blob: 7a93844d4b57f500a270b64f157e0491d8b1c900 [file] [log] [blame]
<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 [topic_data]
acks => INT16
timeout => INT32
topic_data => topic [data]
topic => STRING
data => partition record_set
partition => INT32
record_set => 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</td><td>The time to await a response in ms.</td></tr>
<tr>
<td>topic_data</td><td>null</td></tr>
<tr>
<td>topic</td><td>Name of topic</td></tr>
<tr>
<td>data</td><td>null</td></tr>
<tr>
<td>partition</td><td>Topic partition id</td></tr>
<tr>
<td>record_set</td><td>null</td></tr>
</table>
</p>
<p><pre>Produce Request (Version: 1) => acks timeout [topic_data]
acks => INT16
timeout => INT32
topic_data => topic [data]
topic => STRING
data => partition record_set
partition => INT32
record_set => 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</td><td>The time to await a response in ms.</td></tr>
<tr>
<td>topic_data</td><td>null</td></tr>
<tr>
<td>topic</td><td>Name of topic</td></tr>
<tr>
<td>data</td><td>null</td></tr>
<tr>
<td>partition</td><td>Topic partition id</td></tr>
<tr>
<td>record_set</td><td>null</td></tr>
</table>
</p>
<p><pre>Produce Request (Version: 2) => acks timeout [topic_data]
acks => INT16
timeout => INT32
topic_data => topic [data]
topic => STRING
data => partition record_set
partition => INT32
record_set => 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</td><td>The time to await a response in ms.</td></tr>
<tr>
<td>topic_data</td><td>null</td></tr>
<tr>
<td>topic</td><td>Name of topic</td></tr>
<tr>
<td>data</td><td>null</td></tr>
<tr>
<td>partition</td><td>Topic partition id</td></tr>
<tr>
<td>record_set</td><td>null</td></tr>
</table>
</p>
<p><pre>Produce Request (Version: 3) => transactional_id acks timeout [topic_data]
transactional_id => NULLABLE_STRING
acks => INT16
timeout => INT32
topic_data => topic [data]
topic => STRING
data => partition record_set
partition => INT32
record_set => 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</td><td>The time to await a response in ms.</td></tr>
<tr>
<td>topic_data</td><td>null</td></tr>
<tr>
<td>topic</td><td>Name of topic</td></tr>
<tr>
<td>data</td><td>null</td></tr>
<tr>
<td>partition</td><td>Topic partition id</td></tr>
<tr>
<td>record_set</td><td>null</td></tr>
</table>
</p>
<p><pre>Produce Request (Version: 4) => transactional_id acks timeout [topic_data]
transactional_id => NULLABLE_STRING
acks => INT16
timeout => INT32
topic_data => topic [data]
topic => STRING
data => partition record_set
partition => INT32
record_set => 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</td><td>The time to await a response in ms.</td></tr>
<tr>
<td>topic_data</td><td>null</td></tr>
<tr>
<td>topic</td><td>Name of topic</td></tr>
<tr>
<td>data</td><td>null</td></tr>
<tr>
<td>partition</td><td>Topic partition id</td></tr>
<tr>
<td>record_set</td><td>null</td></tr>
</table>
</p>
<p><pre>Produce Request (Version: 5) => transactional_id acks timeout [topic_data]
transactional_id => NULLABLE_STRING
acks => INT16
timeout => INT32
topic_data => topic [data]
topic => STRING
data => partition record_set
partition => INT32
record_set => 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</td><td>The time to await a response in ms.</td></tr>
<tr>
<td>topic_data</td><td>null</td></tr>
<tr>
<td>topic</td><td>Name of topic</td></tr>
<tr>
<td>data</td><td>null</td></tr>
<tr>
<td>partition</td><td>Topic partition id</td></tr>
<tr>
<td>record_set</td><td>null</td></tr>
</table>
</p>
<p><pre>Produce Request (Version: 6) => transactional_id acks timeout [topic_data]
transactional_id => NULLABLE_STRING
acks => INT16
timeout => INT32
topic_data => topic [data]
topic => STRING
data => partition record_set
partition => INT32
record_set => 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</td><td>The time to await a response in ms.</td></tr>
<tr>
<td>topic_data</td><td>null</td></tr>
<tr>
<td>topic</td><td>Name of topic</td></tr>
<tr>
<td>data</td><td>null</td></tr>
<tr>
<td>partition</td><td>Topic partition id</td></tr>
<tr>
<td>record_set</td><td>null</td></tr>
</table>
</p>
<p><pre>Produce Request (Version: 7) => transactional_id acks timeout [topic_data]
transactional_id => NULLABLE_STRING
acks => INT16
timeout => INT32
topic_data => topic [data]
topic => STRING
data => partition record_set
partition => INT32
record_set => 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</td><td>The time to await a response in ms.</td></tr>
<tr>
<td>topic_data</td><td>null</td></tr>
<tr>
<td>topic</td><td>Name of topic</td></tr>
<tr>
<td>data</td><td>null</td></tr>
<tr>
<td>partition</td><td>Topic partition id</td></tr>
<tr>
<td>record_set</td><td>null</td></tr>
</table>
</p>
<p><pre>Produce Request (Version: 8) => transactional_id acks timeout [topic_data]
transactional_id => NULLABLE_STRING
acks => INT16
timeout => INT32
topic_data => topic [data]
topic => STRING
data => partition record_set
partition => INT32
record_set => 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</td><td>The time to await a response in ms.</td></tr>
<tr>
<td>topic_data</td><td>null</td></tr>
<tr>
<td>topic</td><td>Name of topic</td></tr>
<tr>
<td>data</td><td>null</td></tr>
<tr>
<td>partition</td><td>Topic partition id</td></tr>
<tr>
<td>record_set</td><td>null</td></tr>
</table>
</p>
<b>Responses:</b><br>
<p><pre>Produce Response (Version: 0) => [responses]
responses => topic [partition_responses]
topic => STRING
partition_responses => partition error_code base_offset
partition => 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>null</td></tr>
<tr>
<td>topic</td><td>Name of topic</td></tr>
<tr>
<td>partition_responses</td><td>null</td></tr>
<tr>
<td>partition</td><td>Topic partition id</td></tr>
<tr>
<td>error_code</td><td>Response error code</td></tr>
<tr>
<td>base_offset</td><td>null</td></tr>
</table>
</p>
<p><pre>Produce Response (Version: 1) => [responses] throttle_time_ms
responses => topic [partition_responses]
topic => STRING
partition_responses => partition error_code base_offset
partition => 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>null</td></tr>
<tr>
<td>topic</td><td>Name of topic</td></tr>
<tr>
<td>partition_responses</td><td>null</td></tr>
<tr>
<td>partition</td><td>Topic partition id</td></tr>
<tr>
<td>error_code</td><td>Response error code</td></tr>
<tr>
<td>base_offset</td><td>null</td></tr>
<tr>
<td>throttle_time_ms</td><td>Duration in milliseconds for which the request was throttled due to quota violation (Zero if the request did not violate any quota)</td></tr>
</table>
</p>
<p><pre>Produce Response (Version: 2) => [responses] throttle_time_ms
responses => topic [partition_responses]
topic => STRING
partition_responses => partition error_code base_offset log_append_time
partition => INT32
error_code => INT16
base_offset => INT64
log_append_time => INT64
throttle_time_ms => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>responses</td><td>null</td></tr>
<tr>
<td>topic</td><td>Name of topic</td></tr>
<tr>
<td>partition_responses</td><td>null</td></tr>
<tr>
<td>partition</td><td>Topic partition id</td></tr>
<tr>
<td>error_code</td><td>Response error code</td></tr>
<tr>
<td>base_offset</td><td>null</td></tr>
<tr>
<td>log_append_time</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>Duration in milliseconds for which the request was throttled due to quota violation (Zero if the request did not violate any quota)</td></tr>
</table>
</p>
<p><pre>Produce Response (Version: 3) => [responses] throttle_time_ms
responses => topic [partition_responses]
topic => STRING
partition_responses => partition error_code base_offset log_append_time
partition => INT32
error_code => INT16
base_offset => INT64
log_append_time => INT64
throttle_time_ms => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>responses</td><td>null</td></tr>
<tr>
<td>topic</td><td>Name of topic</td></tr>
<tr>
<td>partition_responses</td><td>null</td></tr>
<tr>
<td>partition</td><td>Topic partition id</td></tr>
<tr>
<td>error_code</td><td>Response error code</td></tr>
<tr>
<td>base_offset</td><td>null</td></tr>
<tr>
<td>log_append_time</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>Duration in milliseconds for which the request was throttled due to quota violation (Zero if the request did not violate any quota)</td></tr>
