| <!DOCTYPE html><html lang="en"><head><meta charSet="utf-8"/><meta http-equiv="X-UA-Compatible" content="IE=edge"/><title>Managing functions · Apache Pulsar</title><meta name="viewport" content="width=device-width, initial-scale=1.0"/><meta name="generator" content="Docusaurus"/><meta name="description" content="**Pulsar Functions** are lightweight compute processes that"/><meta name="docsearch:version" content="2.4.2"/><meta name="docsearch:language" content="en"/><meta property="og:title" content="Managing functions · Apache Pulsar"/><meta property="og:type" content="website"/><meta property="og:url" content="https://pulsar.apache.org/"/><meta property="og:description" content="**Pulsar Functions** are lightweight compute processes that"/><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>2.4.2</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class="siteNavGroupActive"><a href="/docs/en/2.4.2/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/2.4.2/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/2.4.2/admin-api-functions">日本語</a></li><li><a href="/docs/fr/2.4.2/admin-api-functions">Français</a></li><li><a href="/docs/ko/2.4.2/admin-api-functions">한국어</a></li><li><a href="/docs/zh-CN/2.4.2/admin-api-functions">中文</a></li><li><a href="/docs/zh-TW/2.4.2/admin-api-functions">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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class="navListItem"><a class="navItem" href="/docs/en/2.4.2/concepts-topic-compaction">Topic Compaction</a></li><li class="navListItem"><a class="navItem" href="/docs/en/2.4.2/concepts-tiered-storage">Tiered Storage</a></li><li class="navListItem"><a class="navItem" href="/docs/en/2.4.2/concepts-schema-registry">Schema Registry</a></li></ul></div><div class="navGroup"><h3 class="navGroupCategoryTitle">Pulsar Schema</h3><ul class=""><li class="navListItem"><a class="navItem" href="/docs/en/2.4.2/schema-get-started">Get started</a></li><li class="navListItem"><a class="navItem" href="/docs/en/2.4.2/schema-understand">Understand schema</a></li><li class="navListItem"><a class="navItem" href="/docs/en/2.4.2/schema-evolution-compatibility">Schema evolution and compatibility</a></li><li class="navListItem"><a class="navItem" href="/docs/en/2.4.2/schema-manage">Manage schema</a></li></ul></div><div class="navGroup"><h3 class="navGroupCategoryTitle">Pulsar Functions</h3><ul class=""><li class="navListItem"><a class="navItem" href="/docs/en/2.4.2/functions-overview">Overview</a></li><li class="navListItem"><a class="navItem" href="/docs/en/2.4.2/functions-worker">Setup: Pulsar Functions Worker</a></li><li class="navListItem"><a class="navItem" href="/docs/en/2.4.2/functions-runtime">Setup: Configure Functions runtime</a></li><li class="navListItem"><a class="navItem" href="/docs/en/2.4.2/functions-develop">How-to: Develop</a></li><li class="navListItem"><a class="navItem" href="/docs/en/2.4.2/functions-debug">How-to: Debug</a></li><li class="navListItem"><a class="navItem" href="/docs/en/2.4.2/functions-deploy">How-to: Deploy</a></li><li class="navListItem"><a class="navItem" href="/docs/en/2.4.2/functions-cli">Reference: CLI</a></li><li class="navListItem"><a class="navItem" href="/docs/en/2.4.2/window-functions-context">Window Functions: Context</a></li></ul></div><div class="navGroup"><h3 class="navGroupCategoryTitle">Pulsar IO</h3><ul class=""><li 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href="/docs/en/2.4.2/security-tls-transport">Transport Encryption using TLS</a></li><li class="navListItem"><a class="navItem" href="/docs/en/2.4.2/security-tls-authentication">Authentication using TLS</a></li><li class="navListItem"><a class="navItem" href="/docs/en/2.4.2/security-token-client">Client Authentication using tokens</a></li><li class="navListItem"><a class="navItem" href="/docs/en/2.4.2/security-token-admin">Token authentication admin</a></li><li class="navListItem"><a class="navItem" href="/docs/en/2.4.2/security-athenz">Authentication using Athenz</a></li><li class="navListItem"><a class="navItem" href="/docs/en/2.4.2/security-kerberos">Authentication using Kerberos</a></li><li class="navListItem"><a class="navItem" href="/docs/en/2.4.2/security-jwt">Authentication using JWT</a></li><li class="navListItem"><a class="navItem" href="/docs/en/2.4.2/security-authorization">Authorization and ACLs</a></li><li class="navListItem"><a class="navItem" href="/docs/en/2.4.2/security-encryption">End-to-End Encryption</a></li><li class="navListItem"><a class="navItem" href="/docs/en/2.4.2/security-extending">Extending</a></li></ul></div><div class="navGroup"><h3 class="navGroupCategoryTitle">Client Libraries</h3><ul class=""><li class="navListItem"><a class="navItem" href="/docs/en/2.4.2/client-libraries-java">Java</a></li><li class="navListItem"><a class="navItem" href="/docs/en/2.4.2/client-libraries-go">Go</a></li><li class="navListItem"><a class="navItem" href="/docs/en/2.4.2/client-libraries-python">Python</a></li><li class="navListItem"><a class="navItem" href="/docs/en/2.4.2/client-libraries-cpp">C++</a></li><li