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 <!DOCTYPE html><html lang="en"><head><meta charSet="utf-8"/><meta http-equiv="X-UA-Compatible" content="IE=edge"/><title>Kafka Connector · Apache Pulsar</title><meta name="viewport" content="width=device-width, initial-scale=1.0"/><meta name="generator" content="Docusaurus"/><meta name="description" content="## Source"/><meta name="docsearch:version" content="2.1.1-incubating"/><meta name="docsearch:language" content="en"/><meta property="og:title" content="Kafka Connector · Apache Pulsar"/><meta property="og:type" content="website"/><meta property="og:url" content="https://pulsar.apache.org/"/><meta property="og:description" content="## Source"/><meta name="twitter:card" content="summary"/><meta name="twitter:image" content="https://pulsar.apache.org/img/pulsar.svg"/><link rel="shortcut icon" href="/img/pulsar.ico"/><link rel="stylesheet" href="//cdnjs.cloudflare.com/ajax/libs/highlight.js/9.12.0/styles/atom-one-dark.min.css"/><link rel="alternate" type="application/atom+xml" href="https://pulsar.apache.org/blog/atom.xml" title="Apache Pulsar Blog ATOM Feed"/><link rel="alternate" type="application/rss+xml" href="https://pulsar.apache.org/blog/feed.xml" title="Apache Pulsar Blog RSS Feed"/><link rel="stylesheet" href="/css/code-blocks-buttons.css"/><script type="text/javascript" src="https://buttons.github.io/buttons.js"></script><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.0/clipboard.min.js"></script><script type="text/javascript" src="/js/custom.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/en"><img class="logo" src="/img/pulsar.svg" alt="Apache Pulsar"/></a><a href="/en/versions"><h3>2.1.1-incubating</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/en/2.1.1-incubating/getting-started-standalone" target="_self">Docs</a></li><li class=""><a href="/en/download" target="_self">Download</a></li><li class=""><a href="/docs/en/2.1.1-incubating/client-libraries" target="_self">Clients</a></li><li class=""><a href="#restapis" target="_self">REST APIs</a></li><li class=""><a href="#cli" target="_self">Cli</a></li><li class=""><a href="/blog/" target="_self">Blog</a></li><li class=""><a href="#community" target="_self">Community</a></li><li class=""><a href="#apache" target="_self">Apache</a></li><li class=""><a href="https://pulsar-next.staged.apache.org/" target="_self">New Website (Beta)</a></li><span><li><a id="languages-menu" href="#"><img class="languages-icon" src="/img/language.svg" alt="Languages icon"/>English</a><div id="languages-dropdown" class="hide"><ul id="languages-dropdown-items"><li><a href="/docs/ja/2.1.1-incubating/io-kafka">日本語</a></li><li><a href="/docs/fr/2.1.1-incubating/io-kafka">Français</a></li><li><a href="/docs/ko/2.1.1-incubating/io-kafka">한국어</a></li><li><a href="/docs/zh-CN/2.1.1-incubating/io-kafka">中文</a></li><li><a href="/docs/zh-TW/2.1.1-incubating/io-kafka">繁體中文</a></li><li><a href="https://crowdin.com/project/apache-pulsar" target="_blank" rel="noreferrer noopener">Help Translate</a></li></ul></div></li><script>
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 <p>The Kafka Source Connector is used to pull messages from Kafka topics and persist the messages
 to a Pulsar topic.</p>
 <h3><a class="anchor" aria-hidden="true" id="source-configuration-options"></a><a href="#source-configuration-options" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Source Configuration Options</h3>
 <table>
 <thead>
 <tr><th>Name</th><th>Required</th><th>Default</th><th>Description</th></tr>
 </thead>
 <tbody>
 <tr><td>bootstrapServers</td><td><code>true</code></td><td><code>null</code></td><td>A list of host/port pairs to use for establishing the initial connection to the Kafka cluster.</td></tr>
 <tr><td>groupId</td><td><code>true</code></td><td><code>null</code></td><td>A unique string that identifies the consumer group this consumer belongs to.</td></tr>