</table>
</p>
<p><pre>Produce Response (Version: 4) => [responses] throttle_time_ms
responses => topic [partition_responses]
topic => STRING
partition_responses => partition error_code base_offset log_append_time
partition => INT32
error_code => INT16
base_offset => INT64
log_append_time => INT64
throttle_time_ms => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>responses</td><td>null</td></tr>
<tr>
<td>topic</td><td>Name of topic</td></tr>
<tr>
<td>partition_responses</td><td>null</td></tr>
<tr>
<td>partition</td><td>Topic partition id</td></tr>
<tr>
<td>error_code</td><td>Response error code</td></tr>
<tr>
<td>base_offset</td><td>null</td></tr>
<tr>
<td>log_append_time</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>Duration in milliseconds for which the request was throttled due to quota violation (Zero if the request did not violate any quota)</td></tr>
</table>
</p>
<p><pre>Produce Response (Version: 5) => [responses] throttle_time_ms
responses => topic [partition_responses]
topic => STRING
partition_responses => partition error_code base_offset log_append_time log_start_offset
partition => INT32
error_code => INT16
base_offset => INT64
log_append_time => 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>null</td></tr>
<tr>
<td>topic</td><td>Name of topic</td></tr>
<tr>
<td>partition_responses</td><td>null</td></tr>
<tr>
<td>partition</td><td>Topic partition id</td></tr>
<tr>
<td>error_code</td><td>Response error code</td></tr>
<tr>
<td>base_offset</td><td>null</td></tr>
<tr>
<td>log_append_time</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 start offset of the log at the time this produce response was created</td></tr>
<tr>
<td>throttle_time_ms</td><td>Duration in milliseconds for which the request was throttled due to quota violation (Zero if the request did not violate any quota)</td></tr>
</table>
</p>
<p><pre>Produce Response (Version: 6) => [responses] throttle_time_ms
responses => topic [partition_responses]
topic => STRING
partition_responses => partition error_code base_offset log_append_time log_start_offset
partition => INT32
error_code => INT16
base_offset => INT64
log_append_time => 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>null</td></tr>
<tr>
<td>topic</td><td>Name of topic</td></tr>
<tr>
<td>partition_responses</td><td>null</td></tr>
<tr>
<td>partition</td><td>Topic partition id</td></tr>
<tr>
<td>error_code</td><td>Response error code</td></tr>
<tr>
<td>base_offset</td><td>null</td></tr>
<tr>
<td>log_append_time</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 start offset of the log at the time this produce response was created</td></tr>
<tr>
<td>throttle_time_ms</td><td>Duration in milliseconds for which the request was throttled due to quota violation (Zero if the request did not violate any quota)</td></tr>
</table>
</p>
<p><pre>Produce Response (Version: 7) => [responses] throttle_time_ms
responses => topic [partition_responses]
topic => STRING
partition_responses => partition error_code base_offset log_append_time log_start_offset
partition => INT32
error_code => INT16
base_offset => INT64
log_append_time => 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>null</td></tr>
<tr>
<td>topic</td><td>Name of topic</td></tr>
<tr>
<td>partition_responses</td><td>null</td></tr>
<tr>
<td>partition</td><td>Topic partition id</td></tr>
<tr>
<td>error_code</td><td>Response error code</td></tr>
<tr>
<td>base_offset</td><td>null</td></tr>
<tr>
<td>log_append_time</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 start offset of the log at the time this produce response was created</td></tr>
<tr>
<td>throttle_time_ms</td><td>Duration in milliseconds for which the request was throttled due to quota violation (Zero if the request did not violate any quota)</td></tr>
</table>
</p>
<p><pre>Produce Response (Version: 8) => [responses] throttle_time_ms
responses => topic [partition_responses]
topic => STRING
partition_responses => partition error_code base_offset log_append_time log_start_offset [record_errors] error_message
partition => INT32
error_code => INT16
base_offset => INT64
log_append_time => 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>null</td></tr>
<tr>
<td>topic</td><td>Name of topic</td></tr>
<tr>
<td>partition_responses</td><td>null</td></tr>
<tr>
<td>partition</td><td>Topic partition id</td></tr>
<tr>
<td>error_code</td><td>Response error code</td></tr>
<tr>
<td>base_offset</td><td>null</td></tr>
<tr>
<td>log_append_time</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 start offset of the log at the time this produce response was created</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 caused 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>Duration in milliseconds for which the request was throttled due to quota violation (Zero if the request did not violate any quota)</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_time min_bytes [topics]
replica_id => INT32
max_wait_time => 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>Broker id of the follower. For normal consumers, use -1.</td></tr>
<tr>
<td>max_wait_time</td><td>Maximum time in ms to wait for the response.</td></tr>
<tr>
<td>min_bytes</td><td>Minimum bytes to accumulate in the response.</td></tr>
<tr>
<td>topics</td><td>Topics to fetch in the order provided.</td></tr>
<tr>
<td>topic</td><td>Name of topic</td></tr>
<tr>
<td>partitions</td><td>Partitions to fetch.</td></tr>
<tr>
<td>partition</td><td>Topic partition id</td></tr>
<tr>
<td>fetch_offset</td><td>Message offset.</td></tr>
<tr>
<td>partition_max_bytes</td><td>Maximum bytes to fetch.</td></tr>
</table>
</p>
<p><pre>Fetch Request (Version: 1) => replica_id max_wait_time min_bytes [topics]
replica_id => INT32
max_wait_time => 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>Broker id of the follower. For normal consumers, use -1.</td></tr>
<tr>
<td>max_wait_time</td><td>Maximum time in ms to wait for the response.</td></tr>
<tr>
<td>min_bytes</td><td>Minimum bytes to accumulate in the response.</td></tr>
<tr>
<td>topics</td><td>Topics to fetch in the order provided.</td></tr>
<tr>
<td>topic</td><td>Name of topic</td></tr>
<tr>
<td>partitions</td><td>Partitions to fetch.</td></tr>
<tr>
<td>partition</td><td>Topic partition id</td></tr>
<tr>
<td>fetch_offset</td><td>Message offset.</td></tr>
<tr>
<td>partition_max_bytes</td><td>Maximum bytes to fetch.</td></tr>
</table>
</p>
<p><pre>Fetch Request (Version: 2) => replica_id max_wait_time min_bytes [topics]
replica_id => INT32
max_wait_time => 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>Broker id of the follower. For normal consumers, use -1.</td></tr>
<tr>
<td>max_wait_time</td><td>Maximum time in ms to wait for the response.</td></tr>
<tr>
<td>min_bytes</td><td>Minimum bytes to accumulate in the response.</td></tr>
<tr>
<td>topics</td><td>Topics to fetch in the order provided.</td></tr>
<tr>
<td>topic</td><td>Name of topic</td></tr>
<tr>
<td>partitions</td><td>Partitions to fetch.</td></tr>
<tr>
<td>partition</td><td>Topic partition id</td></tr>
<tr>
<td>fetch_offset</td><td>Message offset.</td></tr>
<tr>
<td>partition_max_bytes</td><td>Maximum bytes to fetch.</td></tr>
</table>
</p>
<p><pre>Fetch Request (Version: 3) => replica_id max_wait_time min_bytes max_bytes [topics]
replica_id => INT32
max_wait_time => 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>Broker id of the follower. For normal consumers, use -1.</td></tr>
<tr>
<td>max_wait_time</td><td>Maximum time in ms to wait for the response.</td></tr>
<tr>
<td>min_bytes</td><td>Minimum bytes to accumulate in the response.</td></tr>
<tr>
<td>max_bytes</td><td>Maximum bytes to accumulate in the response. Note that this is not an absolute maximum, if the first message in the first non-empty partition of the fetch is larger than this value, the message will still be returned to ensure that progress can be made.</td></tr>
<tr>
<td>topics</td><td>Topics to fetch in the order provided.</td></tr>
<tr>
<td>topic</td><td>Name of topic</td></tr>
<tr>
<td>partitions</td><td>Partitions to fetch.</td></tr>
<tr>
<td>partition</td><td>Topic partition id</td></tr>
<tr>
<td>fetch_offset</td><td>Message offset.</td></tr>
<tr>