class="navListItem"><a class="navItem" href="/docs/en/2.4.2/client-libraries-websocket">WebSocket</a></li></ul></div><div class="navGroup"><h3 class="navGroupCategoryTitle">Admin API</h3><ul class=""><li class="navListItem"><a class="navItem" href="/docs/en/2.4.2/admin-api-overview">Overview</a></li><li class="navListItem"><a class="navItem" href="/docs/en/2.4.2/admin-api-clusters">Clusters</a></li><li class="navListItem"><a class="navItem" href="/docs/en/2.4.2/admin-api-tenants">Tenants</a></li><li class="navListItem"><a class="navItem" href="/docs/en/2.4.2/admin-api-brokers">Brokers</a></li><li class="navListItem"><a class="navItem" href="/docs/en/2.4.2/admin-api-namespaces">Namespaces</a></li><li class="navListItem"><a class="navItem" href="/docs/en/2.4.2/admin-api-permissions">Permissions</a></li><li class="navListItem"><a class="navItem" href="/docs/en/2.4.2/admin-api-persistent-topics">Persistent topics</a></li><li class="navListItem"><a class="navItem" href="/docs/en/2.4.2/admin-api-non-persistent-topics">Non-Persistent topics</a></li><li class="navListItem"><a class="navItem" href="/docs/en/2.4.2/admin-api-partitioned-topics">Partitioned topics</a></li><li class="navListItem"><a class="navItem" href="/docs/en/2.4.2/admin-api-schemas">Schemas</a></li><li class="navListItem navListItemActive"><a class="navItem" href="/docs/en/2.4.2/admin-api-functions">Functions</a></li></ul></div><div class="navGroup"><h3 class="navGroupCategoryTitle">Adaptors</h3><ul class=""><li class="navListItem"><a class="navItem" href="/docs/en/2.4.2/adaptors-kafka">Kafka client wrapper</a></li><li class="navListItem"><a class="navItem" href="/docs/en/2.4.2/adaptors-spark">Apache Spark</a></li><li class="navListItem"><a class="navItem" href="/docs/en/2.4.2/adaptors-storm">Apache Storm</a></li></ul></div><div class="navGroup"><h3 class="navGroupCategoryTitle">Cookbooks</h3><ul class=""><li class="navListItem"><a class="navItem" href="/docs/en/2.4.2/cookbooks-tiered-storage">Tiered Storage</a></li><li class="navListItem"><a class="navItem" href="/docs/en/2.4.2/cookbooks-compaction">Topic compaction</a></li><li class="navListItem"><a class="navItem" href="/docs/en/2.4.2/cookbooks-deduplication">Message deduplication</a></li><li class="navListItem"><a class="navItem" href="/docs/en/2.4.2/cookbooks-non-persistent">Non-persistent messaging</a></li><li class="navListItem"><a class="navItem" href="/docs/en/2.4.2/cookbooks-partitioned">Partitioned Topics</a></li><li class="navListItem"><a class="navItem" href="/docs/en/2.4.2/cookbooks-retention-expiry">Message retention and expiry</a></li><li class="navListItem"><a class="navItem" href="/docs/en/2.4.2/cookbooks-encryption">Encryption</a></li><li class="navListItem"><a class="navItem" href="/docs/en/2.4.2/cookbooks-message-queue">Message queue</a></li><li class="navListItem"><a class="navItem" href="/docs/en/2.4.2/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/2.4.2/develop-tools">Simulation tools</a></li><li class="navListItem"><a class="navItem" href="/docs/en/2.4.2/developing-binary-protocol">Binary protocol</a></li><li class="navListItem"><a class="navItem" href="/docs/en/2.4.2/develop-schema">Custom schema storage</a></li><li class="navListItem"><a class="navItem" href="/docs/en/2.4.2/develop-load-manager">Modular load manager</a></li><li class="navListItem"><a class="navItem" href="/docs/en/2.4.2/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/2.4.2/reference-terminology">Terminology</a></li><li class="navListItem"><a class="navItem" href="/docs/en/2.4.2/reference-cli-tools">Pulsar CLI tools</a></li><li class="navListItem"><a class="navItem" href="/docs/en/2.4.2/reference-connector-admin">Connector Admin CLI</a></li><li class="navListItem"><a class="navItem" href="/docs/en/2.4.2/reference-configuration">Pulsar configuration</a></li><li class="navListItem"><a class="navItem" href="/docs/en/2.4.2/reference-metrics">Pulsar Metrics</a></li></ul></div></div></section></div><script> |
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| </script></nav></div><div class="container mainContainer docsContainer"><div class="wrapper"><div class="post"><header class="postHeader"><a class="edit-page-link button" href="https://github.com/apache/pulsar/edit/master/site2/docs/admin-api-functions.md" target="_blank" rel="noreferrer noopener">Edit</a><h1 id="__docusaurus" class="postHeaderTitle">Managing functions</h1></header><article><div><span><p><strong>Pulsar Functions</strong> are lightweight compute processes that</p> |
| <ul> |
| <li>consume messages from one or more Pulsar topics</li> |
| <li>apply a user-supplied processing logic to each message</li> |
| <li>publish the results of the computation to another topic</li> |
| </ul> |
| <p>Functions can be managed via the following methods.</p> |
| <table> |
| <thead> |
| <tr><th>Method</th><th>Description</th></tr> |
| </thead> |
| <tbody> |