 <tr><td>fetchMinBytes</td><td><code>false</code></td><td><code>null</code></td><td>Minimum bytes expected for each fetch response.</td></tr>
 <tr><td>autoCommitEnabled</td><td><code>false</code></td><td><code>false</code></td><td>If true, periodically commit to ZooKeeper the offset of messages already fetched by the consumer. This committed offset will be used when the process fails as the position from which the new consumer will begin.</td></tr>
 <tr><td>autoCommitIntervalMs</td><td><code>false</code></td><td><code>null</code></td><td>The frequency in ms that the consumer offsets are committed to zookeeper.</td></tr>
 <tr><td>sessionTimeoutMs</td><td><code>false</code></td><td><code>null</code></td><td>The timeout used to detect consumer failures when using Kafka's group management facility.</td></tr>
 <tr><td>topic</td><td><code>true</code></td><td><code>null</code></td><td>Topic name to receive records from Kafka</td></tr>
 <tr><td>keySerializerClass</td><td>false</td><td>org.apache.kafka.common.serialization.StringSerializer</td><td>Serializer class for key that implements the org.apache.kafka.common.serialization.Serializer interface.</td></tr>
 <tr><td>valueSerializerClass</td><td>false</td><td>org.apache.kafka.common.serialization.StringSerializer</td><td>Serializer class for value that implements the org.apache.kafka.common.serialization.Serializer interface.</td></tr>
 </tbody>
 </table>
 <h2><a class="anchor" aria-hidden="true" id="sink"></a><a href="#sink" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Sink</h2>
 <p>The Kafka Sink Connector is used to pull messages from Pulsar topics and persist the messages
 to a Kafka topic.</p>
 <h3><a class="anchor" aria-hidden="true" id="sink-configuration-options"></a><a href="#sink-configuration-options" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Sink Configuration Options</h3>
 <table>
 <thead>
 <tr><th>Name</th><th>Required</th><th>Default</th><th>Description</th></tr>
 </thead>
 <tbody>
 <tr><td>acks</td><td><code>true</code></td><td><code>null</code></td><td>The kafka producer acks mode</td></tr>
 <tr><td>batchSize</td><td><code>true</code></td><td><code>null</code></td><td>The kafka producer batch size.</td></tr>
 <tr><td>maxRequestSize</td><td><code>true</code></td><td><code>null</code></td><td>The maximum size of a request in bytes.</td></tr>
 <tr><td>topic</td><td><code>true</code></td><td><code>null</code></td><td>Topic name to receive records from Kafka</td></tr>
 <tr><td>keySerializerClass</td><td>false</td><td>org.apache.kafka.common.serialization.StringSerializer</td><td>Serializer class for value that implements the org.apache.kafka.common.serialization.Serializer interface.</td></tr>
 <tr><td>valueSerializerClass</td><td>false</td><td>org.apache.kafka.common.serialization.StringSerializer</td><td>Serializer class for value that implements the org.apache.kafka.common.serialization.Serializer interface.</td></tr>
 </tbody>
 </table>
 </span></div></article></div><div class="docs-prevnext"></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#source">Source</a><ul class="toc-headings"><li><a href="#source-configuration-options">Source Configuration Options</a></li></ul></li><li><a href="#sink">Sink</a><ul class="toc-headings"><li><a href="#sink-configuration-options">Sink Configuration Options</a></li></ul></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="copyright">Copyright © 2022 The Apache Software Foundation. All Rights Reserved. Apache, Apache Pulsar and the Apache feather logo are trademarks of The Apache Software Foundation.</section><span><script>