<td>partition_max_bytes</td><td>Maximum bytes to fetch.</td></tr>
</table>
</p>
<p><pre>Fetch Request (Version: 4) => replica_id max_wait_time min_bytes max_bytes isolation_level [topics]
replica_id => INT32
max_wait_time => 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>Broker id of the follower. For normal consumers, use -1.</td></tr>
<tr>
<td>max_wait_time</td><td>Maximum time in ms to wait for the response.</td></tr>
<tr>
<td>min_bytes</td><td>Minimum bytes to accumulate in the response.</td></tr>
<tr>
<td>max_bytes</td><td>Maximum bytes to accumulate in the response. Note that this is not an absolute maximum, if the first message in the first non-empty partition of the fetch is larger than this value, the message will still be returned to ensure that progress can be made.</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>Topics to fetch in the order provided.</td></tr>
<tr>
<td>topic</td><td>Name of topic</td></tr>
<tr>
<td>partitions</td><td>Partitions to fetch.</td></tr>
<tr>
<td>partition</td><td>Topic partition id</td></tr>
<tr>
<td>fetch_offset</td><td>Message offset.</td></tr>
<tr>
<td>partition_max_bytes</td><td>Maximum bytes to fetch.</td></tr>
</table>
</p>
<p><pre>Fetch Request (Version: 5) => replica_id max_wait_time min_bytes max_bytes isolation_level [topics]
replica_id => INT32
max_wait_time => 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>Broker id of the follower. For normal consumers, use -1.</td></tr>
<tr>
<td>max_wait_time</td><td>Maximum time in ms to wait for the response.</td></tr>
<tr>
<td>min_bytes</td><td>Minimum bytes to accumulate in the response.</td></tr>
<tr>
<td>max_bytes</td><td>Maximum bytes to accumulate in the response. Note that this is not an absolute maximum, if the first message in the first non-empty partition of the fetch is larger than this value, the message will still be returned to ensure that progress can be made.</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>Topics to fetch in the order provided.</td></tr>
<tr>
<td>topic</td><td>Name of topic</td></tr>
<tr>
<td>partitions</td><td>Partitions to fetch.</td></tr>
<tr>
<td>partition</td><td>Topic partition id</td></tr>
<tr>
<td>fetch_offset</td><td>Message offset.</td></tr>
<tr>
<td>log_start_offset</td><td>Earliest available offset of the follower replica. The field is only used when request is sent by follower. </td></tr>
<tr>
<td>partition_max_bytes</td><td>Maximum bytes to fetch.</td></tr>
</table>
</p>
<p><pre>Fetch Request (Version: 6) => replica_id max_wait_time min_bytes max_bytes isolation_level [topics]
replica_id => INT32
max_wait_time => 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>Broker id of the follower. For normal consumers, use -1.</td></tr>
<tr>
<td>max_wait_time</td><td>Maximum time in ms to wait for the response.</td></tr>
<tr>
<td>min_bytes</td><td>Minimum bytes to accumulate in the response.</td></tr>
<tr>
<td>max_bytes</td><td>Maximum bytes to accumulate in the response. Note that this is not an absolute maximum, if the first message in the first non-empty partition of the fetch is larger than this value, the message will still be returned to ensure that progress can be made.</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>Topics to fetch in the order provided.</td></tr>
<tr>
<td>topic</td><td>Name of topic</td></tr>
<tr>
<td>partitions</td><td>Partitions to fetch.</td></tr>
<tr>
<td>partition</td><td>Topic partition id</td></tr>
<tr>
<td>fetch_offset</td><td>Message offset.</td></tr>
<tr>
<td>log_start_offset</td><td>Earliest available offset of the follower replica. The field is only used when request is sent by follower. </td></tr>
<tr>
<td>partition_max_bytes</td><td>Maximum bytes to fetch.</td></tr>
</table>
</p>
<p><pre>Fetch Request (Version: 7) => replica_id max_wait_time min_bytes max_bytes isolation_level session_id session_epoch [topics] [forgotten_topics_data]
replica_id => INT32
max_wait_time => 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>Broker id of the follower. For normal consumers, use -1.</td></tr>
<tr>
<td>max_wait_time</td><td>Maximum time in ms to wait for the response.</td></tr>
<tr>
<td>min_bytes</td><td>Minimum bytes to accumulate in the response.</td></tr>
<tr>
<td>max_bytes</td><td>Maximum bytes to accumulate in the response. Note that this is not an absolute maximum, if the first message in the first non-empty partition of the fetch is larger than this value, the message will still be returned to ensure that progress can be made.</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</td></tr>
<tr>
<td>topics</td><td>Topics to fetch in the order provided.</td></tr>
<tr>
<td>topic</td><td>Name of topic</td></tr>
<tr>
<td>partitions</td><td>Partitions to fetch.</td></tr>
<tr>
<td>partition</td><td>Topic partition id</td></tr>
<tr>
<td>fetch_offset</td><td>Message offset.</td></tr>
<tr>
<td>log_start_offset</td><td>Earliest available offset of the follower replica. The field is only used when request is sent by follower. </td></tr>
<tr>
<td>partition_max_bytes</td><td>Maximum bytes to fetch.</td></tr>
<tr>
<td>forgotten_topics_data</td><td>Topics to remove from the fetch session.</td></tr>
<tr>
<td>topic</td><td>Name of topic</td></tr>
<tr>
<td>partitions</td><td>Partitions to remove from the fetch session.</td></tr>
</table>
</p>
<p><pre>Fetch Request (Version: 8) => replica_id max_wait_time min_bytes max_bytes isolation_level session_id session_epoch [topics] [forgotten_topics_data]
replica_id => INT32
max_wait_time => 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>Broker id of the follower. For normal consumers, use -1.</td></tr>
<tr>
<td>max_wait_time</td><td>Maximum time in ms to wait for the response.</td></tr>
<tr>
<td>min_bytes</td><td>Minimum bytes to accumulate in the response.</td></tr>
<tr>
<td>max_bytes</td><td>Maximum bytes to accumulate in the response. Note that this is not an absolute maximum, if the first message in the first non-empty partition of the fetch is larger than this value, the message will still be returned to ensure that progress can be made.</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</td></tr>
<tr>
<td>topics</td><td>Topics to fetch in the order provided.</td></tr>
<tr>
<td>topic</td><td>Name of topic</td></tr>
<tr>
<td>partitions</td><td>Partitions to fetch.</td></tr>
<tr>
<td>partition</td><td>Topic partition id</td></tr>
<tr>
<td>fetch_offset</td><td>Message offset.</td></tr>
<tr>
<td>log_start_offset</td><td>Earliest available offset of the follower replica. The field is only used when request is sent by follower. </td></tr>
<tr>
<td>partition_max_bytes</td><td>Maximum bytes to fetch.</td></tr>
<tr>
<td>forgotten_topics_data</td><td>Topics to remove from the fetch session.</td></tr>
<tr>
<td>topic</td><td>Name of topic</td></tr>
<tr>
<td>partitions</td><td>Partitions to remove from the fetch session.</td></tr>
</table>
</p>
<p><pre>Fetch Request (Version: 9) => replica_id max_wait_time min_bytes max_bytes isolation_level session_id session_epoch [topics] [forgotten_topics_data]
replica_id => INT32
max_wait_time => 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>Broker id of the follower. For normal consumers, use -1.</td></tr>
<tr>
<td>max_wait_time</td><td>Maximum time in ms to wait for the response.</td></tr>
<tr>
<td>min_bytes</td><td>Minimum bytes to accumulate in the response.</td></tr>
<tr>
<td>max_bytes</td><td>Maximum bytes to accumulate in the response. Note that this is not an absolute maximum, if the first message in the first non-empty partition of the fetch is larger than this value, the message will still be returned to ensure that progress can be made.</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</td></tr>
<tr>
<td>topics</td><td>Topics to fetch in the order provided.</td></tr>
<tr>
<td>topic</td><td>Name of topic</td></tr>
<tr>
<td>partitions</td><td>Partitions to fetch.</td></tr>
<tr>
<td>partition</td><td>Topic partition id</td></tr>
<tr>
<td>current_leader_epoch</td><td>The current leader epoch, if provided, is 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>fetch_offset</td><td>Message offset.</td></tr>
<tr>
<td>log_start_offset</td><td>Earliest available offset of the follower replica. The field is only used when request is sent by follower. </td></tr>
