<!DOCTYPE html><html lang="en"><head><meta charSet="utf-8"/><meta http-equiv="X-UA-Compatible" content="IE=edge"/><title>Pulsar adaptor for Apache Spark · Apache Pulsar</title><meta name="viewport" content="width=device-width, initial-scale=1.0"/><meta name="generator" content="Docusaurus"/><meta name="description" content="The Spark Streaming receiver for Pulsar is a custom receiver that enables Apache [Spark Streaming](https://spark.apache.org/streaming/) to receive raw data from Pulsar."/><meta name="docsearch:version" content="2.6.4"/><meta name="docsearch:language" content="en"/><meta property="og:title" content="Pulsar adaptor for Apache Spark · Apache Pulsar"/><meta property="og:type" content="website"/><meta property="og:url" content="https://pulsar.apache.org/"/><meta property="og:description" content="The Spark Streaming receiver for Pulsar is a custom receiver that enables Apache [Spark Streaming](https://spark.apache.org/streaming/) to receive raw data from Pulsar."/><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>2.6.4</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class="siteNavGroupActive"><a href="/docs/en/2.6.4/getting-started-standalone" target="_self">Docs</a></li><li class=""><a href="/en/download" target="_self">Download</a></li><li class="siteNavGroupActive"><a href="/docs/en/2.6.4/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/2.6.4/adaptors-spark">日本語</a></li><li><a href="/docs/fr/2.6.4/adaptors-spark">Français</a></li><li><a href="/docs/ko/2.6.4/adaptors-spark">한국어</a></li><li><a href="/docs/zh-CN/2.6.4/adaptors-spark">中文</a></li><li><a href="/docs/zh-TW/2.6.4/adaptors-spark">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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href="/docs/en/2.6.4/cookbooks-encryption">Encryption</a></li><li class="navListItem"><a class="navItem" href="/docs/en/2.6.4/cookbooks-message-queue">Message queue</a></li><li class="navListItem"><a class="navItem" href="/docs/en/2.6.4/cookbooks-bookkeepermetadata">BookKeeper Ledger Metadata</a></li></ul></div><div class="navGroup"><h3 class="navGroupCategoryTitle">Development</h3><ul class=""><li class="navListItem"><a class="navItem" href="/docs/en/2.6.4/develop-tools">Simulation tools</a></li><li class="navListItem"><a class="navItem" href="/docs/en/2.6.4/developing-binary-protocol">Binary protocol</a></li><li class="navListItem"><a class="navItem" href="/docs/en/2.6.4/develop-schema">Custom schema storage</a></li><li class="navListItem"><a class="navItem" href="/docs/en/2.6.4/develop-load-manager">Modular load manager</a></li><li class="navListItem"><a class="navItem" href="/docs/en/2.6.4/develop-cpp">Building Pulsar C++ client</a></li></ul></div><div class="navGroup"><h3 class="navGroupCategoryTitle">Reference</h3><ul class=""><li class="navListItem"><a class="navItem" href="/docs/en/2.6.4/reference-terminology">Terminology</a></li><li class="navListItem"><a class="navItem" href="/docs/en/2.6.4/reference-cli-tools">Pulsar CLI tools</a></li><li class="navListItem"><a class="navItem" href="/docs/en/2.6.4/reference-configuration">Pulsar configuration</a></li><li class="navListItem"><a class="navItem" href="/docs/en/2.6.4/reference-metrics">Pulsar Metrics</a></li></ul></div></div></section></div><script>
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<p>An application can receive data in <a href="https://spark.apache.org/docs/latest/programming-guide.html#resilient-distributed-datasets-rdds">Resilient Distributed Dataset</a> (RDD) format via the Spark Streaming receiver and can process it in a variety of ways.</p>
<h2><a class="anchor" aria-hidden="true" id="prerequisites"></a><a href="#prerequisites" 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>Prerequisites</h2>
<p>To use the receiver, include a dependency for the <code>pulsar-spark</code> library in your Java configuration.</p>
<h3><a class="anchor" aria-hidden="true" id="maven"></a><a href="#maven" 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>Maven</h3>
<p>If you're using Maven, add this to your <code>pom.xml</code>:</p>
<pre><code class="hljs css language-xml"><span class="hljs-comment">&lt;!-- in your &lt;properties&gt; block --&gt;</span>
<span class="hljs-tag">&lt;<span class="hljs-name">pulsar.version</span>&gt;</span>2.6.4<span class="hljs-tag">&lt;/<span class="hljs-name">pulsar.version</span>&gt;</span>