| <tr><td><strong>Admin CLI</strong></td><td>The <a href="/docs/en/2.4.2/reference-pulsar-admin#functions"><code>functions</code></a> command of the <a href="/docs/en/2.4.2/reference-pulsar-admin"><code>pulsar-admin</code></a> tool.</td></tr> |
| <tr><td><strong>REST API</strong></td><td>The <code>/admin/v3/functions</code> endpoint of the admin <a href="https://pulsar.apache.org/admin-rest-api#/">REST</a> |
| API.</td></tr> |
| <tr><td><strong>Java Admin API</strong></td><td>The <code>functions</code> method of the <a href="https://pulsar.apache.org/api/admin/2.4.2/org/apache/pulsar/client/admin/PulsarAdmin">PulsarAdmin</a> |
| object in the <a href="/docs/en/2.4.2/client-libraries-java">Java API</a>.</td></tr> |
| </tbody> |
| </table> |
| <h2><a class="anchor" aria-hidden="true" id="function-resources"></a><a href="#function-resources" 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>Function resources</h2> |
| <p>You can perform the following operations on functions.</p> |
| <h3><a class="anchor" aria-hidden="true" id="create-a-function"></a><a href="#create-a-function" 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>Create a function</h3> |
| <p>You can create a Pulsar function in cluster mode (deploy it on a Pulsar cluster) using Admin CLI, REST API or Java Admin API.</p> |
| <h4><a class="anchor" aria-hidden="true" id="admin-cli"></a><a href="#admin-cli" 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>Admin CLI</h4> |
| <p>Use the <a href="/docs/en/2.4.2/reference-pulsar-admin#functions-create"><code>create</code></a> subcommand.</p> |
| <p><strong>Example</strong></p> |
| <pre><code class="hljs css language-shell"><span class="hljs-meta">$</span><span class="bash"> pulsar-admin <span class="hljs-built_in">functions</span> create \</span> |
| --tenant public \ |
| --namespace default \ |
| --name (the name of Pulsar Functions) \ |
| --inputs test-input-topic \ |
| --output persistent://public/default/test-output-topic \ |
| --classname org.apache.pulsar.functions.api.examples.ExclamationFunction \ |
| --jar /examples/api-examples.jar |
| </code></pre> |
| <h4><a class="anchor" aria-hidden="true" id="rest-api"></a><a href="#rest-api" 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>REST API</h4> |
| <p><a href="https://pulsar.apache.org/functions-rest-api#/admin/v3/functions/:tenant/:namespace/functionName?version=2.4.2&apiVersion=v3"><b>POST</b> <i>/admin/v3/functions/:tenant/:namespace/functionName?version=2.4.2</i></a> |
| </p> |
| <h4><a class="anchor" aria-hidden="true" id="java-admin-api"></a><a href="#java-admin-api" 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>Java Admin API</h4> |
| <pre><code class="hljs css language-java">FunctionConfig functionConfig = <span class="hljs-keyword">new</span> FunctionConfig(); |
| functionConfig.setTenant(tenant); |
| functionConfig.setNamespace(namespace); |
| functionConfig.setName(functionName); |
| functionConfig.setRuntime(FunctionConfig.Runtime.JAVA); |
| functionConfig.setParallelism(<span class="hljs-number">1</span>); |
| functionConfig.setClassName(<span class="hljs-string">"org.apache.pulsar.functions.api.examples.ExclamationFunction"</span>); |
| functionConfig.setProcessingGuarantees(FunctionConfig.ProcessingGuarantees.ATLEAST_ONCE); |
| functionConfig.setTopicsPattern(sourceTopicPattern); |
| functionConfig.setSubName(subscriptionName); |
| functionConfig.setAutoAck(<span class="hljs-keyword">true</span>); |
| functionConfig.setOutput(sinkTopic); |
| admin.functions().createFunction(functionConfig, fileName); |
| </code></pre> |
| <h3><a class="anchor" aria-hidden="true" id="update-a-function"></a><a href="#update-a-function" 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>Update a function</h3> |
| <p>You can update a Pulsar function that has been deployed to a Pulsar cluster using Admin CLI, REST API or Java Admin API.</p> |
| <h4><a class="anchor" aria-hidden="true" id="admin-cli-1"></a><a href="#admin-cli-1" 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>Admin CLI</h4> |
| <p>Use the <a href="/docs/en/2.4.2/reference-pulsar-admin#functions-update"><code>update</code></a> subcommand.</p> |
| <p><strong>Example</strong></p> |
| <pre><code class="hljs css language-shell"><span class="hljs-meta">$</span><span class="bash"> pulsar-admin <span class="hljs-built_in">functions</span> update \</span> |
| --tenant public \ |
| --namespace default \ |
| --name (the name of Pulsar Functions) \ |
| --output persistent://public/default/update-output-topic \ |
| <span class="hljs-meta"> #</span><span class="bash"> other options</span> |
| </code></pre> |
| <h4><a class="anchor" aria-hidden="true" id="rest-admin-api"></a><a href="#rest-admin-api" 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>REST Admin API</h4> |
| <p><a href="https://pulsar.apache.org/functions-rest-api#/admin/v3/functions/:tenant/:namespace/functionName?version=2.4.2&apiVersion=v3"><b>PUT</b> <i>/admin/v3/functions/:tenant/:namespace/functionName?version=2.4.2</i></a> |
| </p> |
| <h4><a class="anchor" aria-hidden="true" id="java-admin-api-1"></a><a href="#java-admin-api-1" 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>Java Admin API</h4> |