<tr>
<td>partition_max_bytes</td><td>Maximum bytes to fetch.</td></tr>
<tr>
<td>forgotten_topics_data</td><td>Topics to remove from the fetch session.</td></tr>
<tr>
<td>topic</td><td>Name of topic</td></tr>
<tr>
<td>partitions</td><td>Partitions to remove from the fetch session.</td></tr>
</table>
</p>
<p><pre>Fetch Request (Version: 10) => replica_id max_wait_time min_bytes max_bytes isolation_level session_id session_epoch [topics] [forgotten_topics_data]
replica_id => INT32
max_wait_time => 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>Broker id of the follower. For normal consumers, use -1.</td></tr>
<tr>
<td>max_wait_time</td><td>Maximum time in ms to wait for the response.</td></tr>
<tr>
<td>min_bytes</td><td>Minimum bytes to accumulate in the response.</td></tr>
<tr>
<td>max_bytes</td><td>Maximum bytes to accumulate in the response. Note that this is not an absolute maximum, if the first message in the first non-empty partition of the fetch is larger than this value, the message will still be returned to ensure that progress can be made.</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</td></tr>
<tr>
<td>topics</td><td>Topics to fetch in the order provided.</td></tr>
<tr>
<td>topic</td><td>Name of topic</td></tr>
<tr>
<td>partitions</td><td>Partitions to fetch.</td></tr>
<tr>
<td>partition</td><td>Topic partition id</td></tr>
<tr>
<td>current_leader_epoch</td><td>The current leader epoch, if provided, is 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>fetch_offset</td><td>Message offset.</td></tr>
<tr>
<td>log_start_offset</td><td>Earliest available offset of the follower replica. The field is only used when request is sent by follower. </td></tr>
<tr>
<td>partition_max_bytes</td><td>Maximum bytes to fetch.</td></tr>
<tr>
<td>forgotten_topics_data</td><td>Topics to remove from the fetch session.</td></tr>
<tr>
<td>topic</td><td>Name of topic</td></tr>
<tr>
<td>partitions</td><td>Partitions to remove from the fetch session.</td></tr>
</table>
</p>
<p><pre>Fetch Request (Version: 11) => replica_id max_wait_time min_bytes max_bytes isolation_level session_id session_epoch [topics] [forgotten_topics_data] rack_id
replica_id => INT32
max_wait_time => 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>Broker id of the follower. For normal consumers, use -1.</td></tr>
<tr>
<td>max_wait_time</td><td>Maximum time in ms to wait for the response.</td></tr>
<tr>
<td>min_bytes</td><td>Minimum bytes to accumulate in the response.</td></tr>
<tr>
<td>max_bytes</td><td>Maximum bytes to accumulate in the response. Note that this is not an absolute maximum, if the first message in the first non-empty partition of the fetch is larger than this value, the message will still be returned to ensure that progress can be made.</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</td></tr>
<tr>
<td>topics</td><td>Topics to fetch in the order provided.</td></tr>
<tr>
<td>topic</td><td>Name of topic</td></tr>
<tr>
<td>partitions</td><td>Partitions to fetch.</td></tr>
<tr>
<td>partition</td><td>Topic partition id</td></tr>
<tr>
<td>current_leader_epoch</td><td>The current leader epoch, if provided, is 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>fetch_offset</td><td>Message offset.</td></tr>
<tr>
<td>log_start_offset</td><td>Earliest available offset of the follower replica. The field is only used when request is sent by follower. </td></tr>
<tr>
<td>partition_max_bytes</td><td>Maximum bytes to fetch.</td></tr>
<tr>
<td>forgotten_topics_data</td><td>Topics to remove from the fetch session.</td></tr>
<tr>
<td>topic</td><td>Name of topic</td></tr>
<tr>
<td>partitions</td><td>Partitions to remove from the fetch session.</td></tr>
<tr>
<td>rack_id</td><td>The consumer's rack id</td></tr>
</table>
</p>
<b>Responses:</b><br>
<p><pre>Fetch Response (Version: 0) => [responses]
responses => topic [partition_responses]
topic => STRING
partition_responses => partition_header record_set
partition_header => partition error_code high_watermark
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>null</td></tr>
<tr>
<td>topic</td><td>Name of topic</td></tr>
<tr>
<td>partition_responses</td><td>null</td></tr>
<tr>
<td>partition_header</td><td>null</td></tr>
<tr>
<td>partition</td><td>Topic partition id</td></tr>
<tr>
<td>error_code</td><td>Response error code</td></tr>
<tr>
<td>high_watermark</td><td>Last committed offset.</td></tr>
<tr>
<td>record_set</td><td>null</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_header record_set
partition_header => partition error_code high_watermark
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>Duration in milliseconds for which the request was throttled due to quota violation (Zero if the request did not violate any quota)</td></tr>
<tr>
<td>responses</td><td>null</td></tr>
<tr>
<td>topic</td><td>Name of topic</td></tr>
<tr>
<td>partition_responses</td><td>null</td></tr>
<tr>
<td>partition_header</td><td>null</td></tr>
<tr>
<td>partition</td><td>Topic partition id</td></tr>
<tr>
<td>error_code</td><td>Response error code</td></tr>
<tr>
<td>high_watermark</td><td>Last committed offset.</td></tr>
<tr>
<td>record_set</td><td>null</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_header record_set
partition_header => partition error_code high_watermark
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>Duration in milliseconds for which the request was throttled due to quota violation (Zero if the request did not violate any quota)</td></tr>
<tr>
<td>responses</td><td>null</td></tr>
<tr>
<td>topic</td><td>Name of topic</td></tr>
<tr>
<td>partition_responses</td><td>null</td></tr>
<tr>
<td>partition_header</td><td>null</td></tr>
<tr>
<td>partition</td><td>Topic partition id</td></tr>
<tr>
<td>error_code</td><td>Response error code</td></tr>
<tr>
<td>high_watermark</td><td>Last committed offset.</td></tr>
<tr>
<td>record_set</td><td>null</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_header record_set
partition_header => partition error_code high_watermark
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>Duration in milliseconds for which the request was throttled due to quota violation (Zero if the request did not violate any quota)</td></tr>
<tr>
<td>responses</td><td>null</td></tr>
<tr>
<td>topic</td><td>Name of topic</td></tr>
<tr>
<td>partition_responses</td><td>null</td></tr>
<tr>
<td>partition_header</td><td>null</td></tr>
<tr>
<td>partition</td><td>Topic partition id</td></tr>
<tr>
<td>error_code</td><td>Response error code</td></tr>
<tr>
<td>high_watermark</td><td>Last committed offset.</td></tr>
<tr>
<td>record_set</td><td>null</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_header record_set
partition_header => partition error_code high_watermark last_stable_offset [aborted_transactions]
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>Duration in milliseconds for which the request was throttled due to quota violation (Zero if the request did not violate any quota)</td></tr>
<tr>
<td>responses</td><td>null</td></tr>
<tr>
<td>topic</td><td>Name of topic</td></tr>
<tr>
<td>partition_responses</td><td>null</td></tr>
<tr>
<td>partition_header</td><td>null</td></tr>
<tr>
<td>partition</td><td>Topic partition id</td></tr>
<tr>
<td>error_code</td><td>Response error code</td></tr>
<tr>
<td>high_watermark</td><td>Last committed offset.</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>null</td></tr>
<tr>
<td>producer_id</td><td>The producer id associated with the aborted transactions</td></tr>
<tr>
<td>first_offset</td><td>The first offset in the aborted transaction</td></tr>
<tr>
<td>record_set</td><td>null</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_header record_set
partition_header => partition error_code high_watermark last_stable_offset log_start_offset [aborted_transactions]
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>Duration in milliseconds for which the request was throttled due to quota violation (Zero if the request did not violate any quota)</td></tr>
<tr>
<td>responses</td><td>null</td></tr>
<tr>
<td>topic</td><td>Name of topic</td></tr>
<tr>
<td>partition_responses</td><td>null</td></tr>
<tr>
<td>partition_header</td><td>null</td></tr>
<tr>
<td>partition</td><td>Topic partition id</td></tr>