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	<!DOCTYPE html><html lang="en"><head><meta charSet="utf-8"/><meta http-equiv="X-UA-Compatible" content="IE=edge"/><title>Kafka Connector · Apache Pulsar</title><meta name="viewport" content="width=device-width, initial-scale=1.0"/><meta name="generator" content="Docusaurus"/><meta name="description" content="## Source"/><meta name="docsearch:version" content="2.1.1-incubating"/><meta name="docsearch:language" content="en"/><meta property="og:title" content="Kafka Connector · Apache Pulsar"/><meta property="og:type" content="website"/><meta property="og:url" content="https://pulsar.apache.org/"/><meta property="og:description" content="## Source"/><meta name="twitter:card" content="summary"/><meta name="twitter:image" content="https://pulsar.apache.org/img/pulsar.svg"/><link rel="shortcut icon" href="/img/pulsar.ico"/><link rel="stylesheet" href="//cdnjs.cloudflare.com/ajax/libs/highlight.js/9.12.0/styles/atom-one-dark.min.css"/><link rel="alternate" type="application/atom+xml" href="https://pulsar.apache.org/blog/atom.xml" title="Apache Pulsar Blog ATOM Feed"/><link rel="alternate" type="application/rss+xml" href="https://pulsar.apache.org/blog/feed.xml" title="Apache Pulsar Blog RSS Feed"/><link rel="stylesheet" href="/css/code-blocks-buttons.css"/><script type="text/javascript" src="https://buttons.github.io/buttons.js"></script><script type="text/javascript" src="https://cdnjs.cloudflare.com/ajax/libs/clipboard.js/2.0.0/clipboard.min.js"></script><script type="text/javascript" src="/js/custom.js"></script><script src="/js/scrollSpy.js"></script><link rel="stylesheet" href="/css/main.css"/><script src="/js/codetabs.js"></script></head><body class="sideNavVisible separateOnPageNav"><div class="fixedHeaderContainer"><div class="headerWrapper wrapper"><header><a href="/en"><img class="logo" src="/img/pulsar.svg" alt="Apache Pulsar"/></a><a href="/en/versions"><h3>2.1.1-incubating</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class=""><a href="/docs/en/2.1.1-incubating/getting-started-standalone" target="_self">Docs</a></li><li class=""><a href="/en/download" target="_self">Download</a></li><li class=""><a href="/docs/en/2.1.1-incubating/client-libraries" target="_self">Clients</a></li><li class=""><a href="#restapis" target="_self">REST APIs</a></li><li class=""><a href="#cli" target="_self">Cli</a></li><li class=""><a href="/blog/" target="_self">Blog</a></li><li class=""><a href="#community" target="_self">Community</a></li><li class=""><a href="#apache" target="_self">Apache</a></li><li class=""><a href="https://pulsar-next.staged.apache.org/" target="_self">New Website (Beta)</a></li><span><li><a id="languages-menu" href="#"><img class="languages-icon" src="/img/language.svg" alt="Languages icon"/>English</a><div id="languages-dropdown" class="hide"><ul id="languages-dropdown-items"><li><a href="/docs/ja/2.1.1-incubating/io-kafka">日本語</a></li><li><a href="/docs/fr/2.1.1-incubating/io-kafka">Français</a></li><li><a href="/docs/ko/2.1.1-incubating/io-kafka">한국어</a></li><li><a href="/docs/zh-CN/2.1.1-incubating/io-kafka">中文</a></li><li><a href="/docs/zh-TW/2.1.1-incubating/io-kafka">繁體中文</a></li><li><a href="https://crowdin.com/project/apache-pulsar" target="_blank" rel="noreferrer noopener">Help Translate</a></li></ul></div></li><script>
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	<p>The Kafka Source Connector is used to pull messages from Kafka topics and persist the messages
	to a Pulsar topic.</p>
	<h3><a class="anchor" aria-hidden="true" id="source-configuration-options"></a><a href="#source-configuration-options" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Source Configuration Options</h3>
	<table>
	<thead>
	<tr><th>Name</th><th>Required</th><th>Default</th><th>Description</th></tr>
	</thead>
	<tbody>
	<tr><td>bootstrapServers</td><td><code>true</code></td><td><code>null</code></td><td>A list of host/port pairs to use for establishing the initial connection to the Kafka cluster.</td></tr>
	<tr><td>groupId</td><td><code>true</code></td><td><code>null</code></td><td>A unique string that identifies the consumer group this consumer belongs to.</td></tr>
	<tr><td>fetchMinBytes</td><td><code>false</code></td><td><code>null</code></td><td>Minimum bytes expected for each fetch response.</td></tr>