| <pre><code class="hljs css language-java">FunctionConfig functionConfig = <span class="hljs-keyword">new</span> FunctionConfig(); |
| functionConfig.setTenant(tenant); |
| functionConfig.setNamespace(namespace); |
| functionConfig.setName(functionName); |
| functionConfig.setRuntime(FunctionConfig.Runtime.JAVA); |
| functionConfig.setParallelism(<span class="hljs-number">1</span>); |
| functionConfig.setClassName(<span class="hljs-string">"org.apache.pulsar.functions.api.examples.ExclamationFunction"</span>); |
| UpdateOptions updateOptions = <span class="hljs-keyword">new</span> UpdateOptions(); |
| updateOptions.setUpdateAuthData(updateAuthData); |
| admin.functions().updateFunction(functionConfig, userCodeFile, updateOptions); |
| </code></pre> |
| <h3><a class="anchor" aria-hidden="true" id="start-an-instance-of-a-function"></a><a href="#start-an-instance-of-a-function" 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>Start an instance of a function</h3> |
| <p>You can start a stopped function instance with <code>instance-id</code> using Admin CLI, REST API or Java Admin API.</p> |
| <h4><a class="anchor" aria-hidden="true" id="admin-cli-2"></a><a href="#admin-cli-2" 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>Admin CLI</h4> |
| <p>Use the <a href="/docs/en/2.4.2/reference-pulsar-admin#functions-start"><code>start</code></a> subcommand.</p> |
| <pre><code class="hljs css language-shell"><span class="hljs-meta">$</span><span class="bash"> pulsar-admin <span class="hljs-built_in">functions</span> start \</span> |
| --tenant public \ |
| --namespace default \ |
| --name (the name of Pulsar Functions) \ |
| --instance-id 1 |
| </code></pre> |
| <h4><a class="anchor" aria-hidden="true" id="rest-api-1"></a><a href="#rest-api-1" 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>REST API</h4> |
| <p><a href="https://pulsar.apache.org/functions-rest-api#/admin/v3/functions/:tenant/:namespace/functionName/:instanceId/start?version=2.4.2&apiVersion=v3"><b>POST</b> <i>/admin/v3/functions/:tenant/:namespace/functionName/:instanceId/start?version=2.4.2</i></a> |
| </p> |
| <h4><a class="anchor" aria-hidden="true" id="java-admin-api-2"></a><a href="#java-admin-api-2" 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>Java Admin API</h4> |
| <pre><code class="hljs css language-java">admin.functions().startFunction(tenant, namespace, functionName, Integer.parseInt(instanceId)); |
| </code></pre> |
| <h3><a class="anchor" aria-hidden="true" id="start-all-instances-of-a-function"></a><a href="#start-all-instances-of-a-function" 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>Start all instances of a function</h3> |
| <p>You can start all stopped function instances using Admin CLI, REST API or Java Admin API.</p> |
| <h4><a class="anchor" aria-hidden="true" id="admin-cli-3"></a><a href="#admin-cli-3" 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>Admin CLI</h4> |
| <p>Use the <a href="/docs/en/2.4.2/reference-pulsar-admin#functions-start"><code>start</code></a> subcommand.</p> |
| <p><strong>Example</strong></p> |
| <pre><code class="hljs css language-shell"><span class="hljs-meta">$</span><span class="bash"> pulsar-admin <span class="hljs-built_in">functions</span> start \</span> |
| --tenant public \ |
| --namespace default \ |
| --name (the name of Pulsar Functions) \ |
| </code></pre> |
| <h4><a class="anchor" aria-hidden="true" id="rest-api-2"></a><a href="#rest-api-2" 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>REST API</h4> |
| <p><a href="https://pulsar.apache.org/functions-rest-api#/admin/v3/functions/:tenant/:namespace/functionName/start?version=2.4.2&apiVersion=v3"><b>POST</b> <i>/admin/v3/functions/:tenant/:namespace/functionName/start?version=2.4.2</i></a> |
| </p> |
| <h4><a class="anchor" aria-hidden="true" id="java"></a><a href="#java" 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>Java</h4> |
| <pre><code class="hljs css language-java">admin.functions().startFunction(tenant, namespace, functionName); |
| </code></pre> |
| <h3><a class="anchor" aria-hidden="true" id="stop-an-instance-of-a-function"></a><a href="#stop-an-instance-of-a-function" 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>Stop an instance of a function</h3> |
| <p>You can stop a function instance with <code>instance-id</code> using Admin CLI, REST API or Java Admin API.</p> |
| <h4><a class="anchor" aria-hidden="true" id="admin-cli-4"></a><a href="#admin-cli-4" 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>Admin CLI</h4> |
| <p>Use the <a href="/docs/en/2.4.2/reference-pulsar-admin#functions-stop"><code>stop</code></a> subcommand.</p> |
| <p><strong>Example</strong></p> |
| <pre><code class="hljs css language-shell"><span class="hljs-meta">$</span><span class="bash"> pulsar-admin <span class="hljs-built_in">functions</span> stop \</span> |
| --tenant public \ |
| --namespace default \ |
| --name (the name of Pulsar Functions) \ |
| --instance-id 1 |
| </code></pre> |