<tr>
<td>error_code</td><td>Response error code</td></tr>
<tr>
<td>high_watermark</td><td>Last committed offset.</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>Earliest available offset.</td></tr>
<tr>
<td>aborted_transactions</td><td>null</td></tr>
<tr>
<td>producer_id</td><td>The producer id associated with the aborted transactions</td></tr>
<tr>
<td>first_offset</td><td>The first offset in the aborted transaction</td></tr>
<tr>
<td>record_set</td><td>null</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_header record_set
partition_header => partition error_code high_watermark last_stable_offset log_start_offset [aborted_transactions]
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>Duration in milliseconds for which the request was throttled due to quota violation (Zero if the request did not violate any quota)</td></tr>
<tr>
<td>responses</td><td>null</td></tr>
<tr>
<td>topic</td><td>Name of topic</td></tr>
<tr>
<td>partition_responses</td><td>null</td></tr>
<tr>
<td>partition_header</td><td>null</td></tr>
<tr>
<td>partition</td><td>Topic partition id</td></tr>
<tr>
<td>error_code</td><td>Response error code</td></tr>
<tr>
<td>high_watermark</td><td>Last committed offset.</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>Earliest available offset.</td></tr>
<tr>
<td>aborted_transactions</td><td>null</td></tr>
<tr>
<td>producer_id</td><td>The producer id associated with the aborted transactions</td></tr>
<tr>
<td>first_offset</td><td>The first offset in the aborted transaction</td></tr>
<tr>
<td>record_set</td><td>null</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_header record_set
partition_header => partition error_code high_watermark last_stable_offset log_start_offset [aborted_transactions]
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>Duration in milliseconds for which the request was throttled due to quota violation (Zero if the request did not violate any quota)</td></tr>
<tr>
<td>error_code</td><td>Response error code</td></tr>
<tr>
<td>session_id</td><td>The fetch session ID</td></tr>
<tr>
<td>responses</td><td>null</td></tr>
<tr>
<td>topic</td><td>Name of topic</td></tr>
<tr>
<td>partition_responses</td><td>null</td></tr>
<tr>
<td>partition_header</td><td>null</td></tr>
<tr>
<td>partition</td><td>Topic partition id</td></tr>
<tr>
<td>error_code</td><td>Response error code</td></tr>
<tr>
<td>high_watermark</td><td>Last committed offset.</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>Earliest available offset.</td></tr>
<tr>
<td>aborted_transactions</td><td>null</td></tr>
<tr>
<td>producer_id</td><td>The producer id associated with the aborted transactions</td></tr>
<tr>
<td>first_offset</td><td>The first offset in the aborted transaction</td></tr>
<tr>
<td>record_set</td><td>null</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_header record_set
partition_header => partition error_code high_watermark last_stable_offset log_start_offset [aborted_transactions]
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>Duration in milliseconds for which the request was throttled due to quota violation (Zero if the request did not violate any quota)</td></tr>
<tr>
<td>error_code</td><td>Response error code</td></tr>
<tr>
<td>session_id</td><td>The fetch session ID</td></tr>
<tr>
<td>responses</td><td>null</td></tr>
<tr>
<td>topic</td><td>Name of topic</td></tr>
<tr>
<td>partition_responses</td><td>null</td></tr>
<tr>
<td>partition_header</td><td>null</td></tr>
<tr>
<td>partition</td><td>Topic partition id</td></tr>
<tr>
<td>error_code</td><td>Response error code</td></tr>
<tr>
<td>high_watermark</td><td>Last committed offset.</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>Earliest available offset.</td></tr>
<tr>
<td>aborted_transactions</td><td>null</td></tr>
<tr>
<td>producer_id</td><td>The producer id associated with the aborted transactions</td></tr>
<tr>
<td>first_offset</td><td>The first offset in the aborted transaction</td></tr>
<tr>
<td>record_set</td><td>null</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_header record_set
partition_header => partition error_code high_watermark last_stable_offset log_start_offset [aborted_transactions]
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>Duration in milliseconds for which the request was throttled due to quota violation (Zero if the request did not violate any quota)</td></tr>
<tr>
<td>error_code</td><td>Response error code</td></tr>
<tr>
<td>session_id</td><td>The fetch session ID</td></tr>
<tr>
<td>responses</td><td>null</td></tr>
<tr>
<td>topic</td><td>Name of topic</td></tr>
<tr>
<td>partition_responses</td><td>null</td></tr>
<tr>
<td>partition_header</td><td>null</td></tr>
<tr>
<td>partition</td><td>Topic partition id</td></tr>
<tr>
<td>error_code</td><td>Response error code</td></tr>
<tr>
<td>high_watermark</td><td>Last committed offset.</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>Earliest available offset.</td></tr>
<tr>
<td>aborted_transactions</td><td>null</td></tr>
<tr>
<td>producer_id</td><td>The producer id associated with the aborted transactions</td></tr>
<tr>
<td>first_offset</td><td>The first offset in the aborted transaction</td></tr>
<tr>
<td>record_set</td><td>null</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_header record_set
partition_header => partition error_code high_watermark last_stable_offset log_start_offset [aborted_transactions]
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>Duration in milliseconds for which the request was throttled due to quota violation (Zero if the request did not violate any quota)</td></tr>
<tr>
<td>error_code</td><td>Response error code</td></tr>
<tr>
<td>session_id</td><td>The fetch session ID</td></tr>
<tr>
<td>responses</td><td>null</td></tr>
<tr>
<td>topic</td><td>Name of topic</td></tr>
<tr>
<td>partition_responses</td><td>null</td></tr>
<tr>
<td>partition_header</td><td>null</td></tr>
<tr>
<td>partition</td><td>Topic partition id</td></tr>
<tr>
<td>error_code</td><td>Response error code</td></tr>
<tr>
<td>high_watermark</td><td>Last committed offset.</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>Earliest available offset.</td></tr>
<tr>
<td>aborted_transactions</td><td>null</td></tr>
<tr>
<td>producer_id</td><td>The producer id associated with the aborted transactions</td></tr>
<tr>
<td>first_offset</td><td>The first offset in the aborted transaction</td></tr>
<tr>
<td>record_set</td><td>null</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_header record_set
partition_header => partition error_code high_watermark last_stable_offset log_start_offset [aborted_transactions] preferred_read_replica
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>Duration in milliseconds for which the request was throttled due to quota violation (Zero if the request did not violate any quota)</td></tr>
<tr>
<td>error_code</td><td>Response error code</td></tr>
<tr>
<td>session_id</td><td>The fetch session ID</td></tr>
<tr>
<td>responses</td><td>null</td></tr>
<tr>
<td>topic</td><td>Name of topic</td></tr>
<tr>
<td>partition_responses</td><td>null</td></tr>
<tr>
<td>partition_header</td><td>null</td></tr>
<tr>
<td>partition</td><td>Topic partition id</td></tr>
<tr>
<td>error_code</td><td>Response error code</td></tr>
<tr>
<td>high_watermark</td><td>Last committed offset.</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>Earliest available offset.</td></tr>
<tr>
<td>aborted_transactions</td><td>null</td></tr>
<tr>
<td>producer_id</td><td>The producer id associated with the aborted transactions</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 ID of the replica that the consumer should prefer.</td></tr>
<tr>
<td>record_set</td><td>null</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 => topic [partitions]
topic => STRING
partitions => partition timestamp max_num_offsets
partition => 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>Broker id of the follower. For normal consumers, use -1.</td></tr>
<tr>
<td>topics</td><td>Topics to list offsets.</td></tr>
<tr>
<td>topic</td><td>Name of topic</td></tr>
<tr>
<td>partitions</td><td>Partitions to list offsets.</td></tr>
<tr>
<td>partition</td><td>Topic partition id</td></tr>
<tr>
<td>timestamp</td><td>The target timestamp for the partition.</td></tr>