	<tr><td>autoCommitEnabled</td><td><code>false</code></td><td><code>false</code></td><td>If true, periodically commit to ZooKeeper the offset of messages already fetched by the consumer. This committed offset will be used when the process fails as the position from which the new consumer will begin.</td></tr>
	<tr><td>autoCommitIntervalMs</td><td><code>false</code></td><td><code>null</code></td><td>The frequency in ms that the consumer offsets are committed to zookeeper.</td></tr>
	<tr><td>sessionTimeoutMs</td><td><code>false</code></td><td><code>null</code></td><td>The timeout used to detect consumer failures when using Kafka's group management facility.</td></tr>
	<tr><td>topic</td><td><code>true</code></td><td><code>null</code></td><td>Topic name to receive records from Kafka</td></tr>
	<tr><td>keySerializerClass</td><td>false</td><td>org.apache.kafka.common.serialization.StringSerializer</td><td>Serializer class for key that implements the org.apache.kafka.common.serialization.Serializer interface.</td></tr>
	<tr><td>valueSerializerClass</td><td>false</td><td>org.apache.kafka.common.serialization.StringSerializer</td><td>Serializer class for value that implements the org.apache.kafka.common.serialization.Serializer interface.</td></tr>
	</tbody>
	</table>
	<h2><a class="anchor" aria-hidden="true" id="sink"></a><a href="#sink" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Sink</h2>
	<p>The Kafka Sink Connector is used to pull messages from Pulsar topics and persist the messages
	to a Kafka topic.</p>
	<h3><a class="anchor" aria-hidden="true" id="sink-configuration-options"></a><a href="#sink-configuration-options" aria-hidden="true" class="hash-link"><svg class="hash-link-icon" aria-hidden="true" height="16" version="1.1" viewBox="0 0 16 16" width="16"><path fill-rule="evenodd" d="M4 9h1v1H4c-1.5 0-3-1.69-3-3.5S2.55 3 4 3h4c1.45 0 3 1.69 3 3.5 0 1.41-.91 2.72-2 3.25V8.59c.58-.45 1-1.27 1-2.09C10 5.22 8.98 4 8 4H4c-.98 0-2 1.22-2 2.5S3 9 4 9zm9-3h-1v1h1c1 0 2 1.22 2 2.5S13.98 12 13 12H9c-.98 0-2-1.22-2-2.5 0-.83.42-1.64 1-2.09V6.25c-1.09.53-2 1.84-2 3.25C6 11.31 7.55 13 9 13h4c1.45 0 3-1.69 3-3.5S14.5 6 13 6z"></path></svg></a>Sink Configuration Options</h3>
	<table>
	<thead>
	<tr><th>Name</th><th>Required</th><th>Default</th><th>Description</th></tr>
	</thead>
	<tbody>
	<tr><td>acks</td><td><code>true</code></td><td><code>null</code></td><td>The kafka producer acks mode</td></tr>
	<tr><td>batchSize</td><td><code>true</code></td><td><code>null</code></td><td>The kafka producer batch size.</td></tr>
	<tr><td>maxRequestSize</td><td><code>true</code></td><td><code>null</code></td><td>The maximum size of a request in bytes.</td></tr>
	<tr><td>topic</td><td><code>true</code></td><td><code>null</code></td><td>Topic name to receive records from Kafka</td></tr>
	<tr><td>keySerializerClass</td><td>false</td><td>org.apache.kafka.common.serialization.StringSerializer</td><td>Serializer class for value that implements the org.apache.kafka.common.serialization.Serializer interface.</td></tr>
	<tr><td>valueSerializerClass</td><td>false</td><td>org.apache.kafka.common.serialization.StringSerializer</td><td>Serializer class for value that implements the org.apache.kafka.common.serialization.Serializer interface.</td></tr>
	</tbody>
	</table>
	</span></div></article></div><div class="docs-prevnext"></div></div></div><nav class="onPageNav"><ul class="toc-headings"><li><a href="#source">Source</a><ul class="toc-headings"><li><a href="#source-configuration-options">Source Configuration Options</a></li></ul></li><li><a href="#sink">Sink</a><ul class="toc-headings"><li><a href="#sink-configuration-options">Sink Configuration Options</a></li></ul></li></ul></nav></div><footer class="nav-footer" id="footer"><section class="copyright">Copyright © 2022 The Apache Software Foundation. All Rights Reserved. Apache, Apache Pulsar and the Apache feather logo are trademarks of The Apache Software Foundation.</section><span><script>
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