| <h4><a class="anchor" aria-hidden="true" id="rest-api-3"></a><a href="#rest-api-3" 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>REST API</h4> |
| <p><a href="https://pulsar.apache.org/functions-rest-api#/admin/v3/functions/:tenant/:namespace/functionName/:instanceId/stop?version=2.4.2&apiVersion=v3"><b>POST</b> <i>/admin/v3/functions/:tenant/:namespace/functionName/:instanceId/stop?version=2.4.2</i></a> |
| </p> |
| <h4><a class="anchor" aria-hidden="true" id="java-admin-api-3"></a><a href="#java-admin-api-3" 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>Java Admin API</h4> |
| <pre><code class="hljs css language-java">admin.functions().stopFunction(tenant, namespace, functionName, Integer.parseInt(instanceId)); |
| </code></pre> |
| <h3><a class="anchor" aria-hidden="true" id="stop-all-instances-of-a-function"></a><a href="#stop-all-instances-of-a-function" 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>Stop all instances of a function</h3> |
| <p>You can stop all function instances using Admin CLI, REST API or Java Admin API.</p> |
| <h4><a class="anchor" aria-hidden="true" id="admin-cli-5"></a><a href="#admin-cli-5" 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>Admin CLI</h4> |
| <p>Use the <a href="/docs/en/2.4.2/reference-pulsar-admin#functions-stop"><code>stop</code></a> subcommand.</p> |
| <p><strong>Example</strong></p> |
| <pre><code class="hljs css language-shell"><span class="hljs-meta">$</span><span class="bash"> pulsar-admin <span class="hljs-built_in">functions</span> stop \</span> |
| --tenant public \ |
| --namespace default \ |
| --name (the name of Pulsar Functions) \ |
| </code></pre> |
| <h4><a class="anchor" aria-hidden="true" id="rest-api-4"></a><a href="#rest-api-4" 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>REST API</h4> |
| <p><a href="https://pulsar.apache.org/functions-rest-api#/admin/v3/functions/:tenant/:namespace/functionName/stop?version=2.4.2&apiVersion=v3"><b>POST</b> <i>/admin/v3/functions/:tenant/:namespace/functionName/stop?version=2.4.2</i></a> |
| </p> |
| <h4><a class="anchor" aria-hidden="true" id="java-admin-api-4"></a><a href="#java-admin-api-4" 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>Java Admin API</h4> |
| <pre><code class="hljs css language-java">admin.functions().stopFunction(tenant, namespace, functionName); |
| </code></pre> |
| <h3><a class="anchor" aria-hidden="true" id="restart-an-instance-of-a-function"></a><a href="#restart-an-instance-of-a-function" 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>Restart an instance of a function</h3> |
| <p>Restart a function instance with <code>instance-id</code> using Admin CLI, REST API or Java Admin API.</p> |
| <h4><a class="anchor" aria-hidden="true" id="admin-cli-6"></a><a href="#admin-cli-6" 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>Admin CLI</h4> |
| <p>Use the <a href="/docs/en/2.4.2/reference-pulsar-admin#functions-restart"><code>restart</code></a> subcommand.</p> |
| <p><strong>Example</strong></p> |
| <pre><code class="hljs css language-shell"><span class="hljs-meta">$</span><span class="bash"> pulsar-admin <span class="hljs-built_in">functions</span> restart \</span> |
| --tenant public \ |
| --namespace default \ |
| --name (the name of Pulsar Functions) \ |
| --instance-id 1 |
| </code></pre> |
| <h4><a class="anchor" aria-hidden="true" id="rest-api-5"></a><a href="#rest-api-5" 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>REST API</h4> |
| <p><a href="https://pulsar.apache.org/functions-rest-api#/admin/v3/functions/:tenant/:namespace/functionName/:instanceId/restart?version=2.4.2&apiVersion=v3"><b>POST</b> <i>/admin/v3/functions/:tenant/:namespace/functionName/:instanceId/restart?version=2.4.2</i></a> |
| </p> |
| <h4><a class="anchor" aria-hidden="true" id="java-admin-api-5"></a><a href="#java-admin-api-5" 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>Java Admin API</h4> |
| <pre><code class="hljs css language-java">admin.functions().restartFunction(tenant, namespace, functionName, Integer.parseInt(instanceId)); |
| </code></pre> |
| <h3><a class="anchor" aria-hidden="true" id="restart-all-instances-of-a-function"></a><a href="#restart-all-instances-of-a-function" 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>Restart all instances of a function</h3> |
| <p>You can restart all function instances using Admin CLI, REST API or Java admin API.</p> |
| <h4><a class="anchor" aria-hidden="true" id="admin-cli-7"></a><a href="#admin-cli-7" 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>Admin CLI</h4> |
| <p>Use the <a href="/docs/en/2.4.2/reference-pulsar-admin#functions-restart"><code>restart</code></a> subcommand.</p> |
| <p><strong>Example</strong></p> |
| <pre><code class="hljs css language-shell"><span class="hljs-meta">$</span><span class="bash"> pulsar-admin <span class="hljs-built_in">functions</span> restart \</span> |
| --tenant public \ |
| --namespace default \ |
| --name (the name of Pulsar Functions) \ |
| </code></pre> |