<span class="hljs-comment">&lt;!-- in your &lt;dependencies&gt; block --&gt;</span>
<span class="hljs-tag">&lt;<span class="hljs-name">dependency</span>&gt;</span>
  <span class="hljs-tag">&lt;<span class="hljs-name">groupId</span>&gt;</span>org.apache.pulsar<span class="hljs-tag">&lt;/<span class="hljs-name">groupId</span>&gt;</span>
  <span class="hljs-tag">&lt;<span class="hljs-name">artifactId</span>&gt;</span>pulsar-spark<span class="hljs-tag">&lt;/<span class="hljs-name">artifactId</span>&gt;</span>
  <span class="hljs-tag">&lt;<span class="hljs-name">version</span>&gt;</span>${pulsar.version}<span class="hljs-tag">&lt;/<span class="hljs-name">version</span>&gt;</span>
<span class="hljs-tag">&lt;/<span class="hljs-name">dependency</span>&gt;</span>
</code></pre>
<h3><a class="anchor" aria-hidden="true" id="gradle"></a><a href="#gradle" 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>Gradle</h3>
<p>If you're using Gradle, add this to your <code>build.gradle</code> file:</p>
<pre><code class="hljs css language-groovy"><span class="hljs-keyword">def</span> pulsarVersion = <span class="hljs-string">"2.6.4"</span>

dependencies {
    compile <span class="hljs-string">group:</span> <span class="hljs-string">'org.apache.pulsar'</span>, <span class="hljs-string">name:</span> <span class="hljs-string">'pulsar-spark'</span>, <span class="hljs-string">version:</span> pulsarVersion
}
</code></pre>
<h2><a class="anchor" aria-hidden="true" id="usage"></a><a href="#usage" 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>Usage</h2>
<p>Pass an instance of <code>SparkStreamingPulsarReceiver</code> to the <code>receiverStream</code> method in <code>JavaStreamingContext</code>:</p>
<pre><code class="hljs css language-java">    String serviceUrl = <span class="hljs-string">"pulsar://localhost:6650/"</span>;
    String topic = <span class="hljs-string">"persistent://public/default/test_src"</span>;
    String subs = <span class="hljs-string">"test_sub"</span>;

    SparkConf sparkConf = <span class="hljs-keyword">new</span> SparkConf().setMaster(<span class="hljs-string">"local[*]"</span>).setAppName(<span class="hljs-string">"Pulsar Spark Example"</span>);

    JavaStreamingContext jsc = <span class="hljs-keyword">new</span> JavaStreamingContext(sparkConf, Durations.seconds(<span class="hljs-number">60</span>));

    ConsumerConfigurationData&lt;<span class="hljs-keyword">byte</span>[]&gt; pulsarConf = <span class="hljs-keyword">new</span> ConsumerConfigurationData();

    Set&lt;String&gt; set = <span class="hljs-keyword">new</span> HashSet&lt;&gt;();
    set.add(topic);
    pulsarConf.setTopicNames(set);
    pulsarConf.setSubscriptionName(subs);

    SparkStreamingPulsarReceiver pulsarReceiver = <span class="hljs-keyword">new</span> SparkStreamingPulsarReceiver(
        serviceUrl,
        pulsarConf,
        <span class="hljs-keyword">new</span> AuthenticationDisabled());

    JavaReceiverInputDStream&lt;<span class="hljs-keyword">byte</span>[]&gt; lineDStream = jsc.receiverStream(pulsarReceiver);
</code></pre>
<p>For a complete example, click <a href="https://github.com/apache/pulsar-adapters/blob/master/examples/spark/src/main/java/org/apache/spark/streaming/receiver/example/SparkStreamingPulsarReceiverExample.java">here</a>. In this example, the number of messages that contain the string &quot;Pulsar&quot; in received messages is counted.</p>
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