
  groups => error_code group_id group_state protocol_type protocol_data [members] authorized_operations 
    error_code => INT16
    group_id => STRING
    group_state => STRING
    protocol_type => STRING
    protocol_data => STRING
    members => member_id client_id client_host member_metadata member_assignment 
      member_id => STRING
      client_id => STRING
      client_host => STRING
      member_metadata => BYTES
      member_assignment => BYTES
    authorized_operations => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>groups</td><td>Each described group.</td></tr>
<tr>
<td>error_code</td><td>The describe error, or 0 if there was no error.</td></tr>
<tr>
<td>group_id</td><td>The group ID string.</td></tr>
<tr>
<td>group_state</td><td>The group state string, or the empty string.</td></tr>
<tr>
<td>protocol_type</td><td>The group protocol type, or the empty string.</td></tr>
<tr>
<td>protocol_data</td><td>The group protocol data, or the empty string.</td></tr>
<tr>
<td>members</td><td>The group members.</td></tr>
<tr>
<td>member_id</td><td>The member ID assigned by the group coordinator.</td></tr>
<tr>
<td>client_id</td><td>The client ID used in the member's latest join group request.</td></tr>
<tr>
<td>client_host</td><td>The client host.</td></tr>
<tr>
<td>member_metadata</td><td>The metadata corresponding to the current group protocol in use.</td></tr>
<tr>
<td>member_assignment</td><td>The current assignment provided by the group leader.</td></tr>
<tr>
<td>authorized_operations</td><td>32-bit bitfield to represent authorized operations for this group.</td></tr>
</table>
</p>
<p><pre>DescribeGroups Response (Version: 4) => throttle_time_ms [groups] 
  throttle_time_ms => INT32
  groups => error_code group_id group_state protocol_type protocol_data [members] authorized_operations 
    error_code => INT16
    group_id => STRING
    group_state => STRING
    protocol_type => STRING
    protocol_data => STRING
    members => member_id group_instance_id client_id client_host member_metadata member_assignment 
      member_id => STRING
      group_instance_id => NULLABLE_STRING
      client_id => STRING
      client_host => STRING
      member_metadata => BYTES
      member_assignment => BYTES
    authorized_operations => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>groups</td><td>Each described group.</td></tr>
<tr>
<td>error_code</td><td>The describe error, or 0 if there was no error.</td></tr>
<tr>
<td>group_id</td><td>The group ID string.</td></tr>
<tr>
<td>group_state</td><td>The group state string, or the empty string.</td></tr>
<tr>
<td>protocol_type</td><td>The group protocol type, or the empty string.</td></tr>
<tr>
<td>protocol_data</td><td>The group protocol data, or the empty string.</td></tr>
<tr>
<td>members</td><td>The group members.</td></tr>
<tr>
<td>member_id</td><td>The member ID assigned by the group coordinator.</td></tr>
<tr>
<td>group_instance_id</td><td>The unique identifier of the consumer instance provided by end user.</td></tr>
<tr>
<td>client_id</td><td>The client ID used in the member's latest join group request.</td></tr>
<tr>
<td>client_host</td><td>The client host.</td></tr>
<tr>
<td>member_metadata</td><td>The metadata corresponding to the current group protocol in use.</td></tr>
<tr>
<td>member_assignment</td><td>The current assignment provided by the group leader.</td></tr>
<tr>
<td>authorized_operations</td><td>32-bit bitfield to represent authorized operations for this group.</td></tr>
</table>
</p>
<p><pre>DescribeGroups Response (Version: 5) => throttle_time_ms [groups] TAG_BUFFER 
  throttle_time_ms => INT32
  groups => error_code group_id group_state protocol_type protocol_data [members] authorized_operations TAG_BUFFER 
    error_code => INT16
    group_id => COMPACT_STRING
    group_state => COMPACT_STRING
    protocol_type => COMPACT_STRING
    protocol_data => COMPACT_STRING
    members => member_id group_instance_id client_id client_host member_metadata member_assignment TAG_BUFFER 
      member_id => COMPACT_STRING
      group_instance_id => COMPACT_NULLABLE_STRING
      client_id => COMPACT_STRING
      client_host => COMPACT_STRING
      member_metadata => COMPACT_BYTES
      member_assignment => COMPACT_BYTES
    authorized_operations => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>groups</td><td>Each described group.</td></tr>
<tr>
<td>error_code</td><td>The describe error, or 0 if there was no error.</td></tr>
<tr>
<td>group_id</td><td>The group ID string.</td></tr>
<tr>
<td>group_state</td><td>The group state string, or the empty string.</td></tr>
<tr>
<td>protocol_type</td><td>The group protocol type, or the empty string.</td></tr>
<tr>
<td>protocol_data</td><td>The group protocol data, or the empty string.</td></tr>
<tr>
<td>members</td><td>The group members.</td></tr>
<tr>
<td>member_id</td><td>The member ID assigned by the group coordinator.</td></tr>
<tr>
<td>group_instance_id</td><td>The unique identifier of the consumer instance provided by end user.</td></tr>
<tr>
<td>client_id</td><td>The client ID used in the member's latest join group request.</td></tr>
<tr>
<td>client_host</td><td>The client host.</td></tr>
<tr>
<td>member_metadata</td><td>The metadata corresponding to the current group protocol in use.</td></tr>
<tr>
<td>member_assignment</td><td>The current assignment provided by the group leader.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>authorized_operations</td><td>32-bit bitfield to represent authorized operations for this group.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<h5><a name="The_Messages_ListGroups">ListGroups API (Key: 16):</a></h5>

<b>Requests:</b><br>
<p><pre>ListGroups Request (Version: 0) => 
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr></table>
</p>
<p><pre>ListGroups Request (Version: 1) => 
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr></table>
</p>
<p><pre>ListGroups Request (Version: 2) => 
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr></table>
</p>
<p><pre>ListGroups Request (Version: 3) => TAG_BUFFER 
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<p><pre>ListGroups Request (Version: 4) => [states_filter] TAG_BUFFER 
  states_filter => COMPACT_STRING
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>states_filter</td><td>The states of the groups we want to list. If empty all groups are returned with their state.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<b>Responses:</b><br>
<p><pre>ListGroups Response (Version: 0) => error_code [groups] 
  error_code => INT16
  groups => group_id protocol_type 
    group_id => STRING
    protocol_type => STRING
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>error_code</td><td>The error code, or 0 if there was no error.</td></tr>
<tr>
<td>groups</td><td>Each group in the response.</td></tr>
<tr>
<td>group_id</td><td>The group ID.</td></tr>
<tr>
<td>protocol_type</td><td>The group protocol type.</td></tr>
</table>
</p>
<p><pre>ListGroups Response (Version: 1) => throttle_time_ms error_code [groups] 
  throttle_time_ms => INT32
  error_code => INT16
  groups => group_id protocol_type 
    group_id => STRING
    protocol_type => STRING
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>error_code</td><td>The error code, or 0 if there was no error.</td></tr>
<tr>
<td>groups</td><td>Each group in the response.</td></tr>
<tr>
<td>group_id</td><td>The group ID.</td></tr>
<tr>
<td>protocol_type</td><td>The group protocol type.</td></tr>
</table>
</p>
<p><pre>ListGroups Response (Version: 2) => throttle_time_ms error_code [groups] 
  throttle_time_ms => INT32
  error_code => INT16
  groups => group_id protocol_type 
    group_id => STRING
    protocol_type => STRING
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>error_code</td><td>The error code, or 0 if there was no error.</td></tr>
<tr>
<td>groups</td><td>Each group in the response.</td></tr>
<tr>
<td>group_id</td><td>The group ID.</td></tr>
<tr>
<td>protocol_type</td><td>The group protocol type.</td></tr>
</table>
</p>
<p><pre>ListGroups Response (Version: 3) => throttle_time_ms error_code [groups] TAG_BUFFER 
  throttle_time_ms => INT32
  error_code => INT16
  groups => group_id protocol_type TAG_BUFFER 
    group_id => COMPACT_STRING
    protocol_type => COMPACT_STRING
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>error_code</td><td>The error code, or 0 if there was no error.</td></tr>
<tr>
<td>groups</td><td>Each group in the response.</td></tr>
<tr>
<td>group_id</td><td>The group ID.</td></tr>
<tr>
<td>protocol_type</td><td>The group protocol type.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<p><pre>ListGroups Response (Version: 4) => throttle_time_ms error_code [groups] TAG_BUFFER 
  throttle_time_ms => INT32
  error_code => INT16
  groups => group_id protocol_type group_state TAG_BUFFER 
    group_id => COMPACT_STRING
    protocol_type => COMPACT_STRING
    group_state => COMPACT_STRING
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>error_code</td><td>The error code, or 0 if there was no error.</td></tr>
<tr>
<td>groups</td><td>Each group in the response.</td></tr>
<tr>
<td>group_id</td><td>The group ID.</td></tr>
<tr>
<td>protocol_type</td><td>The group protocol type.</td></tr>
<tr>
<td>group_state</td><td>The group state name.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<h5><a name="The_Messages_SaslHandshake">SaslHandshake API (Key: 17):</a></h5>

<b>Requests:</b><br>
<p><pre>SaslHandshake Request (Version: 0) => mechanism 
  mechanism => STRING
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>mechanism</td><td>The SASL mechanism chosen by the client.</td></tr>
</table>
</p>
<p><pre>SaslHandshake Request (Version: 1) => mechanism 
  mechanism => STRING
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>mechanism</td><td>The SASL mechanism chosen by the client.</td></tr>
</table>
</p>
<b>Responses:</b><br>
<p><pre>SaslHandshake Response (Version: 0) => error_code [mechanisms] 
  error_code => INT16
  mechanisms => STRING
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>error_code</td><td>The error code, or 0 if there was no error.</td></tr>
<tr>
<td>mechanisms</td><td>The mechanisms enabled in the server.</td></tr>
</table>
</p>
<p><pre>SaslHandshake Response (Version: 1) => error_code [mechanisms] 
  error_code => INT16
  mechanisms => STRING
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>error_code</td><td>The error code, or 0 if there was no error.</td></tr>
<tr>
<td>mechanisms</td><td>The mechanisms enabled in the server.</td></tr>
</table>
</p>
<h5><a name="The_Messages_ApiVersions">ApiVersions API (Key: 18):</a></h5>

<b>Requests:</b><br>
<p><pre>ApiVersions Request (Version: 0) => 
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr></table>
</p>
<p><pre>ApiVersions Request (Version: 1) => 
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr></table>
</p>
<p><pre>ApiVersions Request (Version: 2) => 
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr></table>
</p>
<p><pre>ApiVersions Request (Version: 3) => client_software_name client_software_version TAG_BUFFER 
  client_software_name => COMPACT_STRING
  client_software_version => COMPACT_STRING
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>client_software_name</td><td>The name of the client.</td></tr>
<tr>
<td>client_software_version</td><td>The version of the client.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<b>Responses:</b><br>
<p><pre>ApiVersions Response (Version: 0) => error_code [api_keys] 
  error_code => INT16
  api_keys => api_key min_version max_version 
    api_key => INT16
    min_version => INT16
    max_version => INT16
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>error_code</td><td>The top-level error code.</td></tr>
<tr>
<td>api_keys</td><td>The APIs supported by the broker.</td></tr>
<tr>
<td>api_key</td><td>The API index.</td></tr>
<tr>
<td>min_version</td><td>The minimum supported version, inclusive.</td></tr>
<tr>
<td>max_version</td><td>The maximum supported version, inclusive.</td></tr>
</table>
</p>
<p><pre>ApiVersions Response (Version: 1) => error_code [api_keys] throttle_time_ms 
  error_code => INT16
  api_keys => api_key min_version max_version 
    api_key => INT16
    min_version => INT16
    max_version => INT16
  throttle_time_ms => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>error_code</td><td>The top-level error code.</td></tr>
<tr>
<td>api_keys</td><td>The APIs supported by the broker.</td></tr>
<tr>
<td>api_key</td><td>The API index.</td></tr>
<tr>
<td>min_version</td><td>The minimum supported version, inclusive.</td></tr>
<tr>
<td>max_version</td><td>The maximum supported version, inclusive.</td></tr>
<tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
</table>
</p>
<p><pre>ApiVersions Response (Version: 2) => error_code [api_keys] throttle_time_ms 
  error_code => INT16
  api_keys => api_key min_version max_version 
    api_key => INT16
    min_version => INT16
    max_version => INT16
  throttle_time_ms => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>error_code</td><td>The top-level error code.</td></tr>
<tr>
<td>api_keys</td><td>The APIs supported by the broker.</td></tr>
<tr>
<td>api_key</td><td>The API index.</td></tr>
<tr>
<td>min_version</td><td>The minimum supported version, inclusive.</td></tr>
<tr>
<td>max_version</td><td>The maximum supported version, inclusive.</td></tr>
<tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
</table>
</p>
<p><pre>ApiVersions Response (Version: 3) => error_code [api_keys] throttle_time_ms TAG_BUFFER 
  error_code => INT16
  api_keys => api_key min_version max_version TAG_BUFFER 
    api_key => INT16
    min_version => INT16
    max_version => INT16
  throttle_time_ms => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>error_code</td><td>The top-level error code.</td></tr>
<tr>
<td>api_keys</td><td>The APIs supported by the broker.</td></tr>
<tr>
<td>api_key</td><td>The API index.</td></tr>
<tr>
<td>min_version</td><td>The minimum supported version, inclusive.</td></tr>
<tr>
<td>max_version</td><td>The maximum supported version, inclusive.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<h5><a name="The_Messages_CreateTopics">CreateTopics API (Key: 19):</a></h5>

<b>Requests:</b><br>
<p><pre>CreateTopics Request (Version: 0) => [topics] timeout_ms 
  topics => name num_partitions replication_factor [assignments] [configs] 
    name => STRING
    num_partitions => INT32
    replication_factor => INT16
    assignments => partition_index [broker_ids] 
      partition_index => INT32
      broker_ids => INT32
    configs => name value 
      name => STRING
      value => NULLABLE_STRING
  timeout_ms => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>topics</td><td>The topics to create.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>num_partitions</td><td>The number of partitions to create in the topic, or -1 if we are either specifying a manual partition assignment or using the default partitions.</td></tr>
<tr>
<td>replication_factor</td><td>The number of replicas to create for each partition in the topic, or -1 if we are either specifying a manual partition assignment or using the default replication factor.</td></tr>
<tr>
<td>assignments</td><td>The manual partition assignment, or the empty array if we are using automatic assignment.</td></tr>
<tr>
<td>partition_index</td><td>The partition index.</td></tr>
<tr>
<td>broker_ids</td><td>The brokers to place the partition on.</td></tr>
<tr>
<td>configs</td><td>The custom topic configurations to set.</td></tr>
<tr>
<td>name</td><td>The configuration name.</td></tr>
<tr>
<td>value</td><td>The configuration value.</td></tr>
<tr>
<td>timeout_ms</td><td>How long to wait in milliseconds before timing out the request.</td></tr>
</table>
</p>
<p><pre>CreateTopics Request (Version: 1) => [topics] timeout_ms validate_only 
  topics => name num_partitions replication_factor [assignments] [configs] 
    name => STRING
    num_partitions => INT32
    replication_factor => INT16
    assignments => partition_index [broker_ids] 
      partition_index => INT32
      broker_ids => INT32
    configs => name value 
      name => STRING
      value => NULLABLE_STRING
  timeout_ms => INT32
  validate_only => BOOLEAN
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>topics</td><td>The topics to create.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>num_partitions</td><td>The number of partitions to create in the topic, or -1 if we are either specifying a manual partition assignment or using the default partitions.</td></tr>
<tr>
<td>replication_factor</td><td>The number of replicas to create for each partition in the topic, or -1 if we are either specifying a manual partition assignment or using the default replication factor.</td></tr>
<tr>
<td>assignments</td><td>The manual partition assignment, or the empty array if we are using automatic assignment.</td></tr>
<tr>
<td>partition_index</td><td>The partition index.</td></tr>
<tr>
<td>broker_ids</td><td>The brokers to place the partition on.</td></tr>
<tr>
<td>configs</td><td>The custom topic configurations to set.</td></tr>
<tr>
<td>name</td><td>The configuration name.</td></tr>
<tr>
<td>value</td><td>The configuration value.</td></tr>
<tr>
<td>timeout_ms</td><td>How long to wait in milliseconds before timing out the request.</td></tr>
<tr>
<td>validate_only</td><td>If true, check that the topics can be created as specified, but don't create anything.</td></tr>
</table>
</p>
<p><pre>CreateTopics Request (Version: 2) => [topics] timeout_ms validate_only 
  topics => name num_partitions replication_factor [assignments] [configs] 
    name => STRING
    num_partitions => INT32
    replication_factor => INT16
    assignments => partition_index [broker_ids] 
      partition_index => INT32
      broker_ids => INT32
    configs => name value 
      name => STRING
      value => NULLABLE_STRING
  timeout_ms => INT32
  validate_only => BOOLEAN
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>topics</td><td>The topics to create.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>num_partitions</td><td>The number of partitions to create in the topic, or -1 if we are either specifying a manual partition assignment or using the default partitions.</td></tr>
<tr>
<td>replication_factor</td><td>The number of replicas to create for each partition in the topic, or -1 if we are either specifying a manual partition assignment or using the default replication factor.</td></tr>
<tr>
<td>assignments</td><td>The manual partition assignment, or the empty array if we are using automatic assignment.</td></tr>
<tr>
<td>partition_index</td><td>The partition index.</td></tr>
<tr>
<td>broker_ids</td><td>The brokers to place the partition on.</td></tr>
<tr>
<td>configs</td><td>The custom topic configurations to set.</td></tr>
<tr>
<td>name</td><td>The configuration name.</td></tr>
<tr>
<td>value</td><td>The configuration value.</td></tr>
<tr>
<td>timeout_ms</td><td>How long to wait in milliseconds before timing out the request.</td></tr>
<tr>
<td>validate_only</td><td>If true, check that the topics can be created as specified, but don't create anything.</td></tr>
</table>
</p>
<p><pre>CreateTopics Request (Version: 3) => [topics] timeout_ms validate_only 
  topics => name num_partitions replication_factor [assignments] [configs] 
    name => STRING
    num_partitions => INT32
    replication_factor => INT16
    assignments => partition_index [broker_ids] 
      partition_index => INT32
      broker_ids => INT32
    configs => name value 
      name => STRING
      value => NULLABLE_STRING
  timeout_ms => INT32
  validate_only => BOOLEAN
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>topics</td><td>The topics to create.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>num_partitions</td><td>The number of partitions to create in the topic, or -1 if we are either specifying a manual partition assignment or using the default partitions.</td></tr>
<tr>
<td>replication_factor</td><td>The number of replicas to create for each partition in the topic, or -1 if we are either specifying a manual partition assignment or using the default replication factor.</td></tr>
<tr>
<td>assignments</td><td>The manual partition assignment, or the empty array if we are using automatic assignment.</td></tr>
<tr>
<td>partition_index</td><td>The partition index.</td></tr>
<tr>
<td>broker_ids</td><td>The brokers to place the partition on.</td></tr>
<tr>
<td>configs</td><td>The custom topic configurations to set.</td></tr>
<tr>
<td>name</td><td>The configuration name.</td></tr>
<tr>
<td>value</td><td>The configuration value.</td></tr>
<tr>
<td>timeout_ms</td><td>How long to wait in milliseconds before timing out the request.</td></tr>
<tr>
<td>validate_only</td><td>If true, check that the topics can be created as specified, but don't create anything.</td></tr>
</table>
</p>
<p><pre>CreateTopics Request (Version: 4) => [topics] timeout_ms validate_only 
  topics => name num_partitions replication_factor [assignments] [configs] 
    name => STRING
    num_partitions => INT32
    replication_factor => INT16
    assignments => partition_index [broker_ids] 
      partition_index => INT32
      broker_ids => INT32
    configs => name value 
      name => STRING
      value => NULLABLE_STRING
  timeout_ms => INT32
  validate_only => BOOLEAN
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>topics</td><td>The topics to create.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>num_partitions</td><td>The number of partitions to create in the topic, or -1 if we are either specifying a manual partition assignment or using the default partitions.</td></tr>
<tr>
<td>replication_factor</td><td>The number of replicas to create for each partition in the topic, or -1 if we are either specifying a manual partition assignment or using the default replication factor.</td></tr>
<tr>
<td>assignments</td><td>The manual partition assignment, or the empty array if we are using automatic assignment.</td></tr>
<tr>
<td>partition_index</td><td>The partition index.</td></tr>
<tr>
<td>broker_ids</td><td>The brokers to place the partition on.</td></tr>
<tr>
<td>configs</td><td>The custom topic configurations to set.</td></tr>
<tr>
<td>name</td><td>The configuration name.</td></tr>
<tr>
<td>value</td><td>The configuration value.</td></tr>
<tr>
<td>timeout_ms</td><td>How long to wait in milliseconds before timing out the request.</td></tr>
<tr>
<td>validate_only</td><td>If true, check that the topics can be created as specified, but don't create anything.</td></tr>
</table>
</p>
<p><pre>CreateTopics Request (Version: 5) => [topics] timeout_ms validate_only TAG_BUFFER 
  topics => name num_partitions replication_factor [assignments] [configs] TAG_BUFFER 
    name => COMPACT_STRING
    num_partitions => INT32
    replication_factor => INT16
    assignments => partition_index [broker_ids] TAG_BUFFER 
      partition_index => INT32
      broker_ids => INT32
    configs => name value TAG_BUFFER 
      name => COMPACT_STRING
      value => COMPACT_NULLABLE_STRING
  timeout_ms => INT32
  validate_only => BOOLEAN
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>topics</td><td>The topics to create.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>num_partitions</td><td>The number of partitions to create in the topic, or -1 if we are either specifying a manual partition assignment or using the default partitions.</td></tr>
<tr>
<td>replication_factor</td><td>The number of replicas to create for each partition in the topic, or -1 if we are either specifying a manual partition assignment or using the default replication factor.</td></tr>
<tr>
<td>assignments</td><td>The manual partition assignment, or the empty array if we are using automatic assignment.</td></tr>
<tr>
<td>partition_index</td><td>The partition index.</td></tr>
<tr>
<td>broker_ids</td><td>The brokers to place the partition on.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>configs</td><td>The custom topic configurations to set.</td></tr>
<tr>
<td>name</td><td>The configuration name.</td></tr>
<tr>
<td>value</td><td>The configuration value.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>timeout_ms</td><td>How long to wait in milliseconds before timing out the request.</td></tr>
<tr>
<td>validate_only</td><td>If true, check that the topics can be created as specified, but don't create anything.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<p><pre>CreateTopics Request (Version: 6) => [topics] timeout_ms validate_only TAG_BUFFER 
  topics => name num_partitions replication_factor [assignments] [configs] TAG_BUFFER 
    name => COMPACT_STRING
    num_partitions => INT32
    replication_factor => INT16
    assignments => partition_index [broker_ids] TAG_BUFFER 
      partition_index => INT32
      broker_ids => INT32
    configs => name value TAG_BUFFER 
      name => COMPACT_STRING
      value => COMPACT_NULLABLE_STRING
  timeout_ms => INT32
  validate_only => BOOLEAN
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>topics</td><td>The topics to create.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>num_partitions</td><td>The number of partitions to create in the topic, or -1 if we are either specifying a manual partition assignment or using the default partitions.</td></tr>
<tr>
<td>replication_factor</td><td>The number of replicas to create for each partition in the topic, or -1 if we are either specifying a manual partition assignment or using the default replication factor.</td></tr>
<tr>
<td>assignments</td><td>The manual partition assignment, or the empty array if we are using automatic assignment.</td></tr>
<tr>
<td>partition_index</td><td>The partition index.</td></tr>
<tr>
<td>broker_ids</td><td>The brokers to place the partition on.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>configs</td><td>The custom topic configurations to set.</td></tr>
<tr>
<td>name</td><td>The configuration name.</td></tr>
<tr>
<td>value</td><td>The configuration value.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>timeout_ms</td><td>How long to wait in milliseconds before timing out the request.</td></tr>
<tr>
<td>validate_only</td><td>If true, check that the topics can be created as specified, but don't create anything.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<p><pre>CreateTopics Request (Version: 7) => [topics] timeout_ms validate_only TAG_BUFFER 
  topics => name num_partitions replication_factor [assignments] [configs] TAG_BUFFER 
    name => COMPACT_STRING
    num_partitions => INT32
    replication_factor => INT16
    assignments => partition_index [broker_ids] TAG_BUFFER 
      partition_index => INT32
      broker_ids => INT32
    configs => name value TAG_BUFFER 
      name => COMPACT_STRING
      value => COMPACT_NULLABLE_STRING
  timeout_ms => INT32
  validate_only => BOOLEAN
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>topics</td><td>The topics to create.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>num_partitions</td><td>The number of partitions to create in the topic, or -1 if we are either specifying a manual partition assignment or using the default partitions.</td></tr>
<tr>
<td>replication_factor</td><td>The number of replicas to create for each partition in the topic, or -1 if we are either specifying a manual partition assignment or using the default replication factor.</td></tr>
<tr>
<td>assignments</td><td>The manual partition assignment, or the empty array if we are using automatic assignment.</td></tr>
<tr>
<td>partition_index</td><td>The partition index.</td></tr>
<tr>
<td>broker_ids</td><td>The brokers to place the partition on.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>configs</td><td>The custom topic configurations to set.</td></tr>
<tr>
<td>name</td><td>The configuration name.</td></tr>
<tr>
<td>value</td><td>The configuration value.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>timeout_ms</td><td>How long to wait in milliseconds before timing out the request.</td></tr>
<tr>
<td>validate_only</td><td>If true, check that the topics can be created as specified, but don't create anything.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<b>Responses:</b><br>
<p><pre>CreateTopics Response (Version: 0) => [topics] 
  topics => name error_code 
    name => STRING
    error_code => INT16
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>topics</td><td>Results for each topic we tried to create.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>error_code</td><td>The error code, or 0 if there was no error.</td></tr>
</table>
</p>
<p><pre>CreateTopics Response (Version: 1) => [topics] 
  topics => name error_code error_message 
    name => STRING
    error_code => INT16
    error_message => NULLABLE_STRING
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>topics</td><td>Results for each topic we tried to create.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>error_code</td><td>The error code, or 0 if there was no error.</td></tr>
<tr>
<td>error_message</td><td>The error message, or null if there was no error.</td></tr>
</table>
</p>
<p><pre>CreateTopics Response (Version: 2) => throttle_time_ms [topics] 
  throttle_time_ms => INT32
  topics => name error_code error_message 
    name => STRING
    error_code => INT16
    error_message => NULLABLE_STRING
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>topics</td><td>Results for each topic we tried to create.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>error_code</td><td>The error code, or 0 if there was no error.</td></tr>
<tr>
<td>error_message</td><td>The error message, or null if there was no error.</td></tr>
</table>
</p>
<p><pre>CreateTopics Response (Version: 3) => throttle_time_ms [topics] 
  throttle_time_ms => INT32
  topics => name error_code error_message 
    name => STRING
    error_code => INT16
    error_message => NULLABLE_STRING
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>topics</td><td>Results for each topic we tried to create.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>error_code</td><td>The error code, or 0 if there was no error.</td></tr>
<tr>
<td>error_message</td><td>The error message, or null if there was no error.</td></tr>
</table>
</p>
<p><pre>CreateTopics Response (Version: 4) => throttle_time_ms [topics] 
  throttle_time_ms => INT32
  topics => name error_code error_message 
    name => STRING
    error_code => INT16
    error_message => NULLABLE_STRING
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>topics</td><td>Results for each topic we tried to create.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>error_code</td><td>The error code, or 0 if there was no error.</td></tr>
<tr>
<td>error_message</td><td>The error message, or null if there was no error.</td></tr>
</table>
</p>
<p><pre>CreateTopics Response (Version: 5) => throttle_time_ms [topics] TAG_BUFFER 
  throttle_time_ms => INT32
  topics => name error_code error_message num_partitions replication_factor [configs] TAG_BUFFER 
    name => COMPACT_STRING
    error_code => INT16
    error_message => COMPACT_NULLABLE_STRING
    num_partitions => INT32
    replication_factor => INT16
    configs => name value read_only config_source is_sensitive TAG_BUFFER 
      name => COMPACT_STRING
      value => COMPACT_NULLABLE_STRING
      read_only => BOOLEAN
      config_source => INT8
      is_sensitive => BOOLEAN
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>topics</td><td>Results for each topic we tried to create.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>error_code</td><td>The error code, or 0 if there was no error.</td></tr>
<tr>
<td>error_message</td><td>The error message, or null if there was no error.</td></tr>
<tr>
<td>num_partitions</td><td>Number of partitions of the topic.</td></tr>
<tr>
<td>replication_factor</td><td>Replication factor of the topic.</td></tr>
<tr>
<td>configs</td><td>Configuration of the topic.</td></tr>
<tr>
<td>name</td><td>The configuration name.</td></tr>
<tr>
<td>value</td><td>The configuration value.</td></tr>
<tr>
<td>read_only</td><td>True if the configuration is read-only.</td></tr>
<tr>
<td>config_source</td><td>The configuration source.</td></tr>
<tr>
<td>is_sensitive</td><td>True if this configuration is sensitive.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<p><pre>CreateTopics Response (Version: 6) => throttle_time_ms [topics] TAG_BUFFER 
  throttle_time_ms => INT32
  topics => name error_code error_message num_partitions replication_factor [configs] TAG_BUFFER 
    name => COMPACT_STRING
    error_code => INT16
    error_message => COMPACT_NULLABLE_STRING
    num_partitions => INT32
    replication_factor => INT16
    configs => name value read_only config_source is_sensitive TAG_BUFFER 
      name => COMPACT_STRING
      value => COMPACT_NULLABLE_STRING
      read_only => BOOLEAN
      config_source => INT8
      is_sensitive => BOOLEAN
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>topics</td><td>Results for each topic we tried to create.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>error_code</td><td>The error code, or 0 if there was no error.</td></tr>
<tr>
<td>error_message</td><td>The error message, or null if there was no error.</td></tr>
<tr>
<td>num_partitions</td><td>Number of partitions of the topic.</td></tr>
<tr>
<td>replication_factor</td><td>Replication factor of the topic.</td></tr>
<tr>
<td>configs</td><td>Configuration of the topic.</td></tr>
<tr>
<td>name</td><td>The configuration name.</td></tr>
<tr>
<td>value</td><td>The configuration value.</td></tr>
<tr>
<td>read_only</td><td>True if the configuration is read-only.</td></tr>
<tr>
<td>config_source</td><td>The configuration source.</td></tr>
<tr>
<td>is_sensitive</td><td>True if this configuration is sensitive.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<p><pre>CreateTopics Response (Version: 7) => throttle_time_ms [topics] TAG_BUFFER 
  throttle_time_ms => INT32
  topics => name topic_id error_code error_message num_partitions replication_factor [configs] TAG_BUFFER 
    name => COMPACT_STRING
    topic_id => UUID
    error_code => INT16
    error_message => COMPACT_NULLABLE_STRING
    num_partitions => INT32
    replication_factor => INT16
    configs => name value read_only config_source is_sensitive TAG_BUFFER 
      name => COMPACT_STRING
      value => COMPACT_NULLABLE_STRING
      read_only => BOOLEAN
      config_source => INT8
      is_sensitive => BOOLEAN
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>topics</td><td>Results for each topic we tried to create.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>topic_id</td><td>The unique topic ID</td></tr>
<tr>
<td>error_code</td><td>The error code, or 0 if there was no error.</td></tr>
<tr>
<td>error_message</td><td>The error message, or null if there was no error.</td></tr>
<tr>
<td>num_partitions</td><td>Number of partitions of the topic.</td></tr>
<tr>
<td>replication_factor</td><td>Replication factor of the topic.</td></tr>
<tr>
<td>configs</td><td>Configuration of the topic.</td></tr>
<tr>
<td>name</td><td>The configuration name.</td></tr>
<tr>
<td>value</td><td>The configuration value.</td></tr>
<tr>
<td>read_only</td><td>True if the configuration is read-only.</td></tr>
<tr>
<td>config_source</td><td>The configuration source.</td></tr>
<tr>
<td>is_sensitive</td><td>True if this configuration is sensitive.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<h5><a name="The_Messages_DeleteTopics">DeleteTopics API (Key: 20):</a></h5>