| <h4><a class="anchor" aria-hidden="true" id="rest-api-6"></a><a href="#rest-api-6" 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>REST API</h4> |
| <p><a href="https://pulsar.apache.org/functions-rest-api#/admin/v3/functions/:tenant/:namespace/functionName/restart?version=2.4.2&apiVersion=v3"><b>POST</b> <i>/admin/v3/functions/:tenant/:namespace/functionName/restart?version=2.4.2</i></a> |
| </p> |
| <h4><a class="anchor" aria-hidden="true" id="java-admin-api-6"></a><a href="#java-admin-api-6" 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>Java Admin API</h4> |
| <pre><code class="hljs css language-java">admin.functions().restartFunction(tenant, namespace, functionName); |
| </code></pre> |
| <h3><a class="anchor" aria-hidden="true" id="list-all-functions"></a><a href="#list-all-functions" 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>List all functions</h3> |
| <p>You can list all Pulsar functions running under a specific tenant and namespace using Admin CLI, REST API or Java Admin API.</p> |
| <h4><a class="anchor" aria-hidden="true" id="admin-cli-8"></a><a href="#admin-cli-8" 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>Admin CLI</h4> |
| <p>Use the <a href="/docs/en/2.4.2/reference-pulsar-admin#functions-list"><code>list</code></a> subcommand.</p> |
| <p><strong>Example</strong></p> |
| <pre><code class="hljs css language-shell"><span class="hljs-meta">$</span><span class="bash"> pulsar-admin <span class="hljs-built_in">functions</span> list \</span> |
| --tenant public \ |
| --namespace default |
| </code></pre> |
| <h4><a class="anchor" aria-hidden="true" id="rest-api-7"></a><a href="#rest-api-7" 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>REST API</h4> |
| <p><a href="https://pulsar.apache.org/functions-rest-api#/admin/v3/functions/:tenant/:namespace?version=2.4.2&apiVersion=v3"><b>GET</b> <i>/admin/v3/functions/:tenant/:namespace?version=2.4.2</i></a> |
| </p> |
| <h4><a class="anchor" aria-hidden="true" id="java-admin-api-7"></a><a href="#java-admin-api-7" 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>Java Admin API</h4> |
| <pre><code class="hljs css language-java">admin.functions().getFunctions(tenant, namespace); |
| </code></pre> |
| <h3><a class="anchor" aria-hidden="true" id="delete-a-function"></a><a href="#delete-a-function" 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>Delete a function</h3> |
| <p>You can delete a Pulsar function that is running on a Pulsar cluster using Admin CLI, REST API or Java Admin API.</p> |
| <h4><a class="anchor" aria-hidden="true" id="admin-cli-9"></a><a href="#admin-cli-9" 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>Admin CLI</h4> |
| <p>Use the <a href="/docs/en/2.4.2/reference-pulsar-admin#functions-delete"><code>delete</code></a> subcommand.</p> |
| <p><strong>Example</strong></p> |
| <pre><code class="hljs css language-shell"><span class="hljs-meta">$</span><span class="bash"> pulsar-admin <span class="hljs-built_in">functions</span> delete \</span> |
| --tenant public \ |
| --namespace default \ |
| --name (the name of Pulsar Functions) |
| </code></pre> |
| <h4><a class="anchor" aria-hidden="true" id="rest-api-8"></a><a href="#rest-api-8" 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>REST API</h4> |
| <p><a href="https://pulsar.apache.org/functions-rest-api#/admin/v3/functions/:tenant/:namespace/functionName?version=2.4.2&apiVersion=v3"><b>DELETE</b> <i>/admin/v3/functions/:tenant/:namespace/functionName?version=2.4.2</i></a> |
| </p> |
| <h4><a class="anchor" aria-hidden="true" id="java-admin-api-8"></a><a href="#java-admin-api-8" 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>Java Admin API</h4> |
| <pre><code class="hljs css language-java">admin.functions().deleteFunction(tenant, namespace, functionName); |
| </code></pre> |
| <h3><a class="anchor" aria-hidden="true" id="get-info-about-a-function"></a><a href="#get-info-about-a-function" 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>Get info about a function</h3> |
| <p>You can get information about a Pulsar function currently running in cluster mode using Admin CLI, REST API or Java Admin API.</p> |
| <h4><a class="anchor" aria-hidden="true" id="admin-cli-10"></a><a href="#admin-cli-10" 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>Admin CLI</h4> |
| <p>Use the <a href="/docs/en/2.4.2/reference-pulsar-admin#functions-get"><code>get</code></a> subcommand.</p> |
| <p><strong>Example</strong></p> |
| <pre><code class="hljs css language-shell"><span class="hljs-meta">$</span><span class="bash"> pulsar-admin <span class="hljs-built_in">functions</span> get \</span> |
| --tenant public \ |
| --namespace default \ |
| --name (the name of Pulsar Functions) |
| </code></pre> |
| <h4><a class="anchor" aria-hidden="true" id="rest-api-9"></a><a href="#rest-api-9" 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>REST API</h4> |
| <p><a href="https://pulsar.apache.org/functions-rest-api#/admin/v3/functions/:tenant/:namespace/functionName?version=2.4.2&apiVersion=v3"><b>GET</b> <i>/admin/v3/functions/:tenant/:namespace/functionName?version=2.4.2</i></a> |