<tr>
<td>max_num_offsets</td><td>Maximum offsets to return.</td></tr>
</table>
</p>
<p><pre>ListOffsets Request (Version: 1) => replica_id [topics]
replica_id => INT32
topics => topic [partitions]
topic => STRING
partitions => partition timestamp
partition => INT32
timestamp => INT64
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>replica_id</td><td>Broker id of the follower. For normal consumers, use -1.</td></tr>
<tr>
<td>topics</td><td>Topics to list offsets.</td></tr>
<tr>
<td>topic</td><td>Name of topic</td></tr>
<tr>
<td>partitions</td><td>Partitions to list offsets.</td></tr>
<tr>
<td>partition</td><td>Topic partition id</td></tr>
<tr>
<td>timestamp</td><td>The target timestamp for the partition.</td></tr>
</table>
</p>
<p><pre>ListOffsets Request (Version: 2) => replica_id isolation_level [topics]
replica_id => INT32
isolation_level => INT8
topics => topic [partitions]
topic => STRING
partitions => partition timestamp
partition => INT32
timestamp => INT64
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>replica_id</td><td>Broker id of the follower. For normal consumers, use -1.</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>Topics to list offsets.</td></tr>
<tr>
<td>topic</td><td>Name of topic</td></tr>
<tr>
<td>partitions</td><td>Partitions to list offsets.</td></tr>
<tr>
<td>partition</td><td>Topic partition id</td></tr>
<tr>
<td>timestamp</td><td>The target timestamp for the partition.</td></tr>
</table>
</p>
<p><pre>ListOffsets Request (Version: 3) => replica_id isolation_level [topics]
replica_id => INT32
isolation_level => INT8
topics => topic [partitions]
topic => STRING
partitions => partition timestamp
partition => INT32
timestamp => INT64
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>replica_id</td><td>Broker id of the follower. For normal consumers, use -1.</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>Topics to list offsets.</td></tr>
<tr>
<td>topic</td><td>Name of topic</td></tr>
<tr>
<td>partitions</td><td>Partitions to list offsets.</td></tr>
<tr>
<td>partition</td><td>Topic partition id</td></tr>
<tr>
<td>timestamp</td><td>The target timestamp for the partition.</td></tr>
</table>
</p>
<p><pre>ListOffsets Request (Version: 4) => replica_id isolation_level [topics]
replica_id => INT32
isolation_level => INT8
topics => topic [partitions]
topic => STRING
partitions => partition current_leader_epoch timestamp
partition => 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>Broker id of the follower. For normal consumers, use -1.</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>Topics to list offsets.</td></tr>
<tr>
<td>topic</td><td>Name of topic</td></tr>
<tr>
<td>partitions</td><td>Partitions to list offsets.</td></tr>
<tr>
<td>partition</td><td>Topic partition id</td></tr>
<tr>
<td>current_leader_epoch</td><td>The current leader epoch, if provided, is 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>timestamp</td><td>The target timestamp for the partition.</td></tr>
</table>
</p>
<p><pre>ListOffsets Request (Version: 5) => replica_id isolation_level [topics]
replica_id => INT32
isolation_level => INT8
topics => topic [partitions]
topic => STRING
partitions => partition current_leader_epoch timestamp
partition => 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>Broker id of the follower. For normal consumers, use -1.</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>Topics to list offsets.</td></tr>
<tr>
<td>topic</td><td>Name of topic</td></tr>
<tr>
<td>partitions</td><td>Partitions to list offsets.</td></tr>
<tr>
<td>partition</td><td>Topic partition id</td></tr>
<tr>
<td>current_leader_epoch</td><td>The current leader epoch, if provided, is 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>timestamp</td><td>The target timestamp for the partition.</td></tr>
</table>
</p>
<b>Responses:</b><br>
<p><pre>ListOffsets Response (Version: 0) => [responses]
responses => topic [partition_responses]
topic => STRING
partition_responses => partition error_code [offsets]
partition => INT32
error_code => INT16
offsets => INT64
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>responses</td><td>The listed offsets by topic</td></tr>
<tr>
<td>topic</td><td>Name of topic</td></tr>
<tr>
<td>partition_responses</td><td>The listed offsets by partition</td></tr>
<tr>
<td>partition</td><td>Topic partition id</td></tr>
<tr>
<td>error_code</td><td>Response error code</td></tr>
<tr>
<td>offsets</td><td>A list of offsets.</td></tr>
</table>
</p>
<p><pre>ListOffsets Response (Version: 1) => [responses]
responses => topic [partition_responses]
topic => STRING
partition_responses => partition error_code timestamp offset
partition => INT32
error_code => INT16
timestamp => INT64
offset => INT64
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>responses</td><td>The listed offsets by topic</td></tr>
<tr>
<td>topic</td><td>Name of topic</td></tr>
<tr>
<td>partition_responses</td><td>The listed offsets by partition</td></tr>
<tr>
<td>partition</td><td>Topic partition id</td></tr>
<tr>
<td>error_code</td><td>Response error code</td></tr>
<tr>
<td>timestamp</td><td>The timestamp associated with the returned offset</td></tr>
<tr>
<td>offset</td><td>The offset found</td></tr>
</table>
</p>
<p><pre>ListOffsets Response (Version: 2) => throttle_time_ms [responses]
throttle_time_ms => INT32
responses => topic [partition_responses]
topic => STRING
partition_responses => partition error_code timestamp offset
partition => 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>Duration in milliseconds for which the request was throttled due to quota violation (Zero if the request did not violate any quota)</td></tr>
<tr>
<td>responses</td><td>The listed offsets by topic</td></tr>
<tr>
<td>topic</td><td>Name of topic</td></tr>
<tr>
<td>partition_responses</td><td>The listed offsets by partition</td></tr>
<tr>
<td>partition</td><td>Topic partition id</td></tr>
<tr>
<td>error_code</td><td>Response error code</td></tr>
<tr>
<td>timestamp</td><td>The timestamp associated with the returned offset</td></tr>
<tr>
<td>offset</td><td>The offset found</td></tr>
</table>
</p>
<p><pre>ListOffsets Response (Version: 3) => throttle_time_ms [responses]
throttle_time_ms => INT32
responses => topic [partition_responses]
topic => STRING
partition_responses => partition error_code timestamp offset
partition => 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>Duration in milliseconds for which the request was throttled due to quota violation (Zero if the request did not violate any quota)</td></tr>
<tr>
<td>responses</td><td>The listed offsets by topic</td></tr>
<tr>
<td>topic</td><td>Name of topic</td></tr>
<tr>
<td>partition_responses</td><td>The listed offsets by partition</td></tr>
<tr>
<td>partition</td><td>Topic partition id</td></tr>
<tr>
<td>error_code</td><td>Response error code</td></tr>
<tr>
<td>timestamp</td><td>The timestamp associated with the returned offset</td></tr>
<tr>
<td>offset</td><td>The offset found</td></tr>
</table>
</p>
<p><pre>ListOffsets Response (Version: 4) => throttle_time_ms [responses]
throttle_time_ms => INT32
responses => topic [partition_responses]
topic => STRING
partition_responses => partition error_code timestamp offset leader_epoch
partition => 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>Duration in milliseconds for which the request was throttled due to quota violation (Zero if the request did not violate any quota)</td></tr>
<tr>
<td>responses</td><td>The listed offsets by topic</td></tr>
<tr>
<td>topic</td><td>Name of topic</td></tr>
<tr>
<td>partition_responses</td><td>The listed offsets by partition</td></tr>
<tr>
<td>partition</td><td>Topic partition id</td></tr>
<tr>
<td>error_code</td><td>Response error code</td></tr>
<tr>
<td>timestamp</td><td>The timestamp associated with the returned offset</td></tr>
<tr>
<td>offset</td><td>The offset found</td></tr>
<tr>
<td>leader_epoch</td><td>The leader epoch</td></tr>
</table>
</p>
<p><pre>ListOffsets Response (Version: 5) => throttle_time_ms [responses]
throttle_time_ms => INT32
responses => topic [partition_responses]
topic => STRING
partition_responses => partition error_code timestamp offset leader_epoch