<b>Requests:</b><br>
<p><pre>DeleteTopics Request (Version: 0) => [topic_names] timeout_ms 
  topic_names => STRING
  timeout_ms => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>topic_names</td><td>The names of the topics to delete</td></tr>
<tr>
<td>timeout_ms</td><td>The length of time in milliseconds to wait for the deletions to complete.</td></tr>
</table>
</p>
<p><pre>DeleteTopics Request (Version: 1) => [topic_names] timeout_ms 
  topic_names => STRING
  timeout_ms => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>topic_names</td><td>The names of the topics to delete</td></tr>
<tr>
<td>timeout_ms</td><td>The length of time in milliseconds to wait for the deletions to complete.</td></tr>
</table>
</p>
<p><pre>DeleteTopics Request (Version: 2) => [topic_names] timeout_ms 
  topic_names => STRING
  timeout_ms => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>topic_names</td><td>The names of the topics to delete</td></tr>
<tr>
<td>timeout_ms</td><td>The length of time in milliseconds to wait for the deletions to complete.</td></tr>
</table>
</p>
<p><pre>DeleteTopics Request (Version: 3) => [topic_names] timeout_ms 
  topic_names => STRING
  timeout_ms => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>topic_names</td><td>The names of the topics to delete</td></tr>
<tr>
<td>timeout_ms</td><td>The length of time in milliseconds to wait for the deletions to complete.</td></tr>
</table>
</p>
<p><pre>DeleteTopics Request (Version: 4) => [topic_names] timeout_ms TAG_BUFFER 
  topic_names => COMPACT_STRING
  timeout_ms => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>topic_names</td><td>The names of the topics to delete</td></tr>
<tr>
<td>timeout_ms</td><td>The length of time in milliseconds to wait for the deletions to complete.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<p><pre>DeleteTopics Request (Version: 5) => [topic_names] timeout_ms TAG_BUFFER 
  topic_names => COMPACT_STRING
  timeout_ms => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>topic_names</td><td>The names of the topics to delete</td></tr>
<tr>
<td>timeout_ms</td><td>The length of time in milliseconds to wait for the deletions to complete.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<p><pre>DeleteTopics Request (Version: 6) => [topics] timeout_ms TAG_BUFFER 
  topics => name topic_id TAG_BUFFER 
    name => COMPACT_NULLABLE_STRING
    topic_id => UUID
  timeout_ms => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>topics</td><td>The name or topic ID of the topic</td></tr>
<tr>
<td>name</td><td>The topic name</td></tr>
<tr>
<td>topic_id</td><td>The unique topic ID</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>timeout_ms</td><td>The length of time in milliseconds to wait for the deletions to complete.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<b>Responses:</b><br>
<p><pre>DeleteTopics Response (Version: 0) => [responses] 
  responses => name error_code 
    name => STRING
    error_code => INT16
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>responses</td><td>The results for each topic we tried to delete.</td></tr>
<tr>
<td>name</td><td>The topic name</td></tr>
<tr>
<td>error_code</td><td>The deletion error, or 0 if the deletion succeeded.</td></tr>
</table>
</p>
<p><pre>DeleteTopics Response (Version: 1) => throttle_time_ms [responses] 
  throttle_time_ms => INT32
  responses => name error_code 
    name => STRING
    error_code => INT16
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>responses</td><td>The results for each topic we tried to delete.</td></tr>
<tr>
<td>name</td><td>The topic name</td></tr>
<tr>
<td>error_code</td><td>The deletion error, or 0 if the deletion succeeded.</td></tr>
</table>
</p>
<p><pre>DeleteTopics Response (Version: 2) => throttle_time_ms [responses] 
  throttle_time_ms => INT32
  responses => name error_code 
    name => STRING
    error_code => INT16
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>responses</td><td>The results for each topic we tried to delete.</td></tr>
<tr>
<td>name</td><td>The topic name</td></tr>
<tr>
<td>error_code</td><td>The deletion error, or 0 if the deletion succeeded.</td></tr>
</table>
</p>
<p><pre>DeleteTopics Response (Version: 3) => throttle_time_ms [responses] 
  throttle_time_ms => INT32
  responses => name error_code 
    name => STRING
    error_code => INT16
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>responses</td><td>The results for each topic we tried to delete.</td></tr>
<tr>
<td>name</td><td>The topic name</td></tr>
<tr>
<td>error_code</td><td>The deletion error, or 0 if the deletion succeeded.</td></tr>
</table>
</p>
<p><pre>DeleteTopics Response (Version: 4) => throttle_time_ms [responses] TAG_BUFFER 
  throttle_time_ms => INT32
  responses => name error_code TAG_BUFFER 
    name => COMPACT_STRING
    error_code => INT16
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>responses</td><td>The results for each topic we tried to delete.</td></tr>
<tr>
<td>name</td><td>The topic name</td></tr>
<tr>
<td>error_code</td><td>The deletion error, or 0 if the deletion succeeded.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<p><pre>DeleteTopics Response (Version: 5) => throttle_time_ms [responses] TAG_BUFFER 
  throttle_time_ms => INT32
  responses => name error_code error_message TAG_BUFFER 
    name => COMPACT_STRING
    error_code => INT16
    error_message => COMPACT_NULLABLE_STRING
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>responses</td><td>The results for each topic we tried to delete.</td></tr>
<tr>
<td>name</td><td>The topic name</td></tr>
<tr>
<td>error_code</td><td>The deletion error, or 0 if the deletion succeeded.</td></tr>
<tr>
<td>error_message</td><td>The error message, or null if there was no error.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<p><pre>DeleteTopics Response (Version: 6) => throttle_time_ms [responses] TAG_BUFFER 
  throttle_time_ms => INT32
  responses => name topic_id error_code error_message TAG_BUFFER 
    name => COMPACT_NULLABLE_STRING
    topic_id => UUID
    error_code => INT16
    error_message => COMPACT_NULLABLE_STRING
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>responses</td><td>The results for each topic we tried to delete.</td></tr>
<tr>
<td>name</td><td>The topic name</td></tr>
<tr>
<td>topic_id</td><td>the unique topic ID</td></tr>
<tr>
<td>error_code</td><td>The deletion error, or 0 if the deletion succeeded.</td></tr>
<tr>
<td>error_message</td><td>The error message, or null if there was no error.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<h5><a name="The_Messages_DeleteRecords">DeleteRecords API (Key: 21):</a></h5>

<b>Requests:</b><br>
<p><pre>DeleteRecords Request (Version: 0) => [topics] timeout_ms 
  topics => name [partitions] 
    name => STRING
    partitions => partition_index offset 
      partition_index => INT32
      offset => INT64
  timeout_ms => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>topics</td><td>Each topic that we want to delete records from.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>partitions</td><td>Each partition that we want to delete records from.</td></tr>
<tr>
<td>partition_index</td><td>The partition index.</td></tr>
<tr>
<td>offset</td><td>The deletion offset.</td></tr>
<tr>
<td>timeout_ms</td><td>How long to wait for the deletion to complete, in milliseconds.</td></tr>
</table>
</p>
<p><pre>DeleteRecords Request (Version: 1) => [topics] timeout_ms 
  topics => name [partitions] 
    name => STRING
    partitions => partition_index offset 
      partition_index => INT32
      offset => INT64
  timeout_ms => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>topics</td><td>Each topic that we want to delete records from.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>partitions</td><td>Each partition that we want to delete records from.</td></tr>
<tr>
<td>partition_index</td><td>The partition index.</td></tr>
<tr>
<td>offset</td><td>The deletion offset.</td></tr>
<tr>
<td>timeout_ms</td><td>How long to wait for the deletion to complete, in milliseconds.</td></tr>
</table>
</p>
<p><pre>DeleteRecords Request (Version: 2) => [topics] timeout_ms TAG_BUFFER 
  topics => name [partitions] TAG_BUFFER 
    name => COMPACT_STRING
    partitions => partition_index offset TAG_BUFFER 
      partition_index => INT32
      offset => INT64
  timeout_ms => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>topics</td><td>Each topic that we want to delete records from.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>partitions</td><td>Each partition that we want to delete records from.</td></tr>
<tr>
<td>partition_index</td><td>The partition index.</td></tr>
<tr>
<td>offset</td><td>The deletion offset.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>timeout_ms</td><td>How long to wait for the deletion to complete, in milliseconds.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<b>Responses:</b><br>
<p><pre>DeleteRecords Response (Version: 0) => throttle_time_ms [topics] 
  throttle_time_ms => INT32
  topics => name [partitions] 
    name => STRING
    partitions => partition_index low_watermark error_code 
      partition_index => INT32
      low_watermark => INT64
      error_code => INT16
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>topics</td><td>Each topic that we wanted to delete records from.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>partitions</td><td>Each partition that we wanted to delete records from.</td></tr>
<tr>
<td>partition_index</td><td>The partition index.</td></tr>
<tr>
<td>low_watermark</td><td>The partition low water mark.</td></tr>
<tr>
<td>error_code</td><td>The deletion error code, or 0 if the deletion succeeded.</td></tr>
</table>
</p>
<p><pre>DeleteRecords Response (Version: 1) => throttle_time_ms [topics] 
  throttle_time_ms => INT32
  topics => name [partitions] 
    name => STRING
    partitions => partition_index low_watermark error_code 
      partition_index => INT32
      low_watermark => INT64
      error_code => INT16
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>topics</td><td>Each topic that we wanted to delete records from.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>partitions</td><td>Each partition that we wanted to delete records from.</td></tr>
<tr>
<td>partition_index</td><td>The partition index.</td></tr>
<tr>
<td>low_watermark</td><td>The partition low water mark.</td></tr>
<tr>
<td>error_code</td><td>The deletion error code, or 0 if the deletion succeeded.</td></tr>
</table>
</p>
<p><pre>DeleteRecords Response (Version: 2) => throttle_time_ms [topics] TAG_BUFFER 
  throttle_time_ms => INT32
  topics => name [partitions] TAG_BUFFER 
    name => COMPACT_STRING
    partitions => partition_index low_watermark error_code TAG_BUFFER 
      partition_index => INT32
      low_watermark => INT64
      error_code => INT16
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>topics</td><td>Each topic that we wanted to delete records from.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>partitions</td><td>Each partition that we wanted to delete records from.</td></tr>
<tr>
<td>partition_index</td><td>The partition index.</td></tr>
<tr>
<td>low_watermark</td><td>The partition low water mark.</td></tr>
<tr>
<td>error_code</td><td>The deletion error code, or 0 if the deletion succeeded.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<h5><a name="The_Messages_InitProducerId">InitProducerId API (Key: 22):</a></h5>

<b>Requests:</b><br>
<p><pre>InitProducerId Request (Version: 0) => transactional_id transaction_timeout_ms 
  transactional_id => NULLABLE_STRING
  transaction_timeout_ms => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>transactional_id</td><td>The transactional id, or null if the producer is not transactional.</td></tr>
<tr>
<td>transaction_timeout_ms</td><td>The time in ms to wait before aborting idle transactions sent by this producer. This is only relevant if a TransactionalId has been defined.</td></tr>
</table>
</p>
<p><pre>InitProducerId Request (Version: 1) => transactional_id transaction_timeout_ms 
  transactional_id => NULLABLE_STRING
  transaction_timeout_ms => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>transactional_id</td><td>The transactional id, or null if the producer is not transactional.</td></tr>
<tr>
<td>transaction_timeout_ms</td><td>The time in ms to wait before aborting idle transactions sent by this producer. This is only relevant if a TransactionalId has been defined.</td></tr>
</table>
</p>
<p><pre>InitProducerId Request (Version: 2) => transactional_id transaction_timeout_ms TAG_BUFFER 
  transactional_id => COMPACT_NULLABLE_STRING
  transaction_timeout_ms => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>transactional_id</td><td>The transactional id, or null if the producer is not transactional.</td></tr>
<tr>
<td>transaction_timeout_ms</td><td>The time in ms to wait before aborting idle transactions sent by this producer. This is only relevant if a TransactionalId has been defined.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<p><pre>InitProducerId Request (Version: 3) => transactional_id transaction_timeout_ms producer_id producer_epoch TAG_BUFFER 
  transactional_id => COMPACT_NULLABLE_STRING
  transaction_timeout_ms => INT32
  producer_id => INT64
  producer_epoch => INT16
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>transactional_id</td><td>The transactional id, or null if the producer is not transactional.</td></tr>
<tr>
<td>transaction_timeout_ms</td><td>The time in ms to wait before aborting idle transactions sent by this producer. This is only relevant if a TransactionalId has been defined.</td></tr>
<tr>
<td>producer_id</td><td>The producer id. This is used to disambiguate requests if a transactional id is reused following its expiration.</td></tr>
<tr>
<td>producer_epoch</td><td>The producer's current epoch. This will be checked against the producer epoch on the broker, and the request will return an error if they do not match.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<p><pre>InitProducerId Request (Version: 4) => transactional_id transaction_timeout_ms producer_id producer_epoch TAG_BUFFER 
  transactional_id => COMPACT_NULLABLE_STRING
  transaction_timeout_ms => INT32
  producer_id => INT64
  producer_epoch => INT16
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>transactional_id</td><td>The transactional id, or null if the producer is not transactional.</td></tr>
<tr>
<td>transaction_timeout_ms</td><td>The time in ms to wait before aborting idle transactions sent by this producer. This is only relevant if a TransactionalId has been defined.</td></tr>
<tr>
<td>producer_id</td><td>The producer id. This is used to disambiguate requests if a transactional id is reused following its expiration.</td></tr>
<tr>
<td>producer_epoch</td><td>The producer's current epoch. This will be checked against the producer epoch on the broker, and the request will return an error if they do not match.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<b>Responses:</b><br>
<p><pre>InitProducerId Response (Version: 0) => throttle_time_ms error_code producer_id producer_epoch 
  throttle_time_ms => INT32
  error_code => INT16
  producer_id => INT64
  producer_epoch => INT16
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>error_code</td><td>The error code, or 0 if there was no error.</td></tr>
<tr>
<td>producer_id</td><td>The current producer id.</td></tr>
<tr>
<td>producer_epoch</td><td>The current epoch associated with the producer id.</td></tr>
</table>
</p>
<p><pre>InitProducerId Response (Version: 1) => throttle_time_ms error_code producer_id producer_epoch 
  throttle_time_ms => INT32
  error_code => INT16
  producer_id => INT64
  producer_epoch => INT16
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>error_code</td><td>The error code, or 0 if there was no error.</td></tr>
<tr>
<td>producer_id</td><td>The current producer id.</td></tr>
<tr>
<td>producer_epoch</td><td>The current epoch associated with the producer id.</td></tr>
</table>
</p>
<p><pre>InitProducerId Response (Version: 2) => throttle_time_ms error_code producer_id producer_epoch TAG_BUFFER 
  throttle_time_ms => INT32
  error_code => INT16
  producer_id => INT64
  producer_epoch => INT16
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>error_code</td><td>The error code, or 0 if there was no error.</td></tr>
<tr>
<td>producer_id</td><td>The current producer id.</td></tr>
<tr>
<td>producer_epoch</td><td>The current epoch associated with the producer id.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<p><pre>InitProducerId Response (Version: 3) => throttle_time_ms error_code producer_id producer_epoch TAG_BUFFER 
  throttle_time_ms => INT32
  error_code => INT16
  producer_id => INT64
  producer_epoch => INT16
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>error_code</td><td>The error code, or 0 if there was no error.</td></tr>
<tr>
<td>producer_id</td><td>The current producer id.</td></tr>
<tr>
<td>producer_epoch</td><td>The current epoch associated with the producer id.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<p><pre>InitProducerId Response (Version: 4) => throttle_time_ms error_code producer_id producer_epoch TAG_BUFFER 
  throttle_time_ms => INT32
  error_code => INT16
  producer_id => INT64
  producer_epoch => INT16
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>error_code</td><td>The error code, or 0 if there was no error.</td></tr>
<tr>
<td>producer_id</td><td>The current producer id.</td></tr>
<tr>
<td>producer_epoch</td><td>The current epoch associated with the producer id.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<h5><a name="The_Messages_OffsetForLeaderEpoch">OffsetForLeaderEpoch API (Key: 23):</a></h5>