| </p> |
| <h4><a class="anchor" aria-hidden="true" id="java-admin-api-9"></a><a href="#java-admin-api-9" 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>Java Admin API</h4> |
| <pre><code class="hljs css language-java">admin.functions().getFunction(tenant, namespace, functionName); |
| </code></pre> |
| <h3><a class="anchor" aria-hidden="true" id="get-status-of-an-instance-of-a-function"></a><a href="#get-status-of-an-instance-of-a-function" 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>Get status of an instance of a function</h3> |
| <p>You can get the current status of a Pulsar function instance with <code>instance-id</code> using Admin CLI, REST API or Java Admin API.</p> |
| <h4><a class="anchor" aria-hidden="true" id="admin-cli-11"></a><a href="#admin-cli-11" 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>Admin CLI</h4> |
| <p>Use the <a href="/docs/en/2.4.2/reference-pulsar-admin#functions-status"><code>status</code></a> subcommand.</p> |
| <p><strong>Example</strong></p> |
| <pre><code class="hljs css language-shell"><span class="hljs-meta">$</span><span class="bash"> pulsar-admin <span class="hljs-built_in">functions</span> status \</span> |
| --tenant public \ |
| --namespace default \ |
| --name (the name of Pulsar Functions) \ |
| --instance-id 1 |
| </code></pre> |
| <h4><a class="anchor" aria-hidden="true" id="rest-api-10"></a><a href="#rest-api-10" 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>REST API</h4> |
| <p><a href="https://pulsar.apache.org/functions-rest-api#/admin/v3/functions/:tenant/:namespace/functionName/:instanceId/status?version=2.4.2&apiVersion=v3"><b>GET</b> <i>/admin/v3/functions/:tenant/:namespace/functionName/:instanceId/status?version=2.4.2</i></a> |
| </p> |
| <h4><a class="anchor" aria-hidden="true" id="java-admin-api-10"></a><a href="#java-admin-api-10" 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>Java Admin API</h4> |
| <pre><code class="hljs css language-java">admin.functions().getFunctionStatus(tenant, namespace, functionName, Integer.parseInt(instanceId)); |
| </code></pre> |
| <h3><a class="anchor" aria-hidden="true" id="get-status-of-all-instances-of-a-function"></a><a href="#get-status-of-all-instances-of-a-function" 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>Get status of all instances of a function</h3> |
| <p>You can get the current status of a Pulsar function instance using Admin CLI, REST API or Java Admin API.</p> |
| <h4><a class="anchor" aria-hidden="true" id="admin-cli-12"></a><a href="#admin-cli-12" 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>Admin CLI</h4> |
| <p>Use the <a href="/docs/en/2.4.2/reference-pulsar-admin#functions-status"><code>status</code></a> subcommand.</p> |
| <p><strong>Example</strong></p> |
| <pre><code class="hljs css language-shell"><span class="hljs-meta">$</span><span class="bash"> pulsar-admin <span class="hljs-built_in">functions</span> status \</span> |
| --tenant public \ |
| --namespace default \ |
| --name (the name of Pulsar Functions) |
| </code></pre> |
| <h4><a class="anchor" aria-hidden="true" id="rest-api-11"></a><a href="#rest-api-11" 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>REST API</h4> |
| <p><a href="https://pulsar.apache.org/functions-rest-api#/admin/v3/functions/:tenant/:namespace/functionName/status?version=2.4.2&apiVersion=v3"><b>GET</b> <i>/admin/v3/functions/:tenant/:namespace/functionName/status?version=2.4.2</i></a> |
| </p> |
| <h4><a class="anchor" aria-hidden="true" id="java-admin-api-11"></a><a href="#java-admin-api-11" 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>Java Admin API</h4> |
| <pre><code class="hljs css language-java">admin.functions().getFunctionStatus(tenant, namespace, functionName); |
| </code></pre> |
| <h3><a class="anchor" aria-hidden="true" id="get-stats-of-an-instance-of-a-function"></a><a href="#get-stats-of-an-instance-of-a-function" 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>Get stats of an instance of a function</h3> |
| <p>You can get the current stats of a Pulsar Function instance with <code>instance-id</code> using Admin CLI, REST API or Java admin API.</p> |
| <h4><a class="anchor" aria-hidden="true" id="admin-cli-13"></a><a href="#admin-cli-13" 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>Admin CLI</h4> |
| <p>Use the <a href="/docs/en/2.4.2/reference-pulsar-admin#functions-stats"><code>stats</code></a> subcommand.</p> |
| <p><strong>Example</strong></p> |
| <pre><code class="hljs css language-shell"><span class="hljs-meta">$</span><span class="bash"> pulsar-admin <span class="hljs-built_in">functions</span> stats \</span> |
| --tenant public \ |
| --namespace default \ |
| --name (the name of Pulsar Functions) \ |
| --instance-id 1 |
| </code></pre> |
| <h4><a class="anchor" aria-hidden="true" id="rest-api-12"></a><a href="#rest-api-12" 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>REST API</h4> |