partition => 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>Duration in milliseconds for which the request was throttled due to quota violation (Zero if the request did not violate any quota)</td></tr>
<tr>
<td>responses</td><td>The listed offsets by topic</td></tr>
<tr>
<td>topic</td><td>Name of topic</td></tr>
<tr>
<td>partition_responses</td><td>The listed offsets by partition</td></tr>
<tr>
<td>partition</td><td>Topic partition id</td></tr>
<tr>
<td>error_code</td><td>Response error code</td></tr>
<tr>
<td>timestamp</td><td>The timestamp associated with the returned offset</td></tr>
<tr>
<td>offset</td><td>The offset found</td></tr>
<tr>
<td>leader_epoch</td><td>The leader epoch</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>
<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>
<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>
<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.</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.</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.</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.</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.</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>
<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>
<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>
<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>
<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>
<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>
<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>
<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>
<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>
<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>An array of topics to get epochs for</td></tr>
<tr>
<td>topic</td><td>Name of topic</td></tr>
<tr>
<td>partitions</td><td>An array of partitions to get epochs for</td></tr>
<tr>
<td>partition</td><td>Topic partition id</td></tr>
<tr>
<td>leader_epoch</td><td>The epoch to lookup 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>An array of topics to get epochs for</td></tr>
<tr>
<td>topic</td><td>Name of topic</td></tr>
<tr>
<td>partitions</td><td>An array of partitions to get epochs for</td></tr>
<tr>
<td>partition</td><td>Topic partition id</td></tr>
<tr>
<td>leader_epoch</td><td>The epoch to lookup 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>An array of topics to get epochs for</td></tr>
<tr>
<td>topic</td><td>Name of topic</td></tr>
<tr>
<td>partitions</td><td>An array of partitions to get epochs for</td></tr>
<tr>
<td>partition</td><td>Topic partition id</td></tr>
<tr>
<td>current_leader_epoch</td><td>The current leader epoch, if provided, is 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 lookup 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>Broker id of the follower. For normal consumers, use -1.</td></tr>
<tr>
<td>topics</td><td>An array of topics to get epochs for</td></tr>
<tr>
<td>topic</td><td>Name of topic</td></tr>
<tr>
<td>partitions</td><td>An array of partitions to get epochs for</td></tr>
<tr>
<td>partition</td><td>Topic partition id</td></tr>
<tr>
<td>current_leader_epoch</td><td>The current leader epoch, if provided, is 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 lookup an offset for.</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>An array of topics for which we have leader offsets for some requested partition leader epoch</td></tr>
<tr>
<td>topic</td><td>Name of topic</td></tr>
<tr>
<td>partitions</td><td>An array of offsets by partition</td></tr>
<tr>
<td>error_code</td><td>Response error code</td></tr>
<tr>
<td>partition</td><td>Topic partition id</td></tr>
<tr>
<td>end_offset</td><td>The end offset</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>An array of topics for which we have leader offsets for some requested partition leader epoch</td></tr>
<tr>
<td>topic</td><td>Name of topic</td></tr>
<tr>
<td>partitions</td><td>An array of offsets by partition</td></tr>
<tr>
<td>error_code</td><td>Response error code</td></tr>
<tr>
<td>partition</td><td>Topic partition id</td></tr>
<tr>
<td>leader_epoch</td><td>The leader epoch</td></tr>
<tr>
<td>end_offset</td><td>The end offset</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>Duration in milliseconds for which the request was throttled due to quota violation (Zero if the request did not violate any quota)</td></tr>
<tr>
<td>topics</td><td>An array of topics for which we have leader offsets for some requested partition leader epoch</td></tr>
<tr>
<td>topic</td><td>Name of topic</td></tr>
<tr>
<td>partitions</td><td>An array of offsets by partition</td></tr>
<tr>
<td>error_code</td><td>Response error code</td></tr>
<tr>
<td>partition</td><td>Topic partition id</td></tr>
<tr>
<td>leader_epoch</td><td>The leader epoch</td></tr>
<tr>
<td>end_offset</td><td>The end offset</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>Duration in milliseconds for which the request was throttled due to quota violation (Zero if the request did not violate any quota)</td></tr>
<tr>
<td>topics</td><td>An array of topics for which we have leader offsets for some requested partition leader epoch</td></tr>
<tr>
<td>topic</td><td>Name of topic</td></tr>
<tr>
<td>partitions</td><td>An array of offsets by partition</td></tr>
<tr>
<td>error_code</td><td>Response error code</td></tr>
<tr>
<td>partition</td><td>Topic partition id</td></tr>
<tr>
<td>leader_epoch</td><td>The leader epoch</td></tr>
<tr>
<td>end_offset</td><td>The end offset</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>
<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>
<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>
<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>
<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>
<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>
<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>
<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>
<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 [config_names]
resource_type => INT8
resource_name => STRING
config_names => STRING
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>resources</td><td>An array of config resources to be returned.</td></tr>
<tr>
<td>resource_type</td><td>null</td></tr>
<tr>
<td>resource_name</td><td>null</td></tr>
<tr>
<td>config_names</td><td>null</td></tr>
</table>
</p>
<p><pre>DescribeConfigs Request (Version: 1) => [resources] include_synonyms
resources => resource_type resource_name [config_names]
resource_type => INT8
resource_name => STRING
config_names => STRING
include_synonyms => BOOLEAN
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>resources</td><td>An array of config resources to be returned.</td></tr>
<tr>
<td>resource_type</td><td>null</td></tr>
<tr>
<td>resource_name</td><td>null</td></tr>
<tr>
<td>config_names</td><td>null</td></tr>
<tr>
<td>include_synonyms</td><td>null</td></tr>
</table>
</p>
<p><pre>DescribeConfigs Request (Version: 2) => [resources] include_synonyms
resources => resource_type resource_name [config_names]
resource_type => INT8
resource_name => STRING
config_names => STRING
include_synonyms => BOOLEAN
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>resources</td><td>An array of config resources to be returned.</td></tr>
<tr>
<td>resource_type</td><td>null</td></tr>
<tr>
<td>resource_name</td><td>null</td></tr>
<tr>
<td>config_names</td><td>null</td></tr>
<tr>
<td>include_synonyms</td><td>null</td></tr>
</table>
</p>
<p><pre>DescribeConfigs Request (Version: 3) => [resources] include_synonyms include_documentation
resources => resource_type resource_name [config_names]
resource_type => INT8
resource_name => STRING
config_names => 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>An array of config resources to be returned.</td></tr>
<tr>
<td>resource_type</td><td>null</td></tr>
<tr>
<td>resource_name</td><td>null</td></tr>
<tr>
<td>config_names</td><td>null</td></tr>
<tr>
<td>include_synonyms</td><td>null</td></tr>
<tr>
<td>include_documentation</td><td>null</td></tr>
</table>
</p>
<b>Responses:</b><br>
<p><pre>DescribeConfigs Response (Version: 0) => throttle_time_ms [resources]
throttle_time_ms => INT32
resources => error_code error_message resource_type resource_name [config_entries]
error_code => INT16
error_message => NULLABLE_STRING
resource_type => INT8
resource_name => STRING
config_entries => config_name config_value read_only is_default is_sensitive
config_name => STRING
config_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>Duration in milliseconds for which the request was throttled due to quota violation (Zero if the request did not violate any quota)</td></tr>
<tr>
<td>resources</td><td>null</td></tr>
<tr>
<td>error_code</td><td>Response error code</td></tr>
<tr>
<td>error_message</td><td>Response error message</td></tr>
<tr>
<td>resource_type</td><td>null</td></tr>
<tr>
<td>resource_name</td><td>null</td></tr>
<tr>
<td>config_entries</td><td>null</td></tr>
<tr>
<td>config_name</td><td>null</td></tr>
<tr>
<td>config_value</td><td>null</td></tr>
<tr>
<td>read_only</td><td>null</td></tr>
<tr>
<td>is_default</td><td>null</td></tr>
<tr>
<td>is_sensitive</td><td>null</td></tr>
</table>
</p>
<p><pre>DescribeConfigs Response (Version: 1) => throttle_time_ms [resources]
throttle_time_ms => INT32
resources => error_code error_message resource_type resource_name [config_entries]
error_code => INT16
error_message => NULLABLE_STRING
resource_type => INT8
resource_name => STRING
config_entries => config_name config_value read_only config_source is_sensitive [config_synonyms]
config_name => STRING
config_value => NULLABLE_STRING
read_only => BOOLEAN
config_source => INT8
is_sensitive => BOOLEAN
config_synonyms => config_name config_value config_source
config_name => STRING
config_value => NULLABLE_STRING
config_source => INT8
</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 quota violation (Zero if the request did not violate any quota)</td></tr>
<tr>
<td>resources</td><td>null</td></tr>
<tr>
<td>error_code</td><td>Response error code</td></tr>
<tr>
<td>error_message</td><td>Response error message</td></tr>
<tr>
<td>resource_type</td><td>null</td></tr>
<tr>
<td>resource_name</td><td>null</td></tr>
<tr>
<td>config_entries</td><td>null</td></tr>
<tr>
<td>config_name</td><td>null</td></tr>
<tr>
<td>config_value</td><td>null</td></tr>
<tr>
<td>read_only</td><td>null</td></tr>
<tr>
<td>config_source</td><td>null</td></tr>
<tr>
<td>is_sensitive</td><td>null</td></tr>
<tr>
<td>config_synonyms</td><td>null</td></tr>
<tr>
<td>config_name</td><td>null</td></tr>
<tr>
<td>config_value</td><td>null</td></tr>
<tr>
<td>config_source</td><td>null</td></tr>
</table>
</p>
<p><pre>DescribeConfigs Response (Version: 2) => throttle_time_ms [resources]
throttle_time_ms => INT32
resources => error_code error_message resource_type resource_name [config_entries]
error_code => INT16
error_message => NULLABLE_STRING
resource_type => INT8
resource_name => STRING
config_entries => config_name config_value read_only config_source is_sensitive [config_synonyms]
config_name => STRING
config_value => NULLABLE_STRING
read_only => BOOLEAN
config_source => INT8
is_sensitive => BOOLEAN
config_synonyms => config_name config_value config_source
config_name => STRING
config_value => NULLABLE_STRING
config_source => INT8
</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 quota violation (Zero if the request did not violate any quota)</td></tr>
<tr>
<td>resources</td><td>null</td></tr>
<tr>
<td>error_code</td><td>Response error code</td></tr>
<tr>
<td>error_message</td><td>Response error message</td></tr>
<tr>
<td>resource_type</td><td>null</td></tr>
<tr>
<td>resource_name</td><td>null</td></tr>
<tr>
<td>config_entries</td><td>null</td></tr>
<tr>
<td>config_name</td><td>null</td></tr>
<tr>
<td>config_value</td><td>null</td></tr>
<tr>
<td>read_only</td><td>null</td></tr>
<tr>
<td>config_source</td><td>null</td></tr>
<tr>
<td>is_sensitive</td><td>null</td></tr>
<tr>
<td>config_synonyms</td><td>null</td></tr>
<tr>
<td>config_name</td><td>null</td></tr>
<tr>
<td>config_value</td><td>null</td></tr>
<tr>
<td>config_source</td><td>null</td></tr>
</table>
</p>
<p><pre>DescribeConfigs Response (Version: 3) => throttle_time_ms [resources]
throttle_time_ms => INT32
resources => error_code error_message resource_type resource_name [config_entries]
error_code => INT16
error_message => NULLABLE_STRING
resource_type => INT8
resource_name => STRING
config_entries => config_name config_value read_only config_source is_sensitive [config_synonyms] config_type config_documentation
config_name => STRING
config_value => NULLABLE_STRING
read_only => BOOLEAN
config_source => INT8
is_sensitive => BOOLEAN
config_synonyms => config_name config_value config_source
config_name => STRING
config_value => NULLABLE_STRING
config_source => INT8
config_type => INT8
config_documentation => NULLABLE_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 quota violation (Zero if the request did not violate any quota)</td></tr>
<tr>
<td>resources</td><td>null</td></tr>
<tr>
<td>error_code</td><td>Response error code</td></tr>
<tr>
<td>error_message</td><td>Response error message</td></tr>
<tr>
<td>resource_type</td><td>null</td></tr>
<tr>
<td>resource_name</td><td>null</td></tr>
<tr>
<td>config_entries</td><td>null</td></tr>
<tr>
<td>config_name</td><td>null</td></tr>
<tr>
<td>config_value</td><td>null</td></tr>
<tr>
<td>read_only</td><td>null</td></tr>
<tr>
<td>config_source</td><td>null</td></tr>
<tr>
<td>is_sensitive</td><td>null</td></tr>
<tr>
<td>config_synonyms</td><td>null</td></tr>
<tr>
<td>config_name</td><td>null</td></tr>
<tr>
<td>config_value</td><td>null</td></tr>
<tr>
<td>config_source</td><td>null</td></tr>
<tr>
<td>config_type</td><td>null</td></tr>
<tr>
<td>config_documentation</td><td>null</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>
<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>
<h5><a name="The_Messages_AlterReplicaLogDirs">AlterReplicaLogDirs API (Key: 34):</a></h5>
<b>Requests:</b><br>
<p><pre>AlterReplicaLogDirs Request (Version: 0) => [log_dirs]
log_dirs => log_dir [topics]
log_dir => STRING
topics => topic [partitions]
topic => STRING
partitions => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>log_dirs</td><td>null</td></tr>
<tr>
<td>log_dir</td><td>The absolute log directory path.</td></tr>
<tr>
<td>topics</td><td>null</td></tr>
<tr>
<td>topic</td><td>Name of topic</td></tr>
<tr>
<td>partitions</td><td>List of partition ids of the topic.</td></tr>
</table>
</p>
<p><pre>AlterReplicaLogDirs Request (Version: 1) => [log_dirs]
log_dirs => log_dir [topics]
log_dir => STRING
topics => topic [partitions]
topic => STRING
partitions => INT32
</pre><table class="data-table"><tbody>
<tr><th>Field</th>
<th>Description</th>
</tr><tr>
<td>log_dirs</td><td>null</td></tr>
<tr>
<td>log_dir</td><td>The absolute log directory path.</td></tr>
<tr>
<td>topics</td><td>null</td></tr>
<tr>
<td>topic</td><td>Name of topic</td></tr>
<tr>
<td>partitions</td><td>List of partition ids of the topic.</td></tr>
</table>
</p>
<b>Responses:</b><br>
<p><pre>AlterReplicaLogDirs Response (Version: 0) => throttle_time_ms [topics]
throttle_time_ms => INT32
topics => topic [partitions]
topic => STRING
partitions => partition error_code
partition => 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 quota violation (Zero if the request did not violate any quota)</td></tr>
<tr>
<td>topics</td><td>null</td></tr>
<tr>
<td>topic</td><td>Name of topic</td></tr>
<tr>
<td>partitions</td><td>null</td></tr>
<tr>
<td>partition</td><td>Topic partition id</td></tr>
<tr>
<td>error_code</td><td>Response error code</td></tr>
</table>
</p>
<p><pre>AlterReplicaLogDirs Response (Version: 1) => throttle_time_ms [topics]
throttle_time_ms => INT32
topics => topic [partitions]
topic => STRING
partitions => partition error_code
partition => 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 quota violation (Zero if the request did not violate any quota)</td></tr>
<tr>
<td>topics</td><td>null</td></tr>
<tr>
<td>topic</td><td>Name of topic</td></tr>
<tr>
<td>partitions</td><td>null</td></tr>
<tr>
<td>partition</td><td>Topic partition id</td></tr>
<tr>
<td>error_code</td><td>Response error code</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>
<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>
<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>
<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>
<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>
<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>