<b>Requests:</b><br>
<p><pre>OffsetForLeaderEpoch Request (Version: 0) => [topics] 
  topics => topic [partitions] 
    topic => STRING
    partitions => partition leader_epoch 
      partition => INT32
      leader_epoch => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>topics</td><td>Each topic to get offsets for.</td></tr>
<tr>
<td>topic</td><td>The topic name.</td></tr>
<tr>
<td>partitions</td><td>Each partition to get offsets for.</td></tr>
<tr>
<td>partition</td><td>The partition index.</td></tr>
<tr>
<td>leader_epoch</td><td>The epoch to look up an offset for.</td></tr>
</table>
</p>
<p><pre>OffsetForLeaderEpoch Request (Version: 1) => [topics] 
  topics => topic [partitions] 
    topic => STRING
    partitions => partition leader_epoch 
      partition => INT32
      leader_epoch => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>topics</td><td>Each topic to get offsets for.</td></tr>
<tr>
<td>topic</td><td>The topic name.</td></tr>
<tr>
<td>partitions</td><td>Each partition to get offsets for.</td></tr>
<tr>
<td>partition</td><td>The partition index.</td></tr>
<tr>
<td>leader_epoch</td><td>The epoch to look up an offset for.</td></tr>
</table>
</p>
<p><pre>OffsetForLeaderEpoch Request (Version: 2) => [topics] 
  topics => topic [partitions] 
    topic => STRING
    partitions => partition current_leader_epoch leader_epoch 
      partition => INT32
      current_leader_epoch => INT32
      leader_epoch => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>topics</td><td>Each topic to get offsets for.</td></tr>
<tr>
<td>topic</td><td>The topic name.</td></tr>
<tr>
<td>partitions</td><td>Each partition to get offsets for.</td></tr>
<tr>
<td>partition</td><td>The partition index.</td></tr>
<tr>
<td>current_leader_epoch</td><td>An epoch used to fence consumers/replicas with old metadata. If the epoch provided by the client is larger than the current epoch known to the broker, then the UNKNOWN_LEADER_EPOCH error code will be returned. If the provided epoch is smaller, then the FENCED_LEADER_EPOCH error code will be returned.</td></tr>
<tr>
<td>leader_epoch</td><td>The epoch to look up an offset for.</td></tr>
</table>
</p>
<p><pre>OffsetForLeaderEpoch Request (Version: 3) => replica_id [topics] 
  replica_id => INT32
  topics => topic [partitions] 
    topic => STRING
    partitions => partition current_leader_epoch leader_epoch 
      partition => INT32
      current_leader_epoch => INT32
      leader_epoch => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>replica_id</td><td>The broker ID of the follower, of -1 if this request is from a consumer.</td></tr>
<tr>
<td>topics</td><td>Each topic to get offsets for.</td></tr>
<tr>
<td>topic</td><td>The topic name.</td></tr>
<tr>
<td>partitions</td><td>Each partition to get offsets for.</td></tr>
<tr>
<td>partition</td><td>The partition index.</td></tr>
<tr>
<td>current_leader_epoch</td><td>An epoch used to fence consumers/replicas with old metadata. If the epoch provided by the client is larger than the current epoch known to the broker, then the UNKNOWN_LEADER_EPOCH error code will be returned. If the provided epoch is smaller, then the FENCED_LEADER_EPOCH error code will be returned.</td></tr>
<tr>
<td>leader_epoch</td><td>The epoch to look up an offset for.</td></tr>
</table>
</p>
<p><pre>OffsetForLeaderEpoch Request (Version: 4) => replica_id [topics] TAG_BUFFER 
  replica_id => INT32
  topics => topic [partitions] TAG_BUFFER 
    topic => COMPACT_STRING
    partitions => partition current_leader_epoch leader_epoch TAG_BUFFER 
      partition => INT32
      current_leader_epoch => INT32
      leader_epoch => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>replica_id</td><td>The broker ID of the follower, of -1 if this request is from a consumer.</td></tr>
<tr>
<td>topics</td><td>Each topic to get offsets for.</td></tr>
<tr>
<td>topic</td><td>The topic name.</td></tr>
<tr>
<td>partitions</td><td>Each partition to get offsets for.</td></tr>
<tr>
<td>partition</td><td>The partition index.</td></tr>
<tr>
<td>current_leader_epoch</td><td>An epoch used to fence consumers/replicas with old metadata. If the epoch provided by the client is larger than the current epoch known to the broker, then the UNKNOWN_LEADER_EPOCH error code will be returned. If the provided epoch is smaller, then the FENCED_LEADER_EPOCH error code will be returned.</td></tr>
<tr>
<td>leader_epoch</td><td>The epoch to look up an offset for.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<b>Responses:</b><br>
<p><pre>OffsetForLeaderEpoch Response (Version: 0) => [topics] 
  topics => topic [partitions] 
    topic => STRING
    partitions => error_code partition end_offset 
      error_code => INT16
      partition => INT32
      end_offset => INT64
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>topics</td><td>Each topic we fetched offsets for.</td></tr>
<tr>
<td>topic</td><td>The topic name.</td></tr>
<tr>
<td>partitions</td><td>Each partition in the topic we fetched offsets for.</td></tr>
<tr>
<td>error_code</td><td>The error code 0, or if there was no error.</td></tr>
<tr>
<td>partition</td><td>The partition index.</td></tr>
<tr>
<td>end_offset</td><td>The end offset of the epoch.</td></tr>
</table>
</p>
<p><pre>OffsetForLeaderEpoch Response (Version: 1) => [topics] 
  topics => topic [partitions] 
    topic => STRING
    partitions => error_code partition leader_epoch end_offset 
      error_code => INT16
      partition => INT32
      leader_epoch => INT32
      end_offset => INT64
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>topics</td><td>Each topic we fetched offsets for.</td></tr>
<tr>
<td>topic</td><td>The topic name.</td></tr>
<tr>
<td>partitions</td><td>Each partition in the topic we fetched offsets for.</td></tr>
<tr>
<td>error_code</td><td>The error code 0, or if there was no error.</td></tr>
<tr>
<td>partition</td><td>The partition index.</td></tr>
<tr>
<td>leader_epoch</td><td>The leader epoch of the partition.</td></tr>
<tr>
<td>end_offset</td><td>The end offset of the epoch.</td></tr>
</table>
</p>
<p><pre>OffsetForLeaderEpoch Response (Version: 2) => throttle_time_ms [topics] 
  throttle_time_ms => INT32
  topics => topic [partitions] 
    topic => STRING
    partitions => error_code partition leader_epoch end_offset 
      error_code => INT16
      partition => INT32
      leader_epoch => INT32
      end_offset => INT64
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>topics</td><td>Each topic we fetched offsets for.</td></tr>
<tr>
<td>topic</td><td>The topic name.</td></tr>
<tr>
<td>partitions</td><td>Each partition in the topic we fetched offsets for.</td></tr>
<tr>
<td>error_code</td><td>The error code 0, or if there was no error.</td></tr>
<tr>
<td>partition</td><td>The partition index.</td></tr>
<tr>
<td>leader_epoch</td><td>The leader epoch of the partition.</td></tr>
<tr>
<td>end_offset</td><td>The end offset of the epoch.</td></tr>
</table>
</p>
<p><pre>OffsetForLeaderEpoch Response (Version: 3) => throttle_time_ms [topics] 
  throttle_time_ms => INT32
  topics => topic [partitions] 
    topic => STRING
    partitions => error_code partition leader_epoch end_offset 
      error_code => INT16
      partition => INT32
      leader_epoch => INT32
      end_offset => INT64
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>topics</td><td>Each topic we fetched offsets for.</td></tr>
<tr>
<td>topic</td><td>The topic name.</td></tr>
<tr>
<td>partitions</td><td>Each partition in the topic we fetched offsets for.</td></tr>
<tr>
<td>error_code</td><td>The error code 0, or if there was no error.</td></tr>
<tr>
<td>partition</td><td>The partition index.</td></tr>
<tr>
<td>leader_epoch</td><td>The leader epoch of the partition.</td></tr>
<tr>
<td>end_offset</td><td>The end offset of the epoch.</td></tr>
</table>
</p>
<p><pre>OffsetForLeaderEpoch Response (Version: 4) => throttle_time_ms [topics] TAG_BUFFER 
  throttle_time_ms => INT32
  topics => topic [partitions] TAG_BUFFER 
    topic => COMPACT_STRING
    partitions => error_code partition leader_epoch end_offset TAG_BUFFER 
      error_code => INT16
      partition => INT32
      leader_epoch => INT32
      end_offset => INT64
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>topics</td><td>Each topic we fetched offsets for.</td></tr>
<tr>
<td>topic</td><td>The topic name.</td></tr>
<tr>
<td>partitions</td><td>Each partition in the topic we fetched offsets for.</td></tr>
<tr>
<td>error_code</td><td>The error code 0, or if there was no error.</td></tr>
<tr>
<td>partition</td><td>The partition index.</td></tr>
<tr>
<td>leader_epoch</td><td>The leader epoch of the partition.</td></tr>
<tr>
<td>end_offset</td><td>The end offset of the epoch.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<h5><a name="The_Messages_AddPartitionsToTxn">AddPartitionsToTxn API (Key: 24):</a></h5>

<b>Requests:</b><br>
<p><pre>AddPartitionsToTxn Request (Version: 0) => transactional_id producer_id producer_epoch [topics] 
  transactional_id => STRING
  producer_id => INT64
  producer_epoch => INT16
  topics => name [partitions] 
    name => STRING
    partitions => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>transactional_id</td><td>The transactional id corresponding to the transaction.</td></tr>
<tr>
<td>producer_id</td><td>Current producer id in use by the transactional id.</td></tr>
<tr>
<td>producer_epoch</td><td>Current epoch associated with the producer id.</td></tr>
<tr>
<td>topics</td><td>The partitions to add to the transaction.</td></tr>
<tr>
<td>name</td><td>The name of the topic.</td></tr>
<tr>
<td>partitions</td><td>The partition indexes to add to the transaction</td></tr>
</table>
</p>
<p><pre>AddPartitionsToTxn Request (Version: 1) => transactional_id producer_id producer_epoch [topics] 
  transactional_id => STRING
  producer_id => INT64
  producer_epoch => INT16
  topics => name [partitions] 
    name => STRING
    partitions => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>transactional_id</td><td>The transactional id corresponding to the transaction.</td></tr>
<tr>
<td>producer_id</td><td>Current producer id in use by the transactional id.</td></tr>
<tr>
<td>producer_epoch</td><td>Current epoch associated with the producer id.</td></tr>
<tr>
<td>topics</td><td>The partitions to add to the transaction.</td></tr>
<tr>
<td>name</td><td>The name of the topic.</td></tr>
<tr>
<td>partitions</td><td>The partition indexes to add to the transaction</td></tr>
</table>
</p>
<p><pre>AddPartitionsToTxn Request (Version: 2) => transactional_id producer_id producer_epoch [topics] 
  transactional_id => STRING
  producer_id => INT64
  producer_epoch => INT16
  topics => name [partitions] 
    name => STRING
    partitions => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>transactional_id</td><td>The transactional id corresponding to the transaction.</td></tr>
<tr>
<td>producer_id</td><td>Current producer id in use by the transactional id.</td></tr>
<tr>
<td>producer_epoch</td><td>Current epoch associated with the producer id.</td></tr>
<tr>
<td>topics</td><td>The partitions to add to the transaction.</td></tr>
<tr>
<td>name</td><td>The name of the topic.</td></tr>
<tr>
<td>partitions</td><td>The partition indexes to add to the transaction</td></tr>
</table>
</p>
<p><pre>AddPartitionsToTxn Request (Version: 3) => transactional_id producer_id producer_epoch [topics] TAG_BUFFER 
  transactional_id => COMPACT_STRING
  producer_id => INT64
  producer_epoch => INT16
  topics => name [partitions] TAG_BUFFER 
    name => COMPACT_STRING
    partitions => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>transactional_id</td><td>The transactional id corresponding to the transaction.</td></tr>
<tr>
<td>producer_id</td><td>Current producer id in use by the transactional id.</td></tr>
<tr>
<td>producer_epoch</td><td>Current epoch associated with the producer id.</td></tr>
<tr>
<td>topics</td><td>The partitions to add to the transaction.</td></tr>
<tr>
<td>name</td><td>The name of the topic.</td></tr>
<tr>
<td>partitions</td><td>The partition indexes to add to the transaction</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<b>Responses:</b><br>
<p><pre>AddPartitionsToTxn Response (Version: 0) => throttle_time_ms [results] 
  throttle_time_ms => INT32
  results => name [results] 
    name => STRING
    results => partition_index error_code 
      partition_index => INT32
      error_code => INT16
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>Duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>results</td><td>The results for each topic.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>results</td><td>The results for each partition</td></tr>
<tr>
<td>partition_index</td><td>The partition indexes.</td></tr>
<tr>
<td>error_code</td><td>The response error code.</td></tr>
</table>
</p>
<p><pre>AddPartitionsToTxn Response (Version: 1) => throttle_time_ms [results] 
  throttle_time_ms => INT32
  results => name [results] 
    name => STRING
    results => partition_index error_code 
      partition_index => INT32
      error_code => INT16
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>Duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>results</td><td>The results for each topic.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>results</td><td>The results for each partition</td></tr>
<tr>
<td>partition_index</td><td>The partition indexes.</td></tr>
<tr>
<td>error_code</td><td>The response error code.</td></tr>
</table>
</p>
<p><pre>AddPartitionsToTxn Response (Version: 2) => throttle_time_ms [results] 
  throttle_time_ms => INT32
  results => name [results] 
    name => STRING
    results => partition_index error_code 
      partition_index => INT32
      error_code => INT16
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>Duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>results</td><td>The results for each topic.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>results</td><td>The results for each partition</td></tr>
<tr>
<td>partition_index</td><td>The partition indexes.</td></tr>
<tr>
<td>error_code</td><td>The response error code.</td></tr>
</table>
</p>
<p><pre>AddPartitionsToTxn Response (Version: 3) => throttle_time_ms [results] TAG_BUFFER 
  throttle_time_ms => INT32
  results => name [results] TAG_BUFFER 
    name => COMPACT_STRING
    results => partition_index error_code TAG_BUFFER 
      partition_index => INT32
      error_code => INT16
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>Duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>results</td><td>The results for each topic.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>results</td><td>The results for each partition</td></tr>
<tr>
<td>partition_index</td><td>The partition indexes.</td></tr>
<tr>
<td>error_code</td><td>The response error code.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<h5><a name="The_Messages_AddOffsetsToTxn">AddOffsetsToTxn API (Key: 25):</a></h5>

<b>Requests:</b><br>
<p><pre>AddOffsetsToTxn Request (Version: 0) => transactional_id producer_id producer_epoch group_id 
  transactional_id => STRING
  producer_id => INT64
  producer_epoch => INT16
  group_id => STRING
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>transactional_id</td><td>The transactional id corresponding to the transaction.</td></tr>
<tr>
<td>producer_id</td><td>Current producer id in use by the transactional id.</td></tr>
<tr>
<td>producer_epoch</td><td>Current epoch associated with the producer id.</td></tr>
<tr>
<td>group_id</td><td>The unique group identifier.</td></tr>
</table>
</p>
<p><pre>AddOffsetsToTxn Request (Version: 1) => transactional_id producer_id producer_epoch group_id 
  transactional_id => STRING
  producer_id => INT64
  producer_epoch => INT16
  group_id => STRING
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>transactional_id</td><td>The transactional id corresponding to the transaction.</td></tr>
<tr>
<td>producer_id</td><td>Current producer id in use by the transactional id.</td></tr>
<tr>
<td>producer_epoch</td><td>Current epoch associated with the producer id.</td></tr>
<tr>
<td>group_id</td><td>The unique group identifier.</td></tr>
</table>
</p>
<p><pre>AddOffsetsToTxn Request (Version: 2) => transactional_id producer_id producer_epoch group_id 
  transactional_id => STRING
  producer_id => INT64
  producer_epoch => INT16
  group_id => STRING
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>transactional_id</td><td>The transactional id corresponding to the transaction.</td></tr>
<tr>
<td>producer_id</td><td>Current producer id in use by the transactional id.</td></tr>
<tr>
<td>producer_epoch</td><td>Current epoch associated with the producer id.</td></tr>
<tr>
<td>group_id</td><td>The unique group identifier.</td></tr>
</table>
</p>
<p><pre>AddOffsetsToTxn Request (Version: 3) => transactional_id producer_id producer_epoch group_id TAG_BUFFER 
  transactional_id => COMPACT_STRING
  producer_id => INT64
  producer_epoch => INT16
  group_id => COMPACT_STRING
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>transactional_id</td><td>The transactional id corresponding to the transaction.</td></tr>
<tr>
<td>producer_id</td><td>Current producer id in use by the transactional id.</td></tr>
<tr>
<td>producer_epoch</td><td>Current epoch associated with the producer id.</td></tr>
<tr>
<td>group_id</td><td>The unique group identifier.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<b>Responses:</b><br>
<p><pre>AddOffsetsToTxn Response (Version: 0) => throttle_time_ms error_code 
  throttle_time_ms => INT32
  error_code => INT16
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>Duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>error_code</td><td>The response error code, or 0 if there was no error.</td></tr>
</table>
</p>
<p><pre>AddOffsetsToTxn Response (Version: 1) => throttle_time_ms error_code 
  throttle_time_ms => INT32
  error_code => INT16
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>Duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>error_code</td><td>The response error code, or 0 if there was no error.</td></tr>
</table>
</p>
<p><pre>AddOffsetsToTxn Response (Version: 2) => throttle_time_ms error_code 
  throttle_time_ms => INT32
  error_code => INT16
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>Duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>error_code</td><td>The response error code, or 0 if there was no error.</td></tr>
</table>
</p>
<p><pre>AddOffsetsToTxn Response (Version: 3) => throttle_time_ms error_code TAG_BUFFER 
  throttle_time_ms => INT32
  error_code => INT16
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>Duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>error_code</td><td>The response error code, or 0 if there was no error.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<h5><a name="The_Messages_EndTxn">EndTxn API (Key: 26):</a></h5>

<b>Requests:</b><br>
<p><pre>EndTxn Request (Version: 0) => transactional_id producer_id producer_epoch committed 
  transactional_id => STRING
  producer_id => INT64
  producer_epoch => INT16
  committed => BOOLEAN
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>transactional_id</td><td>The ID of the transaction to end.</td></tr>
<tr>
<td>producer_id</td><td>The producer ID.</td></tr>
<tr>
<td>producer_epoch</td><td>The current epoch associated with the producer.</td></tr>
<tr>
<td>committed</td><td>True if the transaction was committed, false if it was aborted.</td></tr>
</table>
</p>
<p><pre>EndTxn Request (Version: 1) => transactional_id producer_id producer_epoch committed 
  transactional_id => STRING
  producer_id => INT64
  producer_epoch => INT16
  committed => BOOLEAN
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>transactional_id</td><td>The ID of the transaction to end.</td></tr>
<tr>
<td>producer_id</td><td>The producer ID.</td></tr>
<tr>
<td>producer_epoch</td><td>The current epoch associated with the producer.</td></tr>
<tr>
<td>committed</td><td>True if the transaction was committed, false if it was aborted.</td></tr>
</table>
</p>
<p><pre>EndTxn Request (Version: 2) => transactional_id producer_id producer_epoch committed 
  transactional_id => STRING
  producer_id => INT64
  producer_epoch => INT16
  committed => BOOLEAN
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>transactional_id</td><td>The ID of the transaction to end.</td></tr>
<tr>
<td>producer_id</td><td>The producer ID.</td></tr>
<tr>
<td>producer_epoch</td><td>The current epoch associated with the producer.</td></tr>
<tr>
<td>committed</td><td>True if the transaction was committed, false if it was aborted.</td></tr>
</table>
</p>
<p><pre>EndTxn Request (Version: 3) => transactional_id producer_id producer_epoch committed TAG_BUFFER 
  transactional_id => COMPACT_STRING
  producer_id => INT64
  producer_epoch => INT16
  committed => BOOLEAN
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>transactional_id</td><td>The ID of the transaction to end.</td></tr>
<tr>
<td>producer_id</td><td>The producer ID.</td></tr>
<tr>
<td>producer_epoch</td><td>The current epoch associated with the producer.</td></tr>
<tr>
<td>committed</td><td>True if the transaction was committed, false if it was aborted.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<b>Responses:</b><br>
<p><pre>EndTxn Response (Version: 0) => throttle_time_ms error_code 
  throttle_time_ms => INT32
  error_code => INT16
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>error_code</td><td>The error code, or 0 if there was no error.</td></tr>
</table>
</p>
<p><pre>EndTxn Response (Version: 1) => throttle_time_ms error_code 
  throttle_time_ms => INT32
  error_code => INT16
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>error_code</td><td>The error code, or 0 if there was no error.</td></tr>
</table>
</p>
<p><pre>EndTxn Response (Version: 2) => throttle_time_ms error_code 
  throttle_time_ms => INT32
  error_code => INT16
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>error_code</td><td>The error code, or 0 if there was no error.</td></tr>
</table>
</p>
<p><pre>EndTxn Response (Version: 3) => throttle_time_ms error_code TAG_BUFFER 
  throttle_time_ms => INT32
  error_code => INT16
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>error_code</td><td>The error code, or 0 if there was no error.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<h5><a name="The_Messages_WriteTxnMarkers">WriteTxnMarkers API (Key: 27):</a></h5>

<b>Requests:</b><br>
<p><pre>WriteTxnMarkers Request (Version: 0) => [markers] 
  markers => producer_id producer_epoch transaction_result [topics] coordinator_epoch 
    producer_id => INT64
    producer_epoch => INT16
    transaction_result => BOOLEAN
    topics => name [partition_indexes] 
      name => STRING
      partition_indexes => INT32
    coordinator_epoch => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>markers</td><td>The transaction markers to be written.</td></tr>
<tr>
<td>producer_id</td><td>The current producer ID.</td></tr>
<tr>
<td>producer_epoch</td><td>The current epoch associated with the producer ID.</td></tr>
<tr>
<td>transaction_result</td><td>The result of the transaction to write to the partitions (false = ABORT, true = COMMIT).</td></tr>
<tr>
<td>topics</td><td>Each topic that we want to write transaction marker(s) for.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>partition_indexes</td><td>The indexes of the partitions to write transaction markers for.</td></tr>
<tr>
<td>coordinator_epoch</td><td>Epoch associated with the transaction state partition hosted by this transaction coordinator</td></tr>
</table>
</p>
<p><pre>WriteTxnMarkers Request (Version: 1) => [markers] TAG_BUFFER 
  markers => producer_id producer_epoch transaction_result [topics] coordinator_epoch TAG_BUFFER 
    producer_id => INT64
    producer_epoch => INT16
    transaction_result => BOOLEAN
    topics => name [partition_indexes] TAG_BUFFER 
      name => COMPACT_STRING
      partition_indexes => INT32
    coordinator_epoch => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>markers</td><td>The transaction markers to be written.</td></tr>
<tr>
<td>producer_id</td><td>The current producer ID.</td></tr>
<tr>
<td>producer_epoch</td><td>The current epoch associated with the producer ID.</td></tr>
<tr>
<td>transaction_result</td><td>The result of the transaction to write to the partitions (false = ABORT, true = COMMIT).</td></tr>
<tr>
<td>topics</td><td>Each topic that we want to write transaction marker(s) for.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>partition_indexes</td><td>The indexes of the partitions to write transaction markers for.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>coordinator_epoch</td><td>Epoch associated with the transaction state partition hosted by this transaction coordinator</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<b>Responses:</b><br>
<p><pre>WriteTxnMarkers Response (Version: 0) => [markers] 
  markers => producer_id [topics] 
    producer_id => INT64
    topics => name [partitions] 
      name => STRING
      partitions => partition_index error_code 
        partition_index => INT32
        error_code => INT16
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>markers</td><td>The results for writing makers.</td></tr>
<tr>
<td>producer_id</td><td>The current producer ID in use by the transactional ID.</td></tr>
<tr>
<td>topics</td><td>The results by topic.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>partitions</td><td>The results by partition.</td></tr>
<tr>
<td>partition_index</td><td>The partition index.</td></tr>
<tr>
<td>error_code</td><td>The error code, or 0 if there was no error.</td></tr>
</table>
</p>
<p><pre>WriteTxnMarkers Response (Version: 1) => [markers] TAG_BUFFER 
  markers => producer_id [topics] TAG_BUFFER 
    producer_id => INT64
    topics => name [partitions] TAG_BUFFER 
      name => COMPACT_STRING
      partitions => partition_index error_code TAG_BUFFER 
        partition_index => INT32
        error_code => INT16
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>markers</td><td>The results for writing makers.</td></tr>
<tr>
<td>producer_id</td><td>The current producer ID in use by the transactional ID.</td></tr>
<tr>
<td>topics</td><td>The results by topic.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>partitions</td><td>The results by partition.</td></tr>
<tr>
<td>partition_index</td><td>The partition index.</td></tr>
<tr>
<td>error_code</td><td>The error code, or 0 if there was no error.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<h5><a name="The_Messages_TxnOffsetCommit">TxnOffsetCommit API (Key: 28):</a></h5>

<b>Requests:</b><br>
<p><pre>TxnOffsetCommit Request (Version: 0) => transactional_id group_id producer_id producer_epoch [topics] 
  transactional_id => STRING
  group_id => STRING
  producer_id => INT64
  producer_epoch => INT16
  topics => name [partitions] 
    name => STRING
    partitions => partition_index committed_offset committed_metadata 
      partition_index => INT32
      committed_offset => INT64
      committed_metadata => NULLABLE_STRING
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>transactional_id</td><td>The ID of the transaction.</td></tr>
<tr>
<td>group_id</td><td>The ID of the group.</td></tr>
<tr>
<td>producer_id</td><td>The current producer ID in use by the transactional ID.</td></tr>
<tr>
<td>producer_epoch</td><td>The current epoch associated with the producer ID.</td></tr>
<tr>
<td>topics</td><td>Each topic that we want to commit offsets for.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>partitions</td><td>The partitions inside the topic that we want to committ offsets for.</td></tr>
<tr>
<td>partition_index</td><td>The index of the partition within the topic.</td></tr>
<tr>
<td>committed_offset</td><td>The message offset to be committed.</td></tr>
<tr>
<td>committed_metadata</td><td>Any associated metadata the client wants to keep.</td></tr>
</table>
</p>
<p><pre>TxnOffsetCommit Request (Version: 1) => transactional_id group_id producer_id producer_epoch [topics] 
  transactional_id => STRING
  group_id => STRING
  producer_id => INT64
  producer_epoch => INT16
  topics => name [partitions] 
    name => STRING
    partitions => partition_index committed_offset committed_metadata 
      partition_index => INT32
      committed_offset => INT64
      committed_metadata => NULLABLE_STRING
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>transactional_id</td><td>The ID of the transaction.</td></tr>
<tr>
<td>group_id</td><td>The ID of the group.</td></tr>
<tr>
<td>producer_id</td><td>The current producer ID in use by the transactional ID.</td></tr>
<tr>
<td>producer_epoch</td><td>The current epoch associated with the producer ID.</td></tr>
<tr>
<td>topics</td><td>Each topic that we want to commit offsets for.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>partitions</td><td>The partitions inside the topic that we want to committ offsets for.</td></tr>
<tr>
<td>partition_index</td><td>The index of the partition within the topic.</td></tr>
<tr>
<td>committed_offset</td><td>The message offset to be committed.</td></tr>
<tr>
<td>committed_metadata</td><td>Any associated metadata the client wants to keep.</td></tr>
</table>
</p>
<p><pre>TxnOffsetCommit Request (Version: 2) => transactional_id group_id producer_id producer_epoch [topics] 
  transactional_id => STRING
  group_id => STRING
  producer_id => INT64
  producer_epoch => INT16
  topics => name [partitions] 
    name => STRING
    partitions => partition_index committed_offset committed_leader_epoch committed_metadata 
      partition_index => INT32
      committed_offset => INT64
      committed_leader_epoch => INT32
      committed_metadata => NULLABLE_STRING
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>transactional_id</td><td>The ID of the transaction.</td></tr>
<tr>
<td>group_id</td><td>The ID of the group.</td></tr>
<tr>
<td>producer_id</td><td>The current producer ID in use by the transactional ID.</td></tr>
<tr>
<td>producer_epoch</td><td>The current epoch associated with the producer ID.</td></tr>
<tr>
<td>topics</td><td>Each topic that we want to commit offsets for.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>partitions</td><td>The partitions inside the topic that we want to committ offsets for.</td></tr>
<tr>
<td>partition_index</td><td>The index of the partition within the topic.</td></tr>
<tr>
<td>committed_offset</td><td>The message offset to be committed.</td></tr>
<tr>
<td>committed_leader_epoch</td><td>The leader epoch of the last consumed record.</td></tr>
<tr>
<td>committed_metadata</td><td>Any associated metadata the client wants to keep.</td></tr>
</table>
</p>
<p><pre>TxnOffsetCommit Request (Version: 3) => transactional_id group_id producer_id producer_epoch generation_id member_id group_instance_id [topics] TAG_BUFFER 
  transactional_id => COMPACT_STRING
  group_id => COMPACT_STRING
  producer_id => INT64
  producer_epoch => INT16
  generation_id => INT32
  member_id => COMPACT_STRING
  group_instance_id => COMPACT_NULLABLE_STRING
  topics => name [partitions] TAG_BUFFER 
    name => COMPACT_STRING
    partitions => partition_index committed_offset committed_leader_epoch committed_metadata TAG_BUFFER 
      partition_index => INT32
      committed_offset => INT64
      committed_leader_epoch => INT32
      committed_metadata => COMPACT_NULLABLE_STRING
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>transactional_id</td><td>The ID of the transaction.</td></tr>
<tr>
<td>group_id</td><td>The ID of the group.</td></tr>
<tr>
<td>producer_id</td><td>The current producer ID in use by the transactional ID.</td></tr>
<tr>
<td>producer_epoch</td><td>The current epoch associated with the producer ID.</td></tr>
<tr>
<td>generation_id</td><td>The generation of the consumer.</td></tr>
<tr>
<td>member_id</td><td>The member ID assigned by the group coordinator.</td></tr>
<tr>
<td>group_instance_id</td><td>The unique identifier of the consumer instance provided by end user.</td></tr>
<tr>
<td>topics</td><td>Each topic that we want to commit offsets for.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>partitions</td><td>The partitions inside the topic that we want to committ offsets for.</td></tr>
<tr>
<td>partition_index</td><td>The index of the partition within the topic.</td></tr>
<tr>
<td>committed_offset</td><td>The message offset to be committed.</td></tr>
<tr>
<td>committed_leader_epoch</td><td>The leader epoch of the last consumed record.</td></tr>
<tr>
<td>committed_metadata</td><td>Any associated metadata the client wants to keep.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<b>Responses:</b><br>
<p><pre>TxnOffsetCommit Response (Version: 0) => throttle_time_ms [topics] 
  throttle_time_ms => INT32
  topics => name [partitions] 
    name => STRING
    partitions => partition_index error_code 
      partition_index => INT32
      error_code => INT16
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>topics</td><td>The responses for each topic.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>partitions</td><td>The responses for each partition in the topic.</td></tr>
<tr>
<td>partition_index</td><td>The partition index.</td></tr>
<tr>
<td>error_code</td><td>The error code, or 0 if there was no error.</td></tr>
</table>
</p>
<p><pre>TxnOffsetCommit Response (Version: 1) => throttle_time_ms [topics] 
  throttle_time_ms => INT32
  topics => name [partitions] 
    name => STRING
    partitions => partition_index error_code 
      partition_index => INT32
      error_code => INT16
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>topics</td><td>The responses for each topic.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>partitions</td><td>The responses for each partition in the topic.</td></tr>
<tr>
<td>partition_index</td><td>The partition index.</td></tr>
<tr>
<td>error_code</td><td>The error code, or 0 if there was no error.</td></tr>
</table>
</p>
<p><pre>TxnOffsetCommit Response (Version: 2) => throttle_time_ms [topics] 
  throttle_time_ms => INT32
  topics => name [partitions] 
    name => STRING
    partitions => partition_index error_code 
      partition_index => INT32
      error_code => INT16
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>topics</td><td>The responses for each topic.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>partitions</td><td>The responses for each partition in the topic.</td></tr>
<tr>
<td>partition_index</td><td>The partition index.</td></tr>
<tr>
<td>error_code</td><td>The error code, or 0 if there was no error.</td></tr>
</table>
</p>
<p><pre>TxnOffsetCommit Response (Version: 3) => throttle_time_ms [topics] TAG_BUFFER 
  throttle_time_ms => INT32
  topics => name [partitions] TAG_BUFFER 
    name => COMPACT_STRING
    partitions => partition_index error_code TAG_BUFFER 
      partition_index => INT32
      error_code => INT16
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>topics</td><td>The responses for each topic.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>partitions</td><td>The responses for each partition in the topic.</td></tr>
<tr>
<td>partition_index</td><td>The partition index.</td></tr>
<tr>
<td>error_code</td><td>The error code, or 0 if there was no error.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<h5><a name="The_Messages_DescribeAcls">DescribeAcls API (Key: 29):</a></h5>

<b>Requests:</b><br>
<p><pre>DescribeAcls Request (Version: 0) => resource_type_filter resource_name_filter principal_filter host_filter operation permission_type 
  resource_type_filter => INT8
  resource_name_filter => NULLABLE_STRING
  principal_filter => NULLABLE_STRING
  host_filter => NULLABLE_STRING
  operation => INT8
  permission_type => INT8
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>resource_type_filter</td><td>The resource type.</td></tr>
<tr>
<td>resource_name_filter</td><td>The resource name, or null to match any resource name.</td></tr>
<tr>
<td>principal_filter</td><td>The principal to match, or null to match any principal.</td></tr>
<tr>
<td>host_filter</td><td>The host to match, or null to match any host.</td></tr>
<tr>
<td>operation</td><td>The operation to match.</td></tr>
<tr>
<td>permission_type</td><td>The permission type to match.</td></tr>
</table>
</p>
<p><pre>DescribeAcls Request (Version: 1) => resource_type_filter resource_name_filter pattern_type_filter principal_filter host_filter operation permission_type 
  resource_type_filter => INT8
  resource_name_filter => NULLABLE_STRING
  pattern_type_filter => INT8
  principal_filter => NULLABLE_STRING
  host_filter => NULLABLE_STRING
  operation => INT8
  permission_type => INT8
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>resource_type_filter</td><td>The resource type.</td></tr>
<tr>
<td>resource_name_filter</td><td>The resource name, or null to match any resource name.</td></tr>
<tr>
<td>pattern_type_filter</td><td>The resource pattern to match.</td></tr>
<tr>
<td>principal_filter</td><td>The principal to match, or null to match any principal.</td></tr>
<tr>
<td>host_filter</td><td>The host to match, or null to match any host.</td></tr>
<tr>
<td>operation</td><td>The operation to match.</td></tr>
<tr>
<td>permission_type</td><td>The permission type to match.</td></tr>
</table>
</p>
<p><pre>DescribeAcls Request (Version: 2) => resource_type_filter resource_name_filter pattern_type_filter principal_filter host_filter operation permission_type TAG_BUFFER 
  resource_type_filter => INT8
  resource_name_filter => COMPACT_NULLABLE_STRING
  pattern_type_filter => INT8
  principal_filter => COMPACT_NULLABLE_STRING
  host_filter => COMPACT_NULLABLE_STRING
  operation => INT8
  permission_type => INT8
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>resource_type_filter</td><td>The resource type.</td></tr>
<tr>
<td>resource_name_filter</td><td>The resource name, or null to match any resource name.</td></tr>
<tr>
<td>pattern_type_filter</td><td>The resource pattern to match.</td></tr>
<tr>
<td>principal_filter</td><td>The principal to match, or null to match any principal.</td></tr>
<tr>
<td>host_filter</td><td>The host to match, or null to match any host.</td></tr>
<tr>
<td>operation</td><td>The operation to match.</td></tr>
<tr>
<td>permission_type</td><td>The permission type to match.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<b>Responses:</b><br>
<p><pre>DescribeAcls Response (Version: 0) => throttle_time_ms error_code error_message [resources] 
  throttle_time_ms => INT32
  error_code => INT16
  error_message => NULLABLE_STRING
  resources => resource_type resource_name [acls] 
    resource_type => INT8
    resource_name => STRING
    acls => principal host operation permission_type 
      principal => STRING
      host => STRING
      operation => INT8
      permission_type => INT8
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>error_code</td><td>The error code, or 0 if there was no error.</td></tr>
<tr>
<td>error_message</td><td>The error message, or null if there was no error.</td></tr>
<tr>
<td>resources</td><td>Each Resource that is referenced in an ACL.</td></tr>
<tr>
<td>resource_type</td><td>The resource type.</td></tr>
<tr>
<td>resource_name</td><td>The resource name.</td></tr>
<tr>
<td>acls</td><td>The ACLs.</td></tr>
<tr>
<td>principal</td><td>The ACL principal.</td></tr>
<tr>
<td>host</td><td>The ACL host.</td></tr>
<tr>
<td>operation</td><td>The ACL operation.</td></tr>
<tr>
<td>permission_type</td><td>The ACL permission type.</td></tr>
</table>
</p>
<p><pre>DescribeAcls Response (Version: 1) => throttle_time_ms error_code error_message [resources] 
  throttle_time_ms => INT32
  error_code => INT16
  error_message => NULLABLE_STRING
  resources => resource_type resource_name pattern_type [acls] 
    resource_type => INT8
    resource_name => STRING
    pattern_type => INT8
    acls => principal host operation permission_type 
      principal => STRING
      host => STRING
      operation => INT8
      permission_type => INT8
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>error_code</td><td>The error code, or 0 if there was no error.</td></tr>
<tr>
<td>error_message</td><td>The error message, or null if there was no error.</td></tr>
<tr>
<td>resources</td><td>Each Resource that is referenced in an ACL.</td></tr>
<tr>
<td>resource_type</td><td>The resource type.</td></tr>
<tr>
<td>resource_name</td><td>The resource name.</td></tr>
<tr>
<td>pattern_type</td><td>The resource pattern type.</td></tr>
<tr>
<td>acls</td><td>The ACLs.</td></tr>
<tr>
<td>principal</td><td>The ACL principal.</td></tr>
<tr>
<td>host</td><td>The ACL host.</td></tr>
<tr>
<td>operation</td><td>The ACL operation.</td></tr>
<tr>
<td>permission_type</td><td>The ACL permission type.</td></tr>
</table>
</p>
<p><pre>DescribeAcls Response (Version: 2) => throttle_time_ms error_code error_message [resources] TAG_BUFFER 
  throttle_time_ms => INT32
  error_code => INT16
  error_message => COMPACT_NULLABLE_STRING
  resources => resource_type resource_name pattern_type [acls] TAG_BUFFER 
    resource_type => INT8
    resource_name => COMPACT_STRING
    pattern_type => INT8
    acls => principal host operation permission_type TAG_BUFFER 
      principal => COMPACT_STRING
      host => COMPACT_STRING
      operation => INT8
      permission_type => INT8
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>error_code</td><td>The error code, or 0 if there was no error.</td></tr>
<tr>
<td>error_message</td><td>The error message, or null if there was no error.</td></tr>
<tr>
<td>resources</td><td>Each Resource that is referenced in an ACL.</td></tr>
<tr>
<td>resource_type</td><td>The resource type.</td></tr>
<tr>
<td>resource_name</td><td>The resource name.</td></tr>
<tr>
<td>pattern_type</td><td>The resource pattern type.</td></tr>
<tr>
<td>acls</td><td>The ACLs.</td></tr>
<tr>
<td>principal</td><td>The ACL principal.</td></tr>
<tr>
<td>host</td><td>The ACL host.</td></tr>
<tr>
<td>operation</td><td>The ACL operation.</td></tr>
<tr>
<td>permission_type</td><td>The ACL permission type.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<h5><a name="The_Messages_CreateAcls">CreateAcls API (Key: 30):</a></h5>

<b>Requests:</b><br>
<p><pre>CreateAcls Request (Version: 0) => [creations] 
  creations => resource_type resource_name principal host operation permission_type 
    resource_type => INT8
    resource_name => STRING
    principal => STRING
    host => STRING
    operation => INT8
    permission_type => INT8
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>creations</td><td>The ACLs that we want to create.</td></tr>
<tr>
<td>resource_type</td><td>The type of the resource.</td></tr>
<tr>
<td>resource_name</td><td>The resource name for the ACL.</td></tr>
<tr>
<td>principal</td><td>The principal for the ACL.</td></tr>
<tr>
<td>host</td><td>The host for the ACL.</td></tr>
<tr>
<td>operation</td><td>The operation type for the ACL (read, write, etc.).</td></tr>
<tr>
<td>permission_type</td><td>The permission type for the ACL (allow, deny, etc.).</td></tr>
</table>
</p>
<p><pre>CreateAcls Request (Version: 1) => [creations] 
  creations => resource_type resource_name resource_pattern_type principal host operation permission_type 
    resource_type => INT8
    resource_name => STRING
    resource_pattern_type => INT8
    principal => STRING
    host => STRING
    operation => INT8
    permission_type => INT8
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>creations</td><td>The ACLs that we want to create.</td></tr>
<tr>
<td>resource_type</td><td>The type of the resource.</td></tr>
<tr>
<td>resource_name</td><td>The resource name for the ACL.</td></tr>
<tr>
<td>resource_pattern_type</td><td>The pattern type for the ACL.</td></tr>
<tr>
<td>principal</td><td>The principal for the ACL.</td></tr>
<tr>
<td>host</td><td>The host for the ACL.</td></tr>
<tr>
<td>operation</td><td>The operation type for the ACL (read, write, etc.).</td></tr>
<tr>
<td>permission_type</td><td>The permission type for the ACL (allow, deny, etc.).</td></tr>
</table>
</p>
<p><pre>CreateAcls Request (Version: 2) => [creations] TAG_BUFFER 
  creations => resource_type resource_name resource_pattern_type principal host operation permission_type TAG_BUFFER 
    resource_type => INT8
    resource_name => COMPACT_STRING
    resource_pattern_type => INT8
    principal => COMPACT_STRING
    host => COMPACT_STRING
    operation => INT8
    permission_type => INT8
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>creations</td><td>The ACLs that we want to create.</td></tr>
<tr>
<td>resource_type</td><td>The type of the resource.</td></tr>
<tr>
<td>resource_name</td><td>The resource name for the ACL.</td></tr>
<tr>
<td>resource_pattern_type</td><td>The pattern type for the ACL.</td></tr>
<tr>
<td>principal</td><td>The principal for the ACL.</td></tr>
<tr>
<td>host</td><td>The host for the ACL.</td></tr>
<tr>
<td>operation</td><td>The operation type for the ACL (read, write, etc.).</td></tr>
<tr>
<td>permission_type</td><td>The permission type for the ACL (allow, deny, etc.).</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<b>Responses:</b><br>
<p><pre>CreateAcls Response (Version: 0) => throttle_time_ms [results] 
  throttle_time_ms => INT32
  results => error_code error_message 
    error_code => INT16
    error_message => NULLABLE_STRING
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>results</td><td>The results for each ACL creation.</td></tr>
<tr>
<td>error_code</td><td>The result error, or zero if there was no error.</td></tr>
<tr>
<td>error_message</td><td>The result message, or null if there was no error.</td></tr>
</table>
</p>
<p><pre>CreateAcls Response (Version: 1) => throttle_time_ms [results] 
  throttle_time_ms => INT32
  results => error_code error_message 
    error_code => INT16
    error_message => NULLABLE_STRING
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>results</td><td>The results for each ACL creation.</td></tr>
<tr>
<td>error_code</td><td>The result error, or zero if there was no error.</td></tr>
<tr>
<td>error_message</td><td>The result message, or null if there was no error.</td></tr>
</table>
</p>
<p><pre>CreateAcls Response (Version: 2) => throttle_time_ms [results] TAG_BUFFER 
  throttle_time_ms => INT32
  results => error_code error_message TAG_BUFFER 
    error_code => INT16
    error_message => COMPACT_NULLABLE_STRING
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>results</td><td>The results for each ACL creation.</td></tr>
<tr>
<td>error_code</td><td>The result error, or zero if there was no error.</td></tr>
<tr>
<td>error_message</td><td>The result message, or null if there was no error.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<h5><a name="The_Messages_DeleteAcls">DeleteAcls API (Key: 31):</a></h5>

<b>Requests:</b><br>
<p><pre>DeleteAcls Request (Version: 0) => [filters] 
  filters => resource_type_filter resource_name_filter principal_filter host_filter operation permission_type 
    resource_type_filter => INT8
    resource_name_filter => NULLABLE_STRING
    principal_filter => NULLABLE_STRING
    host_filter => NULLABLE_STRING
    operation => INT8
    permission_type => INT8
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>filters</td><td>The filters to use when deleting ACLs.</td></tr>
<tr>
<td>resource_type_filter</td><td>The resource type.</td></tr>
<tr>
<td>resource_name_filter</td><td>The resource name.</td></tr>
<tr>
<td>principal_filter</td><td>The principal filter, or null to accept all principals.</td></tr>
<tr>
<td>host_filter</td><td>The host filter, or null to accept all hosts.</td></tr>
<tr>
<td>operation</td><td>The ACL operation.</td></tr>
<tr>
<td>permission_type</td><td>The permission type.</td></tr>
</table>
</p>
<p><pre>DeleteAcls Request (Version: 1) => [filters] 
  filters => resource_type_filter resource_name_filter pattern_type_filter principal_filter host_filter operation permission_type 
    resource_type_filter => INT8
    resource_name_filter => NULLABLE_STRING
    pattern_type_filter => INT8
    principal_filter => NULLABLE_STRING
    host_filter => NULLABLE_STRING
    operation => INT8
    permission_type => INT8
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>filters</td><td>The filters to use when deleting ACLs.</td></tr>
<tr>
<td>resource_type_filter</td><td>The resource type.</td></tr>
<tr>
<td>resource_name_filter</td><td>The resource name.</td></tr>
<tr>
<td>pattern_type_filter</td><td>The pattern type.</td></tr>
<tr>
<td>principal_filter</td><td>The principal filter, or null to accept all principals.</td></tr>
<tr>
<td>host_filter</td><td>The host filter, or null to accept all hosts.</td></tr>
<tr>
<td>operation</td><td>The ACL operation.</td></tr>
<tr>
<td>permission_type</td><td>The permission type.</td></tr>
</table>
</p>
<p><pre>DeleteAcls Request (Version: 2) => [filters] TAG_BUFFER 
  filters => resource_type_filter resource_name_filter pattern_type_filter principal_filter host_filter operation permission_type TAG_BUFFER 
    resource_type_filter => INT8
    resource_name_filter => COMPACT_NULLABLE_STRING
    pattern_type_filter => INT8
    principal_filter => COMPACT_NULLABLE_STRING
    host_filter => COMPACT_NULLABLE_STRING
    operation => INT8
    permission_type => INT8
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>filters</td><td>The filters to use when deleting ACLs.</td></tr>
<tr>
<td>resource_type_filter</td><td>The resource type.</td></tr>
<tr>
<td>resource_name_filter</td><td>The resource name.</td></tr>
<tr>
<td>pattern_type_filter</td><td>The pattern type.</td></tr>
<tr>
<td>principal_filter</td><td>The principal filter, or null to accept all principals.</td></tr>
<tr>
<td>host_filter</td><td>The host filter, or null to accept all hosts.</td></tr>
<tr>
<td>operation</td><td>The ACL operation.</td></tr>
<tr>
<td>permission_type</td><td>The permission type.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<b>Responses:</b><br>
<p><pre>DeleteAcls Response (Version: 0) => throttle_time_ms [filter_results] 
  throttle_time_ms => INT32
  filter_results => error_code error_message [matching_acls] 
    error_code => INT16
    error_message => NULLABLE_STRING
    matching_acls => error_code error_message resource_type resource_name principal host operation permission_type 
      error_code => INT16
      error_message => NULLABLE_STRING
      resource_type => INT8
      resource_name => STRING
      principal => STRING
      host => STRING
      operation => INT8
      permission_type => INT8
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>filter_results</td><td>The results for each filter.</td></tr>
<tr>
<td>error_code</td><td>The error code, or 0 if the filter succeeded.</td></tr>
<tr>
<td>error_message</td><td>The error message, or null if the filter succeeded.</td></tr>
<tr>
<td>matching_acls</td><td>The ACLs which matched this filter.</td></tr>
<tr>
<td>error_code</td><td>The deletion error code, or 0 if the deletion succeeded.</td></tr>
<tr>
<td>error_message</td><td>The deletion error message, or null if the deletion succeeded.</td></tr>
<tr>
<td>resource_type</td><td>The ACL resource type.</td></tr>
<tr>
<td>resource_name</td><td>The ACL resource name.</td></tr>
<tr>
<td>principal</td><td>The ACL principal.</td></tr>
<tr>
<td>host</td><td>The ACL host.</td></tr>
<tr>
<td>operation</td><td>The ACL operation.</td></tr>
<tr>
<td>permission_type</td><td>The ACL permission type.</td></tr>
</table>
</p>
<p><pre>DeleteAcls Response (Version: 1) => throttle_time_ms [filter_results] 
  throttle_time_ms => INT32
  filter_results => error_code error_message [matching_acls] 
    error_code => INT16
    error_message => NULLABLE_STRING
    matching_acls => error_code error_message resource_type resource_name pattern_type principal host operation permission_type 
      error_code => INT16
      error_message => NULLABLE_STRING
      resource_type => INT8
      resource_name => STRING
      pattern_type => INT8
      principal => STRING
      host => STRING
      operation => INT8
      permission_type => INT8
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>filter_results</td><td>The results for each filter.</td></tr>
<tr>
<td>error_code</td><td>The error code, or 0 if the filter succeeded.</td></tr>
<tr>
<td>error_message</td><td>The error message, or null if the filter succeeded.</td></tr>
<tr>
<td>matching_acls</td><td>The ACLs which matched this filter.</td></tr>
<tr>
<td>error_code</td><td>The deletion error code, or 0 if the deletion succeeded.</td></tr>
<tr>
<td>error_message</td><td>The deletion error message, or null if the deletion succeeded.</td></tr>
<tr>
<td>resource_type</td><td>The ACL resource type.</td></tr>
<tr>
<td>resource_name</td><td>The ACL resource name.</td></tr>
<tr>
<td>pattern_type</td><td>The ACL resource pattern type.</td></tr>
<tr>
<td>principal</td><td>The ACL principal.</td></tr>
<tr>
<td>host</td><td>The ACL host.</td></tr>
<tr>
<td>operation</td><td>The ACL operation.</td></tr>
<tr>
<td>permission_type</td><td>The ACL permission type.</td></tr>
</table>
</p>
<p><pre>DeleteAcls Response (Version: 2) => throttle_time_ms [filter_results] TAG_BUFFER 
  throttle_time_ms => INT32
  filter_results => error_code error_message [matching_acls] TAG_BUFFER 
    error_code => INT16
    error_message => COMPACT_NULLABLE_STRING
    matching_acls => error_code error_message resource_type resource_name pattern_type principal host operation permission_type TAG_BUFFER 
      error_code => INT16
      error_message => COMPACT_NULLABLE_STRING
      resource_type => INT8
      resource_name => COMPACT_STRING
      pattern_type => INT8
      principal => COMPACT_STRING
      host => COMPACT_STRING
      operation => INT8
      permission_type => INT8
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>filter_results</td><td>The results for each filter.</td></tr>
<tr>
<td>error_code</td><td>The error code, or 0 if the filter succeeded.</td></tr>
<tr>
<td>error_message</td><td>The error message, or null if the filter succeeded.</td></tr>
<tr>
<td>matching_acls</td><td>The ACLs which matched this filter.</td></tr>
<tr>
<td>error_code</td><td>The deletion error code, or 0 if the deletion succeeded.</td></tr>
<tr>
<td>error_message</td><td>The deletion error message, or null if the deletion succeeded.</td></tr>
<tr>
<td>resource_type</td><td>The ACL resource type.</td></tr>
<tr>
<td>resource_name</td><td>The ACL resource name.</td></tr>
<tr>
<td>pattern_type</td><td>The ACL resource pattern type.</td></tr>
<tr>
<td>principal</td><td>The ACL principal.</td></tr>
<tr>
<td>host</td><td>The ACL host.</td></tr>
<tr>
<td>operation</td><td>The ACL operation.</td></tr>
<tr>
<td>permission_type</td><td>The ACL permission type.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<h5><a name="The_Messages_DescribeConfigs">DescribeConfigs API (Key: 32):</a></h5>

<b>Requests:</b><br>
<p><pre>DescribeConfigs Request (Version: 0) => [resources] 
  resources => resource_type resource_name [configuration_keys] 
    resource_type => INT8
    resource_name => STRING
    configuration_keys => STRING
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>resources</td><td>The resources whose configurations we want to describe.</td></tr>
<tr>
<td>resource_type</td><td>The resource type.</td></tr>
<tr>
<td>resource_name</td><td>The resource name.</td></tr>
<tr>
<td>configuration_keys</td><td>The configuration keys to list, or null to list all configuration keys.</td></tr>
</table>
</p>
<p><pre>DescribeConfigs Request (Version: 1) => [resources] include_synonyms 
  resources => resource_type resource_name [configuration_keys] 
    resource_type => INT8
    resource_name => STRING
    configuration_keys => STRING
  include_synonyms => BOOLEAN
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>resources</td><td>The resources whose configurations we want to describe.</td></tr>
<tr>
<td>resource_type</td><td>The resource type.</td></tr>
<tr>
<td>resource_name</td><td>The resource name.</td></tr>
<tr>
<td>configuration_keys</td><td>The configuration keys to list, or null to list all configuration keys.</td></tr>
<tr>
<td>include_synonyms</td><td>True if we should include all synonyms.</td></tr>
</table>
</p>
<p><pre>DescribeConfigs Request (Version: 2) => [resources] include_synonyms 
  resources => resource_type resource_name [configuration_keys] 
    resource_type => INT8
    resource_name => STRING
    configuration_keys => STRING
  include_synonyms => BOOLEAN
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>resources</td><td>The resources whose configurations we want to describe.</td></tr>
<tr>
<td>resource_type</td><td>The resource type.</td></tr>
<tr>
<td>resource_name</td><td>The resource name.</td></tr>
<tr>
<td>configuration_keys</td><td>The configuration keys to list, or null to list all configuration keys.</td></tr>
<tr>
<td>include_synonyms</td><td>True if we should include all synonyms.</td></tr>
</table>
</p>
<p><pre>DescribeConfigs Request (Version: 3) => [resources] include_synonyms include_documentation 
  resources => resource_type resource_name [configuration_keys] 
    resource_type => INT8
    resource_name => STRING
    configuration_keys => STRING
  include_synonyms => BOOLEAN
  include_documentation => BOOLEAN
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>resources</td><td>The resources whose configurations we want to describe.</td></tr>
<tr>
<td>resource_type</td><td>The resource type.</td></tr>
<tr>
<td>resource_name</td><td>The resource name.</td></tr>
<tr>
<td>configuration_keys</td><td>The configuration keys to list, or null to list all configuration keys.</td></tr>
<tr>
<td>include_synonyms</td><td>True if we should include all synonyms.</td></tr>
<tr>
<td>include_documentation</td><td>True if we should include configuration documentation.</td></tr>
</table>
</p>
<p><pre>DescribeConfigs Request (Version: 4) => [resources] include_synonyms include_documentation TAG_BUFFER 
  resources => resource_type resource_name [configuration_keys] TAG_BUFFER 
    resource_type => INT8
    resource_name => COMPACT_STRING
    configuration_keys => COMPACT_STRING
  include_synonyms => BOOLEAN
  include_documentation => BOOLEAN
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>resources</td><td>The resources whose configurations we want to describe.</td></tr>
<tr>
<td>resource_type</td><td>The resource type.</td></tr>
<tr>
<td>resource_name</td><td>The resource name.</td></tr>
<tr>
<td>configuration_keys</td><td>The configuration keys to list, or null to list all configuration keys.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>include_synonyms</td><td>True if we should include all synonyms.</td></tr>
<tr>
<td>include_documentation</td><td>True if we should include configuration documentation.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<b>Responses:</b><br>
<p><pre>DescribeConfigs Response (Version: 0) => throttle_time_ms [results] 
  throttle_time_ms => INT32
  results => error_code error_message resource_type resource_name [configs] 
    error_code => INT16
    error_message => NULLABLE_STRING
    resource_type => INT8
    resource_name => STRING
    configs => name value read_only is_default is_sensitive 
      name => STRING
      value => NULLABLE_STRING
      read_only => BOOLEAN
      is_default => BOOLEAN
      is_sensitive => BOOLEAN
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>results</td><td>The results for each resource.</td></tr>
<tr>
<td>error_code</td><td>The error code, or 0 if we were able to successfully describe the configurations.</td></tr>
<tr>
<td>error_message</td><td>The error message, or null if we were able to successfully describe the configurations.</td></tr>
<tr>
<td>resource_type</td><td>The resource type.</td></tr>
<tr>
<td>resource_name</td><td>The resource name.</td></tr>
<tr>
<td>configs</td><td>Each listed configuration.</td></tr>
<tr>
<td>name</td><td>The configuration name.</td></tr>
<tr>
<td>value</td><td>The configuration value.</td></tr>
<tr>
<td>read_only</td><td>True if the configuration is read-only.</td></tr>
<tr>
<td>is_default</td><td>True if the configuration is not set.</td></tr>
<tr>
<td>is_sensitive</td><td>True if this configuration is sensitive.</td></tr>
</table>
</p>
<p><pre>DescribeConfigs Response (Version: 1) => throttle_time_ms [results] 
  throttle_time_ms => INT32
  results => error_code error_message resource_type resource_name [configs] 
    error_code => INT16
    error_message => NULLABLE_STRING
    resource_type => INT8
    resource_name => STRING
    configs => name value read_only config_source is_sensitive [synonyms] 
      name => STRING
      value => NULLABLE_STRING
      read_only => BOOLEAN
      config_source => INT8
      is_sensitive => BOOLEAN
      synonyms => name value source 
        name => STRING
        value => NULLABLE_STRING
        source => INT8
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>results</td><td>The results for each resource.</td></tr>
<tr>
<td>error_code</td><td>The error code, or 0 if we were able to successfully describe the configurations.</td></tr>
<tr>
<td>error_message</td><td>The error message, or null if we were able to successfully describe the configurations.</td></tr>
<tr>
<td>resource_type</td><td>The resource type.</td></tr>
<tr>
<td>resource_name</td><td>The resource name.</td></tr>
<tr>
<td>configs</td><td>Each listed configuration.</td></tr>
<tr>
<td>name</td><td>The configuration name.</td></tr>
<tr>
<td>value</td><td>The configuration value.</td></tr>
<tr>
<td>read_only</td><td>True if the configuration is read-only.</td></tr>
<tr>
<td>config_source</td><td>The configuration source.</td></tr>
<tr>
<td>is_sensitive</td><td>True if this configuration is sensitive.</td></tr>
<tr>
<td>synonyms</td><td>The synonyms for this configuration key.</td></tr>
<tr>
<td>name</td><td>The synonym name.</td></tr>
<tr>
<td>value</td><td>The synonym value.</td></tr>
<tr>
<td>source</td><td>The synonym source.</td></tr>
</table>
</p>
<p><pre>DescribeConfigs Response (Version: 2) => throttle_time_ms [results] 
  throttle_time_ms => INT32
  results => error_code error_message resource_type resource_name [configs] 
    error_code => INT16
    error_message => NULLABLE_STRING
    resource_type => INT8
    resource_name => STRING
    configs => name value read_only config_source is_sensitive [synonyms] 
      name => STRING
      value => NULLABLE_STRING
      read_only => BOOLEAN
      config_source => INT8
      is_sensitive => BOOLEAN
      synonyms => name value source 
        name => STRING
        value => NULLABLE_STRING
        source => INT8
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>results</td><td>The results for each resource.</td></tr>
<tr>
<td>error_code</td><td>The error code, or 0 if we were able to successfully describe the configurations.</td></tr>
<tr>
<td>error_message</td><td>The error message, or null if we were able to successfully describe the configurations.</td></tr>
<tr>
<td>resource_type</td><td>The resource type.</td></tr>
<tr>
<td>resource_name</td><td>The resource name.</td></tr>
<tr>
<td>configs</td><td>Each listed configuration.</td></tr>
<tr>
<td>name</td><td>The configuration name.</td></tr>
<tr>
<td>value</td><td>The configuration value.</td></tr>
<tr>
<td>read_only</td><td>True if the configuration is read-only.</td></tr>
<tr>
<td>config_source</td><td>The configuration source.</td></tr>
<tr>
<td>is_sensitive</td><td>True if this configuration is sensitive.</td></tr>
<tr>
<td>synonyms</td><td>The synonyms for this configuration key.</td></tr>
<tr>
<td>name</td><td>The synonym name.</td></tr>
<tr>
<td>value</td><td>The synonym value.</td></tr>
<tr>
<td>source</td><td>The synonym source.</td></tr>
</table>
</p>
<p><pre>DescribeConfigs Response (Version: 3) => throttle_time_ms [results] 
  throttle_time_ms => INT32
  results => error_code error_message resource_type resource_name [configs] 
    error_code => INT16
    error_message => NULLABLE_STRING
    resource_type => INT8
    resource_name => STRING
    configs => name value read_only config_source is_sensitive [synonyms] config_type documentation 
      name => STRING
      value => NULLABLE_STRING
      read_only => BOOLEAN
      config_source => INT8
      is_sensitive => BOOLEAN
      synonyms => name value source 
        name => STRING
        value => NULLABLE_STRING
        source => INT8
      config_type => INT8
      documentation => NULLABLE_STRING
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>results</td><td>The results for each resource.</td></tr>
<tr>
<td>error_code</td><td>The error code, or 0 if we were able to successfully describe the configurations.</td></tr>
<tr>
<td>error_message</td><td>The error message, or null if we were able to successfully describe the configurations.</td></tr>
<tr>
<td>resource_type</td><td>The resource type.</td></tr>
<tr>
<td>resource_name</td><td>The resource name.</td></tr>
<tr>
<td>configs</td><td>Each listed configuration.</td></tr>
<tr>
<td>name</td><td>The configuration name.</td></tr>
<tr>
<td>value</td><td>The configuration value.</td></tr>
<tr>
<td>read_only</td><td>True if the configuration is read-only.</td></tr>
<tr>
<td>config_source</td><td>The configuration source.</td></tr>
<tr>
<td>is_sensitive</td><td>True if this configuration is sensitive.</td></tr>
<tr>
<td>synonyms</td><td>The synonyms for this configuration key.</td></tr>
<tr>
<td>name</td><td>The synonym name.</td></tr>
<tr>
<td>value</td><td>The synonym value.</td></tr>
<tr>
<td>source</td><td>The synonym source.</td></tr>
<tr>
<td>config_type</td><td>The configuration data type. Type can be one of the following values - BOOLEAN, STRING, INT, SHORT, LONG, DOUBLE, LIST, CLASS, PASSWORD</td></tr>
<tr>
<td>documentation</td><td>The configuration documentation.</td></tr>
</table>
</p>
<p><pre>DescribeConfigs Response (Version: 4) => throttle_time_ms [results] TAG_BUFFER 
  throttle_time_ms => INT32
  results => error_code error_message resource_type resource_name [configs] TAG_BUFFER 
    error_code => INT16
    error_message => COMPACT_NULLABLE_STRING
    resource_type => INT8
    resource_name => COMPACT_STRING
    configs => name value read_only config_source is_sensitive [synonyms] config_type documentation TAG_BUFFER 
      name => COMPACT_STRING
      value => COMPACT_NULLABLE_STRING
      read_only => BOOLEAN
      config_source => INT8
      is_sensitive => BOOLEAN
      synonyms => name value source TAG_BUFFER 
        name => COMPACT_STRING
        value => COMPACT_NULLABLE_STRING
        source => INT8
      config_type => INT8
      documentation => COMPACT_NULLABLE_STRING
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>results</td><td>The results for each resource.</td></tr>
<tr>
<td>error_code</td><td>The error code, or 0 if we were able to successfully describe the configurations.</td></tr>
<tr>
<td>error_message</td><td>The error message, or null if we were able to successfully describe the configurations.</td></tr>
<tr>
<td>resource_type</td><td>The resource type.</td></tr>
<tr>
<td>resource_name</td><td>The resource name.</td></tr>
<tr>
<td>configs</td><td>Each listed configuration.</td></tr>
<tr>
<td>name</td><td>The configuration name.</td></tr>
<tr>
<td>value</td><td>The configuration value.</td></tr>
<tr>
<td>read_only</td><td>True if the configuration is read-only.</td></tr>
<tr>
<td>config_source</td><td>The configuration source.</td></tr>
<tr>
<td>is_sensitive</td><td>True if this configuration is sensitive.</td></tr>
<tr>
<td>synonyms</td><td>The synonyms for this configuration key.</td></tr>
<tr>
<td>name</td><td>The synonym name.</td></tr>
<tr>
<td>value</td><td>The synonym value.</td></tr>
<tr>
<td>source</td><td>The synonym source.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>config_type</td><td>The configuration data type. Type can be one of the following values - BOOLEAN, STRING, INT, SHORT, LONG, DOUBLE, LIST, CLASS, PASSWORD</td></tr>
<tr>
<td>documentation</td><td>The configuration documentation.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<h5><a name="The_Messages_AlterConfigs">AlterConfigs API (Key: 33):</a></h5>

<b>Requests:</b><br>
<p><pre>AlterConfigs Request (Version: 0) => [resources] validate_only 
  resources => resource_type resource_name [configs] 
    resource_type => INT8
    resource_name => STRING
    configs => name value 
      name => STRING
      value => NULLABLE_STRING
  validate_only => BOOLEAN
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>resources</td><td>The updates for each resource.</td></tr>
<tr>
<td>resource_type</td><td>The resource type.</td></tr>
<tr>
<td>resource_name</td><td>The resource name.</td></tr>
<tr>
<td>configs</td><td>The configurations.</td></tr>
<tr>
<td>name</td><td>The configuration key name.</td></tr>
<tr>
<td>value</td><td>The value to set for the configuration key.</td></tr>
<tr>
<td>validate_only</td><td>True if we should validate the request, but not change the configurations.</td></tr>
</table>
</p>
<p><pre>AlterConfigs Request (Version: 1) => [resources] validate_only 
  resources => resource_type resource_name [configs] 
    resource_type => INT8
    resource_name => STRING
    configs => name value 
      name => STRING
      value => NULLABLE_STRING
  validate_only => BOOLEAN
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>resources</td><td>The updates for each resource.</td></tr>
<tr>
<td>resource_type</td><td>The resource type.</td></tr>
<tr>
<td>resource_name</td><td>The resource name.</td></tr>
<tr>
<td>configs</td><td>The configurations.</td></tr>
<tr>
<td>name</td><td>The configuration key name.</td></tr>
<tr>
<td>value</td><td>The value to set for the configuration key.</td></tr>
<tr>
<td>validate_only</td><td>True if we should validate the request, but not change the configurations.</td></tr>
</table>
</p>
<p><pre>AlterConfigs Request (Version: 2) => [resources] validate_only TAG_BUFFER 
  resources => resource_type resource_name [configs] TAG_BUFFER 
    resource_type => INT8
    resource_name => COMPACT_STRING
    configs => name value TAG_BUFFER 
      name => COMPACT_STRING
      value => COMPACT_NULLABLE_STRING
  validate_only => BOOLEAN
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>resources</td><td>The updates for each resource.</td></tr>
<tr>
<td>resource_type</td><td>The resource type.</td></tr>
<tr>
<td>resource_name</td><td>The resource name.</td></tr>
<tr>
<td>configs</td><td>The configurations.</td></tr>
<tr>
<td>name</td><td>The configuration key name.</td></tr>
<tr>
<td>value</td><td>The value to set for the configuration key.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>validate_only</td><td>True if we should validate the request, but not change the configurations.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<b>Responses:</b><br>
<p><pre>AlterConfigs Response (Version: 0) => throttle_time_ms [responses] 
  throttle_time_ms => INT32
  responses => error_code error_message resource_type resource_name 
    error_code => INT16
    error_message => NULLABLE_STRING
    resource_type => INT8
    resource_name => STRING
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>Duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>responses</td><td>The responses for each resource.</td></tr>
<tr>
<td>error_code</td><td>The resource error code.</td></tr>
<tr>
<td>error_message</td><td>The resource error message, or null if there was no error.</td></tr>
<tr>
<td>resource_type</td><td>The resource type.</td></tr>
<tr>
<td>resource_name</td><td>The resource name.</td></tr>
</table>
</p>
<p><pre>AlterConfigs Response (Version: 1) => throttle_time_ms [responses] 
  throttle_time_ms => INT32
  responses => error_code error_message resource_type resource_name 
    error_code => INT16
    error_message => NULLABLE_STRING
    resource_type => INT8
    resource_name => STRING
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>Duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>responses</td><td>The responses for each resource.</td></tr>
<tr>
<td>error_code</td><td>The resource error code.</td></tr>
<tr>
<td>error_message</td><td>The resource error message, or null if there was no error.</td></tr>
<tr>
<td>resource_type</td><td>The resource type.</td></tr>
<tr>
<td>resource_name</td><td>The resource name.</td></tr>
</table>
</p>
<p><pre>AlterConfigs Response (Version: 2) => throttle_time_ms [responses] TAG_BUFFER 
  throttle_time_ms => INT32
  responses => error_code error_message resource_type resource_name TAG_BUFFER 
    error_code => INT16
    error_message => COMPACT_NULLABLE_STRING
    resource_type => INT8
    resource_name => COMPACT_STRING
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>Duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>responses</td><td>The responses for each resource.</td></tr>
<tr>
<td>error_code</td><td>The resource error code.</td></tr>
<tr>
<td>error_message</td><td>The resource error message, or null if there was no error.</td></tr>
<tr>
<td>resource_type</td><td>The resource type.</td></tr>
<tr>
<td>resource_name</td><td>The resource name.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<h5><a name="The_Messages_AlterReplicaLogDirs">AlterReplicaLogDirs API (Key: 34):</a></h5>

<b>Requests:</b><br>
<p><pre>AlterReplicaLogDirs Request (Version: 0) => [dirs] 
  dirs => path [topics] 
    path => STRING
    topics => name [partitions] 
      name => STRING
      partitions => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>dirs</td><td>The alterations to make for each directory.</td></tr>
<tr>
<td>path</td><td>The absolute directory path.</td></tr>
<tr>
<td>topics</td><td>The topics to add to the directory.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>partitions</td><td>The partition indexes.</td></tr>
</table>
</p>
<p><pre>AlterReplicaLogDirs Request (Version: 1) => [dirs] 
  dirs => path [topics] 
    path => STRING
    topics => name [partitions] 
      name => STRING
      partitions => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>dirs</td><td>The alterations to make for each directory.</td></tr>
<tr>
<td>path</td><td>The absolute directory path.</td></tr>
<tr>
<td>topics</td><td>The topics to add to the directory.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>partitions</td><td>The partition indexes.</td></tr>
</table>
</p>
<p><pre>AlterReplicaLogDirs Request (Version: 2) => [dirs] TAG_BUFFER 
  dirs => path [topics] TAG_BUFFER 
    path => COMPACT_STRING
    topics => name [partitions] TAG_BUFFER 
      name => COMPACT_STRING
      partitions => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>dirs</td><td>The alterations to make for each directory.</td></tr>
<tr>
<td>path</td><td>The absolute directory path.</td></tr>
<tr>
<td>topics</td><td>The topics to add to the directory.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>partitions</td><td>The partition indexes.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<b>Responses:</b><br>
<p><pre>AlterReplicaLogDirs Response (Version: 0) => throttle_time_ms [results] 
  throttle_time_ms => INT32
  results => topic_name [partitions] 
    topic_name => STRING
    partitions => partition_index error_code 
      partition_index => INT32
      error_code => INT16
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>Duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>results</td><td>The results for each topic.</td></tr>
<tr>
<td>topic_name</td><td>The name of the topic.</td></tr>
<tr>
<td>partitions</td><td>The results for each partition.</td></tr>
<tr>
<td>partition_index</td><td>The partition index.</td></tr>
<tr>
<td>error_code</td><td>The error code, or 0 if there was no error.</td></tr>
</table>
</p>
<p><pre>AlterReplicaLogDirs Response (Version: 1) => throttle_time_ms [results] 
  throttle_time_ms => INT32
  results => topic_name [partitions] 
    topic_name => STRING
    partitions => partition_index error_code 
      partition_index => INT32
      error_code => INT16
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>Duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>results</td><td>The results for each topic.</td></tr>
<tr>
<td>topic_name</td><td>The name of the topic.</td></tr>
<tr>
<td>partitions</td><td>The results for each partition.</td></tr>
<tr>
<td>partition_index</td><td>The partition index.</td></tr>
<tr>
<td>error_code</td><td>The error code, or 0 if there was no error.</td></tr>
</table>
</p>
<p><pre>AlterReplicaLogDirs Response (Version: 2) => throttle_time_ms [results] TAG_BUFFER 
  throttle_time_ms => INT32
  results => topic_name [partitions] TAG_BUFFER 
    topic_name => COMPACT_STRING
    partitions => partition_index error_code TAG_BUFFER 
      partition_index => INT32
      error_code => INT16
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>Duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>results</td><td>The results for each topic.</td></tr>
<tr>
<td>topic_name</td><td>The name of the topic.</td></tr>
<tr>
<td>partitions</td><td>The results for each partition.</td></tr>
<tr>
<td>partition_index</td><td>The partition index.</td></tr>
<tr>
<td>error_code</td><td>The error code, or 0 if there was no error.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<h5><a name="The_Messages_DescribeLogDirs">DescribeLogDirs API (Key: 35):</a></h5>

<b>Requests:</b><br>
<p><pre>DescribeLogDirs Request (Version: 0) => [topics] 
  topics => topic [partition_index] 
    topic => STRING
    partition_index => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>topics</td><td>Each topic that we want to describe log directories for, or null for all topics.</td></tr>
<tr>
<td>topic</td><td>The topic name</td></tr>
<tr>
<td>partition_index</td><td>The partition indxes.</td></tr>
</table>
</p>
<p><pre>DescribeLogDirs Request (Version: 1) => [topics] 
  topics => topic [partition_index] 
    topic => STRING
    partition_index => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>topics</td><td>Each topic that we want to describe log directories for, or null for all topics.</td></tr>
<tr>
<td>topic</td><td>The topic name</td></tr>
<tr>
<td>partition_index</td><td>The partition indxes.</td></tr>
</table>
</p>
<p><pre>DescribeLogDirs Request (Version: 2) => [topics] TAG_BUFFER 
  topics => topic [partition_index] TAG_BUFFER 
    topic => COMPACT_STRING
    partition_index => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>topics</td><td>Each topic that we want to describe log directories for, or null for all topics.</td></tr>
<tr>
<td>topic</td><td>The topic name</td></tr>
<tr>
<td>partition_index</td><td>The partition indxes.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<b>Responses:</b><br>
<p><pre>DescribeLogDirs Response (Version: 0) => throttle_time_ms [results] 
  throttle_time_ms => INT32
  results => error_code log_dir [topics] 
    error_code => INT16
    log_dir => STRING
    topics => name [partitions] 
      name => STRING
      partitions => partition_index partition_size offset_lag is_future_key 
        partition_index => INT32
        partition_size => INT64
        offset_lag => INT64
        is_future_key => BOOLEAN
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>results</td><td>The log directories.</td></tr>
<tr>
<td>error_code</td><td>The error code, or 0 if there was no error.</td></tr>
<tr>
<td>log_dir</td><td>The absolute log directory path.</td></tr>
<tr>
<td>topics</td><td>Each topic.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>partitions</td><td></td></tr>
<tr>
<td>partition_index</td><td>The partition index.</td></tr>
<tr>
<td>partition_size</td><td>The size of the log segments in this partition in bytes.</td></tr>
<tr>
<td>offset_lag</td><td>The lag of the log's LEO w.r.t. partition's HW (if it is the current log for the partition) or current replica's LEO (if it is the future log for the partition)</td></tr>
<tr>
<td>is_future_key</td><td>True if this log is created by AlterReplicaLogDirsRequest and will replace the current log of the replica in the future.</td></tr>
</table>
</p>
<p><pre>DescribeLogDirs Response (Version: 1) => throttle_time_ms [results] 
  throttle_time_ms => INT32
  results => error_code log_dir [topics] 
    error_code => INT16
    log_dir => STRING
    topics => name [partitions] 
      name => STRING
      partitions => partition_index partition_size offset_lag is_future_key 
        partition_index => INT32
        partition_size => INT64
        offset_lag => INT64
        is_future_key => BOOLEAN
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>results</td><td>The log directories.</td></tr>
<tr>
<td>error_code</td><td>The error code, or 0 if there was no error.</td></tr>
<tr>
<td>log_dir</td><td>The absolute log directory path.</td></tr>
<tr>
<td>topics</td><td>Each topic.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>partitions</td><td></td></tr>
<tr>
<td>partition_index</td><td>The partition index.</td></tr>
<tr>
<td>partition_size</td><td>The size of the log segments in this partition in bytes.</td></tr>
<tr>
<td>offset_lag</td><td>The lag of the log's LEO w.r.t. partition's HW (if it is the current log for the partition) or current replica's LEO (if it is the future log for the partition)</td></tr>
<tr>
<td>is_future_key</td><td>True if this log is created by AlterReplicaLogDirsRequest and will replace the current log of the replica in the future.</td></tr>
</table>
</p>
<p><pre>DescribeLogDirs Response (Version: 2) => throttle_time_ms [results] TAG_BUFFER 
  throttle_time_ms => INT32
  results => error_code log_dir [topics] TAG_BUFFER 
    error_code => INT16
    log_dir => COMPACT_STRING
    topics => name [partitions] TAG_BUFFER 
      name => COMPACT_STRING
      partitions => partition_index partition_size offset_lag is_future_key TAG_BUFFER 
        partition_index => INT32
        partition_size => INT64
        offset_lag => INT64
        is_future_key => BOOLEAN
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>results</td><td>The log directories.</td></tr>
<tr>
<td>error_code</td><td>The error code, or 0 if there was no error.</td></tr>
<tr>
<td>log_dir</td><td>The absolute log directory path.</td></tr>
<tr>
<td>topics</td><td>Each topic.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>partitions</td><td></td></tr>
<tr>
<td>partition_index</td><td>The partition index.</td></tr>
<tr>
<td>partition_size</td><td>The size of the log segments in this partition in bytes.</td></tr>
<tr>
<td>offset_lag</td><td>The lag of the log's LEO w.r.t. partition's HW (if it is the current log for the partition) or current replica's LEO (if it is the future log for the partition)</td></tr>
<tr>
<td>is_future_key</td><td>True if this log is created by AlterReplicaLogDirsRequest and will replace the current log of the replica in the future.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<h5><a name="The_Messages_SaslAuthenticate">SaslAuthenticate API (Key: 36):</a></h5>

<b>Requests:</b><br>
<p><pre>SaslAuthenticate Request (Version: 0) => auth_bytes 
  auth_bytes => BYTES
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>auth_bytes</td><td>The SASL authentication bytes from the client, as defined by the SASL mechanism.</td></tr>
</table>
</p>
<p><pre>SaslAuthenticate Request (Version: 1) => auth_bytes 
  auth_bytes => BYTES
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>auth_bytes</td><td>The SASL authentication bytes from the client, as defined by the SASL mechanism.</td></tr>
</table>
</p>
<p><pre>SaslAuthenticate Request (Version: 2) => auth_bytes TAG_BUFFER 
  auth_bytes => COMPACT_BYTES
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>auth_bytes</td><td>The SASL authentication bytes from the client, as defined by the SASL mechanism.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<b>Responses:</b><br>
<p><pre>SaslAuthenticate Response (Version: 0) => error_code error_message auth_bytes 
  error_code => INT16
  error_message => NULLABLE_STRING
  auth_bytes => BYTES
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>error_code</td><td>The error code, or 0 if there was no error.</td></tr>
<tr>
<td>error_message</td><td>The error message, or null if there was no error.</td></tr>
<tr>
<td>auth_bytes</td><td>The SASL authentication bytes from the server, as defined by the SASL mechanism.</td></tr>
</table>
</p>
<p><pre>SaslAuthenticate Response (Version: 1) => error_code error_message auth_bytes session_lifetime_ms 
  error_code => INT16
  error_message => NULLABLE_STRING
  auth_bytes => BYTES
  session_lifetime_ms => INT64
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>error_code</td><td>The error code, or 0 if there was no error.</td></tr>
<tr>
<td>error_message</td><td>The error message, or null if there was no error.</td></tr>
<tr>
<td>auth_bytes</td><td>The SASL authentication bytes from the server, as defined by the SASL mechanism.</td></tr>
<tr>
<td>session_lifetime_ms</td><td>The SASL authentication bytes from the server, as defined by the SASL mechanism.</td></tr>
</table>
</p>
<p><pre>SaslAuthenticate Response (Version: 2) => error_code error_message auth_bytes session_lifetime_ms TAG_BUFFER 
  error_code => INT16
  error_message => COMPACT_NULLABLE_STRING
  auth_bytes => COMPACT_BYTES
  session_lifetime_ms => INT64
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>error_code</td><td>The error code, or 0 if there was no error.</td></tr>
<tr>
<td>error_message</td><td>The error message, or null if there was no error.</td></tr>
<tr>
<td>auth_bytes</td><td>The SASL authentication bytes from the server, as defined by the SASL mechanism.</td></tr>
<tr>
<td>session_lifetime_ms</td><td>The SASL authentication bytes from the server, as defined by the SASL mechanism.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<h5><a name="The_Messages_CreatePartitions">CreatePartitions API (Key: 37):</a></h5>

<b>Requests:</b><br>
<p><pre>CreatePartitions Request (Version: 0) => [topics] timeout_ms validate_only 
  topics => name count [assignments] 
    name => STRING
    count => INT32
    assignments => [broker_ids] 
      broker_ids => INT32
  timeout_ms => INT32
  validate_only => BOOLEAN
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>topics</td><td>Each topic that we want to create new partitions inside.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>count</td><td>The new partition count.</td></tr>
<tr>
<td>assignments</td><td>The new partition assignments.</td></tr>
<tr>
<td>broker_ids</td><td>The assigned broker IDs.</td></tr>
<tr>
<td>timeout_ms</td><td>The time in ms to wait for the partitions to be created.</td></tr>
<tr>
<td>validate_only</td><td>If true, then validate the request, but don't actually increase the number of partitions.</td></tr>
</table>
</p>
<p><pre>CreatePartitions Request (Version: 1) => [topics] timeout_ms validate_only 
  topics => name count [assignments] 
    name => STRING
    count => INT32
    assignments => [broker_ids] 
      broker_ids => INT32
  timeout_ms => INT32
  validate_only => BOOLEAN
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>topics</td><td>Each topic that we want to create new partitions inside.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>count</td><td>The new partition count.</td></tr>
<tr>
<td>assignments</td><td>The new partition assignments.</td></tr>
<tr>
<td>broker_ids</td><td>The assigned broker IDs.</td></tr>
<tr>
<td>timeout_ms</td><td>The time in ms to wait for the partitions to be created.</td></tr>
<tr>
<td>validate_only</td><td>If true, then validate the request, but don't actually increase the number of partitions.</td></tr>
</table>
</p>
<p><pre>CreatePartitions Request (Version: 2) => [topics] timeout_ms validate_only TAG_BUFFER 
  topics => name count [assignments] TAG_BUFFER 
    name => COMPACT_STRING
    count => INT32
    assignments => [broker_ids] TAG_BUFFER 
      broker_ids => INT32
  timeout_ms => INT32
  validate_only => BOOLEAN
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>topics</td><td>Each topic that we want to create new partitions inside.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>count</td><td>The new partition count.</td></tr>
<tr>
<td>assignments</td><td>The new partition assignments.</td></tr>
<tr>
<td>broker_ids</td><td>The assigned broker IDs.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>timeout_ms</td><td>The time in ms to wait for the partitions to be created.</td></tr>
<tr>
<td>validate_only</td><td>If true, then validate the request, but don't actually increase the number of partitions.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<p><pre>CreatePartitions Request (Version: 3) => [topics] timeout_ms validate_only TAG_BUFFER 
  topics => name count [assignments] TAG_BUFFER 
    name => COMPACT_STRING
    count => INT32
    assignments => [broker_ids] TAG_BUFFER 
      broker_ids => INT32
  timeout_ms => INT32
  validate_only => BOOLEAN
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>topics</td><td>Each topic that we want to create new partitions inside.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>count</td><td>The new partition count.</td></tr>
<tr>
<td>assignments</td><td>The new partition assignments.</td></tr>
<tr>
<td>broker_ids</td><td>The assigned broker IDs.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>timeout_ms</td><td>The time in ms to wait for the partitions to be created.</td></tr>
<tr>
<td>validate_only</td><td>If true, then validate the request, but don't actually increase the number of partitions.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<b>Responses:</b><br>
<p><pre>CreatePartitions Response (Version: 0) => throttle_time_ms [results] 
  throttle_time_ms => INT32
  results => name error_code error_message 
    name => STRING
    error_code => INT16
    error_message => NULLABLE_STRING
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>results</td><td>The partition creation results for each topic.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>error_code</td><td>The result error, or zero if there was no error.</td></tr>
<tr>
<td>error_message</td><td>The result message, or null if there was no error.</td></tr>
</table>
</p>
<p><pre>CreatePartitions Response (Version: 1) => throttle_time_ms [results] 
  throttle_time_ms => INT32
  results => name error_code error_message 
    name => STRING
    error_code => INT16
    error_message => NULLABLE_STRING
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>results</td><td>The partition creation results for each topic.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>error_code</td><td>The result error, or zero if there was no error.</td></tr>
<tr>
<td>error_message</td><td>The result message, or null if there was no error.</td></tr>
</table>
</p>
<p><pre>CreatePartitions Response (Version: 2) => throttle_time_ms [results] TAG_BUFFER 
  throttle_time_ms => INT32
  results => name error_code error_message TAG_BUFFER 
    name => COMPACT_STRING
    error_code => INT16
    error_message => COMPACT_NULLABLE_STRING
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>results</td><td>The partition creation results for each topic.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>error_code</td><td>The result error, or zero if there was no error.</td></tr>
<tr>
<td>error_message</td><td>The result message, or null if there was no error.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<p><pre>CreatePartitions Response (Version: 3) => throttle_time_ms [results] TAG_BUFFER 
  throttle_time_ms => INT32
  results => name error_code error_message TAG_BUFFER 
    name => COMPACT_STRING
    error_code => INT16
    error_message => COMPACT_NULLABLE_STRING
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>results</td><td>The partition creation results for each topic.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>error_code</td><td>The result error, or zero if there was no error.</td></tr>
<tr>
<td>error_message</td><td>The result message, or null if there was no error.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<h5><a name="The_Messages_CreateDelegationToken">CreateDelegationToken API (Key: 38):</a></h5>

<b>Requests:</b><br>
<p><pre>CreateDelegationToken Request (Version: 0) => [renewers] max_lifetime_ms 
  renewers => principal_type principal_name 
    principal_type => STRING
    principal_name => STRING
  max_lifetime_ms => INT64
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>renewers</td><td>A list of those who are allowed to renew this token before it expires.</td></tr>
<tr>
<td>principal_type</td><td>The type of the Kafka principal.</td></tr>
<tr>
<td>principal_name</td><td>The name of the Kafka principal.</td></tr>
<tr>
<td>max_lifetime_ms</td><td>The maximum lifetime of the token in milliseconds, or -1 to use the server side default.</td></tr>
</table>
</p>
<p><pre>CreateDelegationToken Request (Version: 1) => [renewers] max_lifetime_ms 
  renewers => principal_type principal_name 
    principal_type => STRING
    principal_name => STRING
  max_lifetime_ms => INT64
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>renewers</td><td>A list of those who are allowed to renew this token before it expires.</td></tr>
<tr>
<td>principal_type</td><td>The type of the Kafka principal.</td></tr>
<tr>
<td>principal_name</td><td>The name of the Kafka principal.</td></tr>
<tr>
<td>max_lifetime_ms</td><td>The maximum lifetime of the token in milliseconds, or -1 to use the server side default.</td></tr>
</table>
</p>
<p><pre>CreateDelegationToken Request (Version: 2) => [renewers] max_lifetime_ms TAG_BUFFER 
  renewers => principal_type principal_name TAG_BUFFER 
    principal_type => COMPACT_STRING
    principal_name => COMPACT_STRING
  max_lifetime_ms => INT64
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>renewers</td><td>A list of those who are allowed to renew this token before it expires.</td></tr>
<tr>
<td>principal_type</td><td>The type of the Kafka principal.</td></tr>
<tr>
<td>principal_name</td><td>The name of the Kafka principal.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>max_lifetime_ms</td><td>The maximum lifetime of the token in milliseconds, or -1 to use the server side default.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<b>Responses:</b><br>
<p><pre>CreateDelegationToken Response (Version: 0) => error_code principal_type principal_name issue_timestamp_ms expiry_timestamp_ms max_timestamp_ms token_id hmac throttle_time_ms 
  error_code => INT16
  principal_type => STRING
  principal_name => STRING
  issue_timestamp_ms => INT64
  expiry_timestamp_ms => INT64
  max_timestamp_ms => INT64
  token_id => STRING
  hmac => BYTES
  throttle_time_ms => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>error_code</td><td>The top-level error, or zero if there was no error.</td></tr>
<tr>
<td>principal_type</td><td>The principal type of the token owner.</td></tr>
<tr>
<td>principal_name</td><td>The name of the token owner.</td></tr>
<tr>
<td>issue_timestamp_ms</td><td>When this token was generated.</td></tr>
<tr>
<td>expiry_timestamp_ms</td><td>When this token expires.</td></tr>
<tr>
<td>max_timestamp_ms</td><td>The maximum lifetime of this token.</td></tr>
<tr>
<td>token_id</td><td>The token UUID.</td></tr>
<tr>
<td>hmac</td><td>HMAC of the delegation token.</td></tr>
<tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
</table>
</p>
<p><pre>CreateDelegationToken Response (Version: 1) => error_code principal_type principal_name issue_timestamp_ms expiry_timestamp_ms max_timestamp_ms token_id hmac throttle_time_ms 
  error_code => INT16
  principal_type => STRING
  principal_name => STRING
  issue_timestamp_ms => INT64
  expiry_timestamp_ms => INT64
  max_timestamp_ms => INT64
  token_id => STRING
  hmac => BYTES
  throttle_time_ms => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>error_code</td><td>The top-level error, or zero if there was no error.</td></tr>
<tr>
<td>principal_type</td><td>The principal type of the token owner.</td></tr>
<tr>
<td>principal_name</td><td>The name of the token owner.</td></tr>
<tr>
<td>issue_timestamp_ms</td><td>When this token was generated.</td></tr>
<tr>
<td>expiry_timestamp_ms</td><td>When this token expires.</td></tr>
<tr>
<td>max_timestamp_ms</td><td>The maximum lifetime of this token.</td></tr>
<tr>
<td>token_id</td><td>The token UUID.</td></tr>
<tr>
<td>hmac</td><td>HMAC of the delegation token.</td></tr>
<tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
</table>
</p>
<p><pre>CreateDelegationToken Response (Version: 2) => error_code principal_type principal_name issue_timestamp_ms expiry_timestamp_ms max_timestamp_ms token_id hmac throttle_time_ms TAG_BUFFER 
  error_code => INT16
  principal_type => COMPACT_STRING
  principal_name => COMPACT_STRING
  issue_timestamp_ms => INT64
  expiry_timestamp_ms => INT64
  max_timestamp_ms => INT64
  token_id => COMPACT_STRING
  hmac => COMPACT_BYTES
  throttle_time_ms => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>error_code</td><td>The top-level error, or zero if there was no error.</td></tr>
<tr>
<td>principal_type</td><td>The principal type of the token owner.</td></tr>
<tr>
<td>principal_name</td><td>The name of the token owner.</td></tr>
<tr>
<td>issue_timestamp_ms</td><td>When this token was generated.</td></tr>
<tr>
<td>expiry_timestamp_ms</td><td>When this token expires.</td></tr>
<tr>
<td>max_timestamp_ms</td><td>The maximum lifetime of this token.</td></tr>
<tr>
<td>token_id</td><td>The token UUID.</td></tr>
<tr>
<td>hmac</td><td>HMAC of the delegation token.</td></tr>
<tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<h5><a name="The_Messages_RenewDelegationToken">RenewDelegationToken API (Key: 39):</a></h5>

<b>Requests:</b><br>
<p><pre>RenewDelegationToken Request (Version: 0) => hmac renew_period_ms 
  hmac => BYTES
  renew_period_ms => INT64
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>hmac</td><td>The HMAC of the delegation token to be renewed.</td></tr>
<tr>
<td>renew_period_ms</td><td>The renewal time period in milliseconds.</td></tr>
</table>
</p>
<p><pre>RenewDelegationToken Request (Version: 1) => hmac renew_period_ms 
  hmac => BYTES
  renew_period_ms => INT64
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>hmac</td><td>The HMAC of the delegation token to be renewed.</td></tr>
<tr>
<td>renew_period_ms</td><td>The renewal time period in milliseconds.</td></tr>
</table>
</p>
<p><pre>RenewDelegationToken Request (Version: 2) => hmac renew_period_ms TAG_BUFFER 
  hmac => COMPACT_BYTES
  renew_period_ms => INT64
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>hmac</td><td>The HMAC of the delegation token to be renewed.</td></tr>
<tr>
<td>renew_period_ms</td><td>The renewal time period in milliseconds.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<b>Responses:</b><br>
<p><pre>RenewDelegationToken Response (Version: 0) => error_code expiry_timestamp_ms throttle_time_ms 
  error_code => INT16
  expiry_timestamp_ms => INT64
  throttle_time_ms => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>error_code</td><td>The error code, or 0 if there was no error.</td></tr>
<tr>
<td>expiry_timestamp_ms</td><td>The timestamp in milliseconds at which this token expires.</td></tr>
<tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
</table>
</p>
<p><pre>RenewDelegationToken Response (Version: 1) => error_code expiry_timestamp_ms throttle_time_ms 
  error_code => INT16
  expiry_timestamp_ms => INT64
  throttle_time_ms => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>error_code</td><td>The error code, or 0 if there was no error.</td></tr>
<tr>
<td>expiry_timestamp_ms</td><td>The timestamp in milliseconds at which this token expires.</td></tr>
<tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
</table>
</p>
<p><pre>RenewDelegationToken Response (Version: 2) => error_code expiry_timestamp_ms throttle_time_ms TAG_BUFFER 
  error_code => INT16
  expiry_timestamp_ms => INT64
  throttle_time_ms => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>error_code</td><td>The error code, or 0 if there was no error.</td></tr>
<tr>
<td>expiry_timestamp_ms</td><td>The timestamp in milliseconds at which this token expires.</td></tr>
<tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<h5><a name="The_Messages_ExpireDelegationToken">ExpireDelegationToken API (Key: 40):</a></h5>

<b>Requests:</b><br>
<p><pre>ExpireDelegationToken Request (Version: 0) => hmac expiry_time_period_ms 
  hmac => BYTES
  expiry_time_period_ms => INT64
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>hmac</td><td>The HMAC of the delegation token to be expired.</td></tr>
<tr>
<td>expiry_time_period_ms</td><td>The expiry time period in milliseconds.</td></tr>
</table>
</p>
<p><pre>ExpireDelegationToken Request (Version: 1) => hmac expiry_time_period_ms 
  hmac => BYTES
  expiry_time_period_ms => INT64
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>hmac</td><td>The HMAC of the delegation token to be expired.</td></tr>
<tr>
<td>expiry_time_period_ms</td><td>The expiry time period in milliseconds.</td></tr>
</table>
</p>
<p><pre>ExpireDelegationToken Request (Version: 2) => hmac expiry_time_period_ms TAG_BUFFER 
  hmac => COMPACT_BYTES
  expiry_time_period_ms => INT64
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>hmac</td><td>The HMAC of the delegation token to be expired.</td></tr>
<tr>
<td>expiry_time_period_ms</td><td>The expiry time period in milliseconds.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<b>Responses:</b><br>
<p><pre>ExpireDelegationToken Response (Version: 0) => error_code expiry_timestamp_ms throttle_time_ms 
  error_code => INT16
  expiry_timestamp_ms => INT64
  throttle_time_ms => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>error_code</td><td>The error code, or 0 if there was no error.</td></tr>
<tr>
<td>expiry_timestamp_ms</td><td>The timestamp in milliseconds at which this token expires.</td></tr>
<tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
</table>
</p>
<p><pre>ExpireDelegationToken Response (Version: 1) => error_code expiry_timestamp_ms throttle_time_ms 
  error_code => INT16
  expiry_timestamp_ms => INT64
  throttle_time_ms => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>error_code</td><td>The error code, or 0 if there was no error.</td></tr>
<tr>
<td>expiry_timestamp_ms</td><td>The timestamp in milliseconds at which this token expires.</td></tr>
<tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
</table>
</p>
<p><pre>ExpireDelegationToken Response (Version: 2) => error_code expiry_timestamp_ms throttle_time_ms TAG_BUFFER 
  error_code => INT16
  expiry_timestamp_ms => INT64
  throttle_time_ms => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>error_code</td><td>The error code, or 0 if there was no error.</td></tr>
<tr>
<td>expiry_timestamp_ms</td><td>The timestamp in milliseconds at which this token expires.</td></tr>
<tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<h5><a name="The_Messages_DescribeDelegationToken">DescribeDelegationToken API (Key: 41):</a></h5>

<b>Requests:</b><br>
<p><pre>DescribeDelegationToken Request (Version: 0) => [owners] 
  owners => principal_type principal_name 
    principal_type => STRING
    principal_name => STRING
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>owners</td><td>Each owner that we want to describe delegation tokens for, or null to describe all tokens.</td></tr>
<tr>
<td>principal_type</td><td>The owner principal type.</td></tr>
<tr>
<td>principal_name</td><td>The owner principal name.</td></tr>
</table>
</p>
<p><pre>DescribeDelegationToken Request (Version: 1) => [owners] 
  owners => principal_type principal_name 
    principal_type => STRING
    principal_name => STRING
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>owners</td><td>Each owner that we want to describe delegation tokens for, or null to describe all tokens.</td></tr>
<tr>
<td>principal_type</td><td>The owner principal type.</td></tr>
<tr>
<td>principal_name</td><td>The owner principal name.</td></tr>
</table>
</p>
<p><pre>DescribeDelegationToken Request (Version: 2) => [owners] TAG_BUFFER 
  owners => principal_type principal_name TAG_BUFFER 
    principal_type => COMPACT_STRING
    principal_name => COMPACT_STRING
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>owners</td><td>Each owner that we want to describe delegation tokens for, or null to describe all tokens.</td></tr>
<tr>
<td>principal_type</td><td>The owner principal type.</td></tr>
<tr>
<td>principal_name</td><td>The owner principal name.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<b>Responses:</b><br>
<p><pre>DescribeDelegationToken Response (Version: 0) => error_code [tokens] throttle_time_ms 
  error_code => INT16
  tokens => principal_type principal_name issue_timestamp expiry_timestamp max_timestamp token_id hmac [renewers] 
    principal_type => STRING
    principal_name => STRING
    issue_timestamp => INT64
    expiry_timestamp => INT64
    max_timestamp => INT64
    token_id => STRING
    hmac => BYTES
    renewers => principal_type principal_name 
      principal_type => STRING
      principal_name => STRING
  throttle_time_ms => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>error_code</td><td>The error code, or 0 if there was no error.</td></tr>
<tr>
<td>tokens</td><td>The tokens.</td></tr>
<tr>
<td>principal_type</td><td>The token principal type.</td></tr>
<tr>
<td>principal_name</td><td>The token principal name.</td></tr>
<tr>
<td>issue_timestamp</td><td>The token issue timestamp in milliseconds.</td></tr>
<tr>
<td>expiry_timestamp</td><td>The token expiry timestamp in milliseconds.</td></tr>
<tr>
<td>max_timestamp</td><td>The token maximum timestamp length in milliseconds.</td></tr>
<tr>
<td>token_id</td><td>The token ID.</td></tr>
<tr>
<td>hmac</td><td>The token HMAC.</td></tr>
<tr>
<td>renewers</td><td>Those who are able to renew this token before it expires.</td></tr>
<tr>
<td>principal_type</td><td>The renewer principal type</td></tr>
<tr>
<td>principal_name</td><td>The renewer principal name</td></tr>
<tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
</table>
</p>
<p><pre>DescribeDelegationToken Response (Version: 1) => error_code [tokens] throttle_time_ms 
  error_code => INT16
  tokens => principal_type principal_name issue_timestamp expiry_timestamp max_timestamp token_id hmac [renewers] 
    principal_type => STRING
    principal_name => STRING
    issue_timestamp => INT64
    expiry_timestamp => INT64
    max_timestamp => INT64
    token_id => STRING
    hmac => BYTES
    renewers => principal_type principal_name 
      principal_type => STRING
      principal_name => STRING
  throttle_time_ms => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>error_code</td><td>The error code, or 0 if there was no error.</td></tr>
<tr>
<td>tokens</td><td>The tokens.</td></tr>
<tr>
<td>principal_type</td><td>The token principal type.</td></tr>
<tr>
<td>principal_name</td><td>The token principal name.</td></tr>
<tr>
<td>issue_timestamp</td><td>The token issue timestamp in milliseconds.</td></tr>
<tr>
<td>expiry_timestamp</td><td>The token expiry timestamp in milliseconds.</td></tr>
<tr>
<td>max_timestamp</td><td>The token maximum timestamp length in milliseconds.</td></tr>
<tr>
<td>token_id</td><td>The token ID.</td></tr>
<tr>
<td>hmac</td><td>The token HMAC.</td></tr>
<tr>
<td>renewers</td><td>Those who are able to renew this token before it expires.</td></tr>
<tr>
<td>principal_type</td><td>The renewer principal type</td></tr>
<tr>
<td>principal_name</td><td>The renewer principal name</td></tr>
<tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
</table>
</p>
<p><pre>DescribeDelegationToken Response (Version: 2) => error_code [tokens] throttle_time_ms TAG_BUFFER 
  error_code => INT16
  tokens => principal_type principal_name issue_timestamp expiry_timestamp max_timestamp token_id hmac [renewers] TAG_BUFFER 
    principal_type => COMPACT_STRING
    principal_name => COMPACT_STRING
    issue_timestamp => INT64
    expiry_timestamp => INT64
    max_timestamp => INT64
    token_id => COMPACT_STRING
    hmac => COMPACT_BYTES
    renewers => principal_type principal_name TAG_BUFFER 
      principal_type => COMPACT_STRING
      principal_name => COMPACT_STRING
  throttle_time_ms => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>error_code</td><td>The error code, or 0 if there was no error.</td></tr>
<tr>
<td>tokens</td><td>The tokens.</td></tr>
<tr>
<td>principal_type</td><td>The token principal type.</td></tr>
<tr>
<td>principal_name</td><td>The token principal name.</td></tr>
<tr>
<td>issue_timestamp</td><td>The token issue timestamp in milliseconds.</td></tr>
<tr>
<td>expiry_timestamp</td><td>The token expiry timestamp in milliseconds.</td></tr>
<tr>
<td>max_timestamp</td><td>The token maximum timestamp length in milliseconds.</td></tr>
<tr>
<td>token_id</td><td>The token ID.</td></tr>
<tr>
<td>hmac</td><td>The token HMAC.</td></tr>
<tr>
<td>renewers</td><td>Those who are able to renew this token before it expires.</td></tr>
<tr>
<td>principal_type</td><td>The renewer principal type</td></tr>
<tr>
<td>principal_name</td><td>The renewer principal name</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<h5><a name="The_Messages_DeleteGroups">DeleteGroups API (Key: 42):</a></h5>

<b>Requests:</b><br>
<p><pre>DeleteGroups Request (Version: 0) => [groups_names] 
  groups_names => STRING
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>groups_names</td><td>The group names to delete.</td></tr>
</table>
</p>
<p><pre>DeleteGroups Request (Version: 1) => [groups_names] 
  groups_names => STRING
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>groups_names</td><td>The group names to delete.</td></tr>
</table>
</p>
<p><pre>DeleteGroups Request (Version: 2) => [groups_names] TAG_BUFFER 
  groups_names => COMPACT_STRING
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>groups_names</td><td>The group names to delete.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<b>Responses:</b><br>
<p><pre>DeleteGroups Response (Version: 0) => throttle_time_ms [results] 
  throttle_time_ms => INT32
  results => group_id error_code 
    group_id => STRING
    error_code => INT16
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>results</td><td>The deletion results</td></tr>
<tr>
<td>group_id</td><td>The group id</td></tr>
<tr>
<td>error_code</td><td>The deletion error, or 0 if the deletion succeeded.</td></tr>
</table>
</p>
<p><pre>DeleteGroups Response (Version: 1) => throttle_time_ms [results] 
  throttle_time_ms => INT32
  results => group_id error_code 
    group_id => STRING
    error_code => INT16
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>results</td><td>The deletion results</td></tr>
<tr>
<td>group_id</td><td>The group id</td></tr>
<tr>
<td>error_code</td><td>The deletion error, or 0 if the deletion succeeded.</td></tr>
</table>
</p>
<p><pre>DeleteGroups Response (Version: 2) => throttle_time_ms [results] TAG_BUFFER 
  throttle_time_ms => INT32
  results => group_id error_code TAG_BUFFER 
    group_id => COMPACT_STRING
    error_code => INT16
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>results</td><td>The deletion results</td></tr>
<tr>
<td>group_id</td><td>The group id</td></tr>
<tr>
<td>error_code</td><td>The deletion error, or 0 if the deletion succeeded.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<h5><a name="The_Messages_ElectLeaders">ElectLeaders API (Key: 43):</a></h5>

<b>Requests:</b><br>
<p><pre>ElectLeaders Request (Version: 0) => [topic_partitions] timeout_ms 
  topic_partitions => topic [partition_id] 
    topic => STRING
    partition_id => INT32
  timeout_ms => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>topic_partitions</td><td>The topic partitions to elect leaders.</td></tr>
<tr>
<td>topic</td><td>The name of a topic.</td></tr>
<tr>
<td>partition_id</td><td>The partitions of this topic whose leader should be elected.</td></tr>
<tr>
<td>timeout_ms</td><td>The time in ms to wait for the election to complete.</td></tr>
</table>
</p>
<p><pre>ElectLeaders Request (Version: 1) => election_type [topic_partitions] timeout_ms 
  election_type => INT8
  topic_partitions => topic [partition_id] 
    topic => STRING
    partition_id => INT32
  timeout_ms => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>election_type</td><td>Type of elections to conduct for the partition. A value of '0' elects the preferred replica. A value of '1' elects the first live replica if there are no in-sync replica.</td></tr>
<tr>
<td>topic_partitions</td><td>The topic partitions to elect leaders.</td></tr>
<tr>
<td>topic</td><td>The name of a topic.</td></tr>
<tr>
<td>partition_id</td><td>The partitions of this topic whose leader should be elected.</td></tr>
<tr>
<td>timeout_ms</td><td>The time in ms to wait for the election to complete.</td></tr>
</table>
</p>
<p><pre>ElectLeaders Request (Version: 2) => election_type [topic_partitions] timeout_ms TAG_BUFFER 
  election_type => INT8
  topic_partitions => topic [partition_id] TAG_BUFFER 
    topic => COMPACT_STRING
    partition_id => INT32
  timeout_ms => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>election_type</td><td>Type of elections to conduct for the partition. A value of '0' elects the preferred replica. A value of '1' elects the first live replica if there are no in-sync replica.</td></tr>
<tr>
<td>topic_partitions</td><td>The topic partitions to elect leaders.</td></tr>
<tr>
<td>topic</td><td>The name of a topic.</td></tr>
<tr>
<td>partition_id</td><td>The partitions of this topic whose leader should be elected.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>timeout_ms</td><td>The time in ms to wait for the election to complete.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<b>Responses:</b><br>
<p><pre>ElectLeaders Response (Version: 0) => throttle_time_ms [replica_election_results] 
  throttle_time_ms => INT32
  replica_election_results => topic [partition_result] 
    topic => STRING
    partition_result => partition_id error_code error_message 
      partition_id => INT32
      error_code => INT16
      error_message => NULLABLE_STRING
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>replica_election_results</td><td>The election results, or an empty array if the requester did not have permission and the request asks for all partitions.</td></tr>
<tr>
<td>topic</td><td>The topic name</td></tr>
<tr>
<td>partition_result</td><td>The results for each partition</td></tr>
<tr>
<td>partition_id</td><td>The partition id</td></tr>
<tr>
<td>error_code</td><td>The result error, or zero if there was no error.</td></tr>
<tr>
<td>error_message</td><td>The result message, or null if there was no error.</td></tr>
</table>
</p>
<p><pre>ElectLeaders Response (Version: 1) => throttle_time_ms error_code [replica_election_results] 
  throttle_time_ms => INT32
  error_code => INT16
  replica_election_results => topic [partition_result] 
    topic => STRING
    partition_result => partition_id error_code error_message 
      partition_id => INT32
      error_code => INT16
      error_message => NULLABLE_STRING
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>error_code</td><td>The top level response error code.</td></tr>
<tr>
<td>replica_election_results</td><td>The election results, or an empty array if the requester did not have permission and the request asks for all partitions.</td></tr>
<tr>
<td>topic</td><td>The topic name</td></tr>
<tr>
<td>partition_result</td><td>The results for each partition</td></tr>
<tr>
<td>partition_id</td><td>The partition id</td></tr>
<tr>
<td>error_code</td><td>The result error, or zero if there was no error.</td></tr>
<tr>
<td>error_message</td><td>The result message, or null if there was no error.</td></tr>
</table>
</p>
<p><pre>ElectLeaders Response (Version: 2) => throttle_time_ms error_code [replica_election_results] TAG_BUFFER 
  throttle_time_ms => INT32
  error_code => INT16
  replica_election_results => topic [partition_result] TAG_BUFFER 
    topic => COMPACT_STRING
    partition_result => partition_id error_code error_message TAG_BUFFER 
      partition_id => INT32
      error_code => INT16
      error_message => COMPACT_NULLABLE_STRING
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>error_code</td><td>The top level response error code.</td></tr>
<tr>
<td>replica_election_results</td><td>The election results, or an empty array if the requester did not have permission and the request asks for all partitions.</td></tr>
<tr>
<td>topic</td><td>The topic name</td></tr>
<tr>
<td>partition_result</td><td>The results for each partition</td></tr>
<tr>
<td>partition_id</td><td>The partition id</td></tr>
<tr>
<td>error_code</td><td>The result error, or zero if there was no error.</td></tr>
<tr>
<td>error_message</td><td>The result message, or null if there was no error.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<h5><a name="The_Messages_IncrementalAlterConfigs">IncrementalAlterConfigs API (Key: 44):</a></h5>

<b>Requests:</b><br>
<p><pre>IncrementalAlterConfigs Request (Version: 0) => [resources] validate_only 
  resources => resource_type resource_name [configs] 
    resource_type => INT8
    resource_name => STRING
    configs => name config_operation value 
      name => STRING
      config_operation => INT8
      value => NULLABLE_STRING
  validate_only => BOOLEAN
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>resources</td><td>The incremental updates for each resource.</td></tr>
<tr>
<td>resource_type</td><td>The resource type.</td></tr>
<tr>
<td>resource_name</td><td>The resource name.</td></tr>
<tr>
<td>configs</td><td>The configurations.</td></tr>
<tr>
<td>name</td><td>The configuration key name.</td></tr>
<tr>
<td>config_operation</td><td>The type (Set, Delete, Append, Subtract) of operation.</td></tr>
<tr>
<td>value</td><td>The value to set for the configuration key.</td></tr>
<tr>
<td>validate_only</td><td>True if we should validate the request, but not change the configurations.</td></tr>
</table>
</p>
<p><pre>IncrementalAlterConfigs Request (Version: 1) => [resources] validate_only TAG_BUFFER 
  resources => resource_type resource_name [configs] TAG_BUFFER 
    resource_type => INT8
    resource_name => COMPACT_STRING
    configs => name config_operation value TAG_BUFFER 
      name => COMPACT_STRING
      config_operation => INT8
      value => COMPACT_NULLABLE_STRING
  validate_only => BOOLEAN
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>resources</td><td>The incremental updates for each resource.</td></tr>
<tr>
<td>resource_type</td><td>The resource type.</td></tr>
<tr>
<td>resource_name</td><td>The resource name.</td></tr>
<tr>
<td>configs</td><td>The configurations.</td></tr>
<tr>
<td>name</td><td>The configuration key name.</td></tr>
<tr>
<td>config_operation</td><td>The type (Set, Delete, Append, Subtract) of operation.</td></tr>
<tr>
<td>value</td><td>The value to set for the configuration key.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>validate_only</td><td>True if we should validate the request, but not change the configurations.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<b>Responses:</b><br>
<p><pre>IncrementalAlterConfigs Response (Version: 0) => throttle_time_ms [responses] 
  throttle_time_ms => INT32
  responses => error_code error_message resource_type resource_name 
    error_code => INT16
    error_message => NULLABLE_STRING
    resource_type => INT8
    resource_name => STRING
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>Duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>responses</td><td>The responses for each resource.</td></tr>
<tr>
<td>error_code</td><td>The resource error code.</td></tr>
<tr>
<td>error_message</td><td>The resource error message, or null if there was no error.</td></tr>
<tr>
<td>resource_type</td><td>The resource type.</td></tr>
<tr>
<td>resource_name</td><td>The resource name.</td></tr>
</table>
</p>
<p><pre>IncrementalAlterConfigs Response (Version: 1) => throttle_time_ms [responses] TAG_BUFFER 
  throttle_time_ms => INT32
  responses => error_code error_message resource_type resource_name TAG_BUFFER 
    error_code => INT16
    error_message => COMPACT_NULLABLE_STRING
    resource_type => INT8
    resource_name => COMPACT_STRING
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>Duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>responses</td><td>The responses for each resource.</td></tr>
<tr>
<td>error_code</td><td>The resource error code.</td></tr>
<tr>
<td>error_message</td><td>The resource error message, or null if there was no error.</td></tr>
<tr>
<td>resource_type</td><td>The resource type.</td></tr>
<tr>
<td>resource_name</td><td>The resource name.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<h5><a name="The_Messages_AlterPartitionReassignments">AlterPartitionReassignments API (Key: 45):</a></h5>

<b>Requests:</b><br>
<p><pre>AlterPartitionReassignments Request (Version: 0) => timeout_ms [topics] TAG_BUFFER 
  timeout_ms => INT32
  topics => name [partitions] TAG_BUFFER 
    name => COMPACT_STRING
    partitions => partition_index [replicas] TAG_BUFFER 
      partition_index => INT32
      replicas => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>timeout_ms</td><td>The time in ms to wait for the request to complete.</td></tr>
<tr>
<td>topics</td><td>The topics to reassign.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>partitions</td><td>The partitions to reassign.</td></tr>
<tr>
<td>partition_index</td><td>The partition index.</td></tr>
<tr>
<td>replicas</td><td>The replicas to place the partitions on, or null to cancel a pending reassignment for this partition.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<b>Responses:</b><br>
<p><pre>AlterPartitionReassignments Response (Version: 0) => throttle_time_ms error_code error_message [responses] TAG_BUFFER 
  throttle_time_ms => INT32
  error_code => INT16
  error_message => COMPACT_NULLABLE_STRING
  responses => name [partitions] TAG_BUFFER 
    name => COMPACT_STRING
    partitions => partition_index error_code error_message TAG_BUFFER 
      partition_index => INT32
      error_code => INT16
      error_message => COMPACT_NULLABLE_STRING
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>error_code</td><td>The top-level error code, or 0 if there was no error.</td></tr>
<tr>
<td>error_message</td><td>The top-level error message, or null if there was no error.</td></tr>
<tr>
<td>responses</td><td>The responses to topics to reassign.</td></tr>
<tr>
<td>name</td><td>The topic name</td></tr>
<tr>
<td>partitions</td><td>The responses to partitions to reassign</td></tr>
<tr>
<td>partition_index</td><td>The partition index.</td></tr>
<tr>
<td>error_code</td><td>The error code for this partition, or 0 if there was no error.</td></tr>
<tr>
<td>error_message</td><td>The error message for this partition, or null if there was no error.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<h5><a name="The_Messages_ListPartitionReassignments">ListPartitionReassignments API (Key: 46):</a></h5>

<b>Requests:</b><br>
<p><pre>ListPartitionReassignments Request (Version: 0) => timeout_ms [topics] TAG_BUFFER 
  timeout_ms => INT32
  topics => name [partition_indexes] TAG_BUFFER 
    name => COMPACT_STRING
    partition_indexes => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>timeout_ms</td><td>The time in ms to wait for the request to complete.</td></tr>
<tr>
<td>topics</td><td>The topics to list partition reassignments for, or null to list everything.</td></tr>
<tr>
<td>name</td><td>The topic name</td></tr>
<tr>
<td>partition_indexes</td><td>The partitions to list partition reassignments for.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<b>Responses:</b><br>
<p><pre>ListPartitionReassignments Response (Version: 0) => throttle_time_ms error_code error_message [topics] TAG_BUFFER 
  throttle_time_ms => INT32
  error_code => INT16
  error_message => COMPACT_NULLABLE_STRING
  topics => name [partitions] TAG_BUFFER 
    name => COMPACT_STRING
    partitions => partition_index [replicas] [adding_replicas] [removing_replicas] TAG_BUFFER 
      partition_index => INT32
      replicas => INT32
      adding_replicas => INT32
      removing_replicas => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>error_code</td><td>The top-level error code, or 0 if there was no error</td></tr>
<tr>
<td>error_message</td><td>The top-level error message, or null if there was no error.</td></tr>
<tr>
<td>topics</td><td>The ongoing reassignments for each topic.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>partitions</td><td>The ongoing reassignments for each partition.</td></tr>
<tr>
<td>partition_index</td><td>The index of the partition.</td></tr>
<tr>
<td>replicas</td><td>The current replica set.</td></tr>
<tr>
<td>adding_replicas</td><td>The set of replicas we are currently adding.</td></tr>
<tr>
<td>removing_replicas</td><td>The set of replicas we are currently removing.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<h5><a name="The_Messages_OffsetDelete">OffsetDelete API (Key: 47):</a></h5>

<b>Requests:</b><br>
<p><pre>OffsetDelete Request (Version: 0) => group_id [topics] 
  group_id => STRING
  topics => name [partitions] 
    name => STRING
    partitions => partition_index 
      partition_index => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>group_id</td><td>The unique group identifier.</td></tr>
<tr>
<td>topics</td><td>The topics to delete offsets for</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>partitions</td><td>Each partition to delete offsets for.</td></tr>
<tr>
<td>partition_index</td><td>The partition index.</td></tr>
</table>
</p>
<b>Responses:</b><br>
<p><pre>OffsetDelete Response (Version: 0) => error_code throttle_time_ms [topics] 
  error_code => INT16
  throttle_time_ms => INT32
  topics => name [partitions] 
    name => STRING
    partitions => partition_index error_code 
      partition_index => INT32
      error_code => INT16
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>error_code</td><td>The top-level error code, or 0 if there was no error.</td></tr>
<tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>topics</td><td>The responses for each topic.</td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>partitions</td><td>The responses for each partition in the topic.</td></tr>
<tr>
<td>partition_index</td><td>The partition index.</td></tr>
<tr>
<td>error_code</td><td>The error code, or 0 if there was no error.</td></tr>
</table>
</p>
<h5><a name="The_Messages_DescribeClientQuotas">DescribeClientQuotas API (Key: 48):</a></h5>

<b>Requests:</b><br>
<p><pre>DescribeClientQuotas Request (Version: 0) => [components] strict 
  components => entity_type match_type match 
    entity_type => STRING
    match_type => INT8
    match => NULLABLE_STRING
  strict => BOOLEAN
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>components</td><td>Filter components to apply to quota entities.</td></tr>
<tr>
<td>entity_type</td><td>The entity type that the filter component applies to.</td></tr>
<tr>
<td>match_type</td><td>How to match the entity {0 = exact name, 1 = default name, 2 = any specified name}.</td></tr>
<tr>
<td>match</td><td>The string to match against, or null if unused for the match type.</td></tr>
<tr>
<td>strict</td><td>Whether the match is strict, i.e. should exclude entities with unspecified entity types.</td></tr>
</table>
</p>
<p><pre>DescribeClientQuotas Request (Version: 1) => [components] strict TAG_BUFFER 
  components => entity_type match_type match TAG_BUFFER 
    entity_type => COMPACT_STRING
    match_type => INT8
    match => COMPACT_NULLABLE_STRING
  strict => BOOLEAN
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>components</td><td>Filter components to apply to quota entities.</td></tr>
<tr>
<td>entity_type</td><td>The entity type that the filter component applies to.</td></tr>
<tr>
<td>match_type</td><td>How to match the entity {0 = exact name, 1 = default name, 2 = any specified name}.</td></tr>
<tr>
<td>match</td><td>The string to match against, or null if unused for the match type.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>strict</td><td>Whether the match is strict, i.e. should exclude entities with unspecified entity types.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<b>Responses:</b><br>
<p><pre>DescribeClientQuotas Response (Version: 0) => throttle_time_ms error_code error_message [entries] 
  throttle_time_ms => INT32
  error_code => INT16
  error_message => NULLABLE_STRING
  entries => [entity] [values] 
    entity => entity_type entity_name 
      entity_type => STRING
      entity_name => NULLABLE_STRING
    values => key value 
      key => STRING
      value => FLOAT64
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>error_code</td><td>The error code, or `0` if the quota description succeeded.</td></tr>
<tr>
<td>error_message</td><td>The error message, or `null` if the quota description succeeded.</td></tr>
<tr>
<td>entries</td><td>A result entry.</td></tr>
<tr>
<td>entity</td><td>The quota entity description.</td></tr>
<tr>
<td>entity_type</td><td>The entity type.</td></tr>
<tr>
<td>entity_name</td><td>The entity name, or null if the default.</td></tr>
<tr>
<td>values</td><td>The quota values for the entity.</td></tr>
<tr>
<td>key</td><td>The quota configuration key.</td></tr>
<tr>
<td>value</td><td>The quota configuration value.</td></tr>
</table>
</p>
<p><pre>DescribeClientQuotas Response (Version: 1) => throttle_time_ms error_code error_message [entries] TAG_BUFFER 
  throttle_time_ms => INT32
  error_code => INT16
  error_message => COMPACT_NULLABLE_STRING
  entries => [entity] [values] TAG_BUFFER 
    entity => entity_type entity_name TAG_BUFFER 
      entity_type => COMPACT_STRING
      entity_name => COMPACT_NULLABLE_STRING
    values => key value TAG_BUFFER 
      key => COMPACT_STRING
      value => FLOAT64
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>error_code</td><td>The error code, or `0` if the quota description succeeded.</td></tr>
<tr>
<td>error_message</td><td>The error message, or `null` if the quota description succeeded.</td></tr>
<tr>
<td>entries</td><td>A result entry.</td></tr>
<tr>
<td>entity</td><td>The quota entity description.</td></tr>
<tr>
<td>entity_type</td><td>The entity type.</td></tr>
<tr>
<td>entity_name</td><td>The entity name, or null if the default.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>values</td><td>The quota values for the entity.</td></tr>
<tr>
<td>key</td><td>The quota configuration key.</td></tr>
<tr>
<td>value</td><td>The quota configuration value.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<h5><a name="The_Messages_AlterClientQuotas">AlterClientQuotas API (Key: 49):</a></h5>

<b>Requests:</b><br>
<p><pre>AlterClientQuotas Request (Version: 0) => [entries] validate_only 
  entries => [entity] [ops] 
    entity => entity_type entity_name 
      entity_type => STRING
      entity_name => NULLABLE_STRING
    ops => key value remove 
      key => STRING
      value => FLOAT64
      remove => BOOLEAN
  validate_only => BOOLEAN
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>entries</td><td>The quota configuration entries to alter.</td></tr>
<tr>
<td>entity</td><td>The quota entity to alter.</td></tr>
<tr>
<td>entity_type</td><td>The entity type.</td></tr>
<tr>
<td>entity_name</td><td>The name of the entity, or null if the default.</td></tr>
<tr>
<td>ops</td><td>An individual quota configuration entry to alter.</td></tr>
<tr>
<td>key</td><td>The quota configuration key.</td></tr>
<tr>
<td>value</td><td>The value to set, otherwise ignored if the value is to be removed.</td></tr>
<tr>
<td>remove</td><td>Whether the quota configuration value should be removed, otherwise set.</td></tr>
<tr>
<td>validate_only</td><td>Whether the alteration should be validated, but not performed.</td></tr>
</table>
</p>
<p><pre>AlterClientQuotas Request (Version: 1) => [entries] validate_only TAG_BUFFER 
  entries => [entity] [ops] TAG_BUFFER 
    entity => entity_type entity_name TAG_BUFFER 
      entity_type => COMPACT_STRING
      entity_name => COMPACT_NULLABLE_STRING
    ops => key value remove TAG_BUFFER 
      key => COMPACT_STRING
      value => FLOAT64
      remove => BOOLEAN
  validate_only => BOOLEAN
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>entries</td><td>The quota configuration entries to alter.</td></tr>
<tr>
<td>entity</td><td>The quota entity to alter.</td></tr>
<tr>
<td>entity_type</td><td>The entity type.</td></tr>
<tr>
<td>entity_name</td><td>The name of the entity, or null if the default.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>ops</td><td>An individual quota configuration entry to alter.</td></tr>
<tr>
<td>key</td><td>The quota configuration key.</td></tr>
<tr>
<td>value</td><td>The value to set, otherwise ignored if the value is to be removed.</td></tr>
<tr>
<td>remove</td><td>Whether the quota configuration value should be removed, otherwise set.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>validate_only</td><td>Whether the alteration should be validated, but not performed.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<b>Responses:</b><br>
<p><pre>AlterClientQuotas Response (Version: 0) => throttle_time_ms [entries] 
  throttle_time_ms => INT32
  entries => error_code error_message [entity] 
    error_code => INT16
    error_message => NULLABLE_STRING
    entity => entity_type entity_name 
      entity_type => STRING
      entity_name => NULLABLE_STRING
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>entries</td><td>The quota configuration entries to alter.</td></tr>
<tr>
<td>error_code</td><td>The error code, or `0` if the quota alteration succeeded.</td></tr>
<tr>
<td>error_message</td><td>The error message, or `null` if the quota alteration succeeded.</td></tr>
<tr>
<td>entity</td><td>The quota entity to alter.</td></tr>
<tr>
<td>entity_type</td><td>The entity type.</td></tr>
<tr>
<td>entity_name</td><td>The name of the entity, or null if the default.</td></tr>
</table>
</p>
<p><pre>AlterClientQuotas Response (Version: 1) => throttle_time_ms [entries] TAG_BUFFER 
  throttle_time_ms => INT32
  entries => error_code error_message [entity] TAG_BUFFER 
    error_code => INT16
    error_message => COMPACT_NULLABLE_STRING
    entity => entity_type entity_name TAG_BUFFER 
      entity_type => COMPACT_STRING
      entity_name => COMPACT_NULLABLE_STRING
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>entries</td><td>The quota configuration entries to alter.</td></tr>
<tr>
<td>error_code</td><td>The error code, or `0` if the quota alteration succeeded.</td></tr>
<tr>
<td>error_message</td><td>The error message, or `null` if the quota alteration succeeded.</td></tr>
<tr>
<td>entity</td><td>The quota entity to alter.</td></tr>
<tr>
<td>entity_type</td><td>The entity type.</td></tr>
<tr>
<td>entity_name</td><td>The name of the entity, or null if the default.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<h5><a name="The_Messages_DescribeUserScramCredentials">DescribeUserScramCredentials API (Key: 50):</a></h5>

<b>Requests:</b><br>
<p><pre>DescribeUserScramCredentials Request (Version: 0) => [users] TAG_BUFFER 
  users => name TAG_BUFFER 
    name => COMPACT_STRING
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>users</td><td>The users to describe, or null/empty to describe all users.</td></tr>
<tr>
<td>name</td><td>The user name.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<b>Responses:</b><br>
<p><pre>DescribeUserScramCredentials Response (Version: 0) => throttle_time_ms error_code error_message [results] TAG_BUFFER 
  throttle_time_ms => INT32
  error_code => INT16
  error_message => COMPACT_NULLABLE_STRING
  results => user error_code error_message [credential_infos] TAG_BUFFER 
    user => COMPACT_STRING
    error_code => INT16
    error_message => COMPACT_NULLABLE_STRING
    credential_infos => mechanism iterations TAG_BUFFER 
      mechanism => INT8
      iterations => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>error_code</td><td>The message-level error code, 0 except for user authorization or infrastructure issues.</td></tr>
<tr>
<td>error_message</td><td>The message-level error message, if any.</td></tr>
<tr>
<td>results</td><td>The results for descriptions, one per user.</td></tr>
<tr>
<td>user</td><td>The user name.</td></tr>
<tr>
<td>error_code</td><td>The user-level error code.</td></tr>
<tr>
<td>error_message</td><td>The user-level error message, if any.</td></tr>
<tr>
<td>credential_infos</td><td>The mechanism and related information associated with the user's SCRAM credentials.</td></tr>
<tr>
<td>mechanism</td><td>The SCRAM mechanism.</td></tr>
<tr>
<td>iterations</td><td>The number of iterations used in the SCRAM credential.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<h5><a name="The_Messages_AlterUserScramCredentials">AlterUserScramCredentials API (Key: 51):</a></h5>

<b>Requests:</b><br>
<p><pre>AlterUserScramCredentials Request (Version: 0) => [deletions] [upsertions] TAG_BUFFER 
  deletions => name mechanism TAG_BUFFER 
    name => COMPACT_STRING
    mechanism => INT8
  upsertions => name mechanism iterations salt salted_password TAG_BUFFER 
    name => COMPACT_STRING
    mechanism => INT8
    iterations => INT32
    salt => COMPACT_BYTES
    salted_password => COMPACT_BYTES
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>deletions</td><td>The SCRAM credentials to remove.</td></tr>
<tr>
<td>name</td><td>The user name.</td></tr>
<tr>
<td>mechanism</td><td>The SCRAM mechanism.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>upsertions</td><td>The SCRAM credentials to update/insert.</td></tr>
<tr>
<td>name</td><td>The user name.</td></tr>
<tr>
<td>mechanism</td><td>The SCRAM mechanism.</td></tr>
<tr>
<td>iterations</td><td>The number of iterations.</td></tr>
<tr>
<td>salt</td><td>A random salt generated by the client.</td></tr>
<tr>
<td>salted_password</td><td>The salted password.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<b>Responses:</b><br>
<p><pre>AlterUserScramCredentials Response (Version: 0) => throttle_time_ms [results] TAG_BUFFER 
  throttle_time_ms => INT32
  results => user error_code error_message TAG_BUFFER 
    user => COMPACT_STRING
    error_code => INT16
    error_message => COMPACT_NULLABLE_STRING
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>results</td><td>The results for deletions and alterations, one per affected user.</td></tr>
<tr>
<td>user</td><td>The user name.</td></tr>
<tr>
<td>error_code</td><td>The error code.</td></tr>
<tr>
<td>error_message</td><td>The error message, if any.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<h5><a name="The_Messages_AlterIsr">AlterIsr API (Key: 56):</a></h5>

<b>Requests:</b><br>
<p><pre>AlterIsr Request (Version: 0) => broker_id broker_epoch [topics] TAG_BUFFER 
  broker_id => INT32
  broker_epoch => INT64
  topics => name [partitions] TAG_BUFFER 
    name => COMPACT_STRING
    partitions => partition_index leader_epoch [new_isr] current_isr_version TAG_BUFFER 
      partition_index => INT32
      leader_epoch => INT32
      new_isr => INT32
      current_isr_version => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>broker_id</td><td>The ID of the requesting broker</td></tr>
<tr>
<td>broker_epoch</td><td>The epoch of the requesting broker</td></tr>
<tr>
<td>topics</td><td></td></tr>
<tr>
<td>name</td><td>The name of the topic to alter ISRs for</td></tr>
<tr>
<td>partitions</td><td></td></tr>
<tr>
<td>partition_index</td><td>The partition index</td></tr>
<tr>
<td>leader_epoch</td><td>The leader epoch of this partition</td></tr>
<tr>
<td>new_isr</td><td>The ISR for this partition</td></tr>
<tr>
<td>current_isr_version</td><td>The expected version of ISR which is being updated</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<b>Responses:</b><br>
<p><pre>AlterIsr Response (Version: 0) => throttle_time_ms error_code [topics] TAG_BUFFER 
  throttle_time_ms => INT32
  error_code => INT16
  topics => name [partitions] TAG_BUFFER 
    name => COMPACT_STRING
    partitions => partition_index error_code leader_id leader_epoch [isr] current_isr_version TAG_BUFFER 
      partition_index => INT32
      error_code => INT16
      leader_id => INT32
      leader_epoch => INT32
      isr => INT32
      current_isr_version => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>error_code</td><td>The top level response error code</td></tr>
<tr>
<td>topics</td><td></td></tr>
<tr>
<td>name</td><td>The name of the topic</td></tr>
<tr>
<td>partitions</td><td></td></tr>
<tr>
<td>partition_index</td><td>The partition index</td></tr>
<tr>
<td>error_code</td><td>The partition level error code</td></tr>
<tr>
<td>leader_id</td><td>The broker ID of the leader.</td></tr>
<tr>
<td>leader_epoch</td><td>The leader epoch.</td></tr>
<tr>
<td>isr</td><td>The in-sync replica IDs.</td></tr>
<tr>
<td>current_isr_version</td><td>The current ISR version.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<h5><a name="The_Messages_UpdateFeatures">UpdateFeatures API (Key: 57):</a></h5>

<b>Requests:</b><br>
<p><pre>UpdateFeatures Request (Version: 0) => timeout_ms [feature_updates] TAG_BUFFER 
  timeout_ms => INT32
  feature_updates => feature max_version_level allow_downgrade TAG_BUFFER 
    feature => COMPACT_STRING
    max_version_level => INT16
    allow_downgrade => BOOLEAN
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>timeout_ms</td><td>How long to wait in milliseconds before timing out the request.</td></tr>
<tr>
<td>feature_updates</td><td>The list of updates to finalized features.</td></tr>
<tr>
<td>feature</td><td>The name of the finalized feature to be updated.</td></tr>
<tr>
<td>max_version_level</td><td>The new maximum version level for the finalized feature. A value >= 1 is valid. A value < 1, is special, and can be used to request the deletion of the finalized feature.</td></tr>
<tr>
<td>allow_downgrade</td><td>When set to true, the finalized feature version level is allowed to be downgraded/deleted. The downgrade request will fail if the new maximum version level is a value that's not lower than the existing maximum finalized version level.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<b>Responses:</b><br>
<p><pre>UpdateFeatures Response (Version: 0) => throttle_time_ms error_code error_message [results] TAG_BUFFER 
  throttle_time_ms => INT32
  error_code => INT16
  error_message => COMPACT_NULLABLE_STRING
  results => feature error_code error_message TAG_BUFFER 
    feature => COMPACT_STRING
    error_code => INT16
    error_message => COMPACT_NULLABLE_STRING
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>error_code</td><td>The top-level error code, or `0` if there was no top-level error.</td></tr>
<tr>
<td>error_message</td><td>The top-level error message, or `null` if there was no top-level error.</td></tr>
<tr>
<td>results</td><td>Results for each feature update.</td></tr>
<tr>
<td>feature</td><td>The name of the finalized feature.</td></tr>
<tr>
<td>error_code</td><td>The feature update error code or `0` if the feature update succeeded.</td></tr>
<tr>
<td>error_message</td><td>The feature update error, or `null` if the feature update succeeded.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<h5><a name="The_Messages_DescribeCluster">DescribeCluster API (Key: 60):</a></h5>

<b>Requests:</b><br>
<p><pre>DescribeCluster Request (Version: 0) => include_cluster_authorized_operations TAG_BUFFER 
  include_cluster_authorized_operations => BOOLEAN
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>include_cluster_authorized_operations</td><td>Whether to include cluster authorized operations.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<b>Responses:</b><br>
<p><pre>DescribeCluster Response (Version: 0) => throttle_time_ms error_code error_message cluster_id controller_id [brokers] cluster_authorized_operations TAG_BUFFER 
  throttle_time_ms => INT32
  error_code => INT16
  error_message => COMPACT_NULLABLE_STRING
  cluster_id => COMPACT_STRING
  controller_id => INT32
  brokers => broker_id host port rack TAG_BUFFER 
    broker_id => INT32
    host => COMPACT_STRING
    port => INT32
    rack => COMPACT_NULLABLE_STRING
  cluster_authorized_operations => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>error_code</td><td>The top-level error code, or 0 if there was no error</td></tr>
<tr>
<td>error_message</td><td>The top-level error message, or null if there was no error.</td></tr>
<tr>
<td>cluster_id</td><td>The cluster ID that responding broker belongs to.</td></tr>
<tr>
<td>controller_id</td><td>The ID of the controller broker.</td></tr>
<tr>
<td>brokers</td><td>Each broker in the response.</td></tr>
<tr>
<td>broker_id</td><td>The broker ID.</td></tr>
<tr>
<td>host</td><td>The broker hostname.</td></tr>
<tr>
<td>port</td><td>The broker port.</td></tr>
<tr>
<td>rack</td><td>The rack of the broker, or null if it has not been assigned to a rack.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>cluster_authorized_operations</td><td>32-bit bitfield to represent authorized operations for this cluster.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<h5><a name="The_Messages_DescribeProducers">DescribeProducers API (Key: 61):</a></h5>

<b>Requests:</b><br>
<p><pre>DescribeProducers Request (Version: 0) => [topics] TAG_BUFFER 
  topics => name [partition_indexes] TAG_BUFFER 
    name => COMPACT_STRING
    partition_indexes => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>topics</td><td></td></tr>
<tr>
<td>name</td><td>The topic name.</td></tr>
<tr>
<td>partition_indexes</td><td>The indexes of the partitions to list producers for.</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>
<b>Responses:</b><br>
<p><pre>DescribeProducers Response (Version: 0) => throttle_time_ms [topics] TAG_BUFFER 
  throttle_time_ms => INT32
  topics => name [partitions] TAG_BUFFER 
    name => COMPACT_STRING
    partitions => partition_index error_code error_message [active_producers] TAG_BUFFER 
      partition_index => INT32
      error_code => INT16
      error_message => COMPACT_NULLABLE_STRING
      active_producers => producer_id producer_epoch last_sequence last_timestamp coordinator_epoch current_txn_start_offset TAG_BUFFER 
        producer_id => INT64
        producer_epoch => INT32
        last_sequence => INT32
        last_timestamp => INT64
        coordinator_epoch => INT32
        current_txn_start_offset => INT64
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>throttle_time_ms</td><td>The duration in milliseconds for which the request was throttled due to a quota violation, or zero if the request did not violate any quota.</td></tr>
<tr>
<td>topics</td><td>Each topic in the response.</td></tr>
<tr>
<td>name</td><td>The topic name</td></tr>
<tr>
<td>partitions</td><td>Each partition in the response.</td></tr>
<tr>
<td>partition_index</td><td>The partition index.</td></tr>
<tr>
<td>error_code</td><td>The partition error code, or 0 if there was no error.</td></tr>
<tr>
<td>error_message</td><td>The partition error message, which may be null if no additional details are available</td></tr>
<tr>
<td>active_producers</td><td></td></tr>
<tr>
<td>producer_id</td><td></td></tr>
<tr>
<td>producer_epoch</td><td></td></tr>
<tr>
<td>last_sequence</td><td></td></tr>
<tr>
<td>last_timestamp</td><td></td></tr>
<tr>
<td>coordinator_epoch</td><td></td></tr>
<tr>
<td>current_txn_start_offset</td><td></td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
<tr>
<td>_tagged_fields</td><td>The tagged fields</td></tr>
</table>
</p>