| <p><a href="https://pulsar.apache.org/functions-rest-api#/admin/v3/functions/:tenant/:namespace/functionName/:instanceId/stats?version=2.4.2&apiVersion=v3"><b>GET</b> <i>/admin/v3/functions/:tenant/:namespace/functionName/:instanceId/stats?version=2.4.2</i></a> |
| </p> |
| <h4><a class="anchor" aria-hidden="true" id="java-admin-api-12"></a><a href="#java-admin-api-12" 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>Java Admin API</h4> |
| <pre><code class="hljs css language-java">admin.functions().getFunctionStats(tenant, namespace, functionName, Integer.parseInt(instanceId)); |
| </code></pre> |
| <h3><a class="anchor" aria-hidden="true" id="get-stats-of-all-instances-of-a-function"></a><a href="#get-stats-of-all-instances-of-a-function" 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>Get stats of all instances of a function</h3> |
| <p>You can get the current stats of a Pulsar function using Admin CLI, REST API or Java admin API.</p> |
| <h4><a class="anchor" aria-hidden="true" id="admin-cli-14"></a><a href="#admin-cli-14" 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>Admin CLI</h4> |
| <p>Use the <a href="/docs/en/2.4.2/reference-pulsar-admin#functions-stats"><code>stats</code></a> subcommand.</p> |
| <p><strong>Example</strong></p> |
| <pre><code class="hljs css language-shell"><span class="hljs-meta">$</span><span class="bash"> pulsar-admin <span class="hljs-built_in">functions</span> stats \</span> |
| --tenant public \ |
| --namespace default \ |
| --name (the name of Pulsar Functions) |
| </code></pre> |
| <h4><a class="anchor" aria-hidden="true" id="rest-api-13"></a><a href="#rest-api-13" 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>REST API</h4> |
| <p><a href="https://pulsar.apache.org/functions-rest-api#/admin/v3/functions/:tenant/:namespace/functionName/stats?version=2.4.2&apiVersion=v3"><b>GET</b> <i>/admin/v3/functions/:tenant/:namespace/functionName/stats?version=2.4.2</i></a> |
| </p> |
| <h4><a class="anchor" aria-hidden="true" id="java-admin-api-13"></a><a href="#java-admin-api-13" 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>Java Admin API</h4> |
| <pre><code class="hljs css language-java">admin.functions().getFunctionStats(tenant, namespace, functionName); |
| </code></pre> |
| <h3><a class="anchor" aria-hidden="true" id="trigger-a-function"></a><a href="#trigger-a-function" 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>Trigger a function</h3> |
| <p>You can trigger a specified Pulsar function with a supplied value using Admin CLI, REST API or Java admin API.</p> |
| <h4><a class="anchor" aria-hidden="true" id="admin-cli-15"></a><a href="#admin-cli-15" 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>Admin CLI</h4> |
| <p>Use the <a href="/docs/en/2.4.2/reference-pulsar-admin#functions-trigger"><code>trigger</code></a> subcommand.</p> |
| <p><strong>Example</strong></p> |
| <pre><code class="hljs css language-shell"><span class="hljs-meta">$</span><span class="bash"> pulsar-admin <span class="hljs-built_in">functions</span> trigger \</span> |
| --tenant public \ |
| --namespace default \ |
| --name (the name of Pulsar Functions) \ |
| --topic (the name of input topic) \ |
| --trigger-value \"hello pulsar\" |
| <span class="hljs-meta"> #</span><span class="bash"> or --trigger-file (the path of trigger file)</span> |
| </code></pre> |
| <h4><a class="anchor" aria-hidden="true" id="rest-api-14"></a><a href="#rest-api-14" 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>REST API</h4> |
| <p><a href="https://pulsar.apache.org/functions-rest-api#/admin/v3/functions/:tenant/:namespace/functionName/trigger?version=2.4.2&apiVersion=v3"><b>POST</b> <i>/admin/v3/functions/:tenant/:namespace/functionName/trigger?version=2.4.2</i></a> |
| </p> |
| <h4><a class="anchor" aria-hidden="true" id="java-admin-api-14"></a><a href="#java-admin-api-14" 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>Java Admin API</h4> |
| <pre><code class="hljs css language-java">admin.functions().triggerFunction(tenant, namespace, functionName, topic, triggerValue, triggerFile); |
| </code></pre> |
| <h3><a class="anchor" aria-hidden="true" id="put-state-associated-with-a-function"></a><a href="#put-state-associated-with-a-function" 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>Put state associated with a function</h3> |
| <p>You can put the state associated with a Pulsar function using Admin CLI, REST API or Java admin API.</p> |
| <h4><a class="anchor" aria-hidden="true" id="admin-cli-16"></a><a href="#admin-cli-16" 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>Admin CLI</h4> |
| <p>Use the <a href="/docs/en/2.4.2/reference-pulsar-admin#functions-putstate"><code>putstate</code></a> subcommand.</p> |
| <p><strong>Example</strong></p> |
| <pre><code class="hljs css language-shell"><span class="hljs-meta">$</span><span class="bash"> pulsar-admin <span class="hljs-built_in">functions</span> putstate \</span> |
| --tenant public \ |
| --namespace default \ |
| --name (the name of Pulsar Functions) \ |
| --state "{\"key\":\"pulsar\", \"stringValue\":\"hello pulsar\"}" |
| </code></pre> |
| <h4><a class="anchor" aria-hidden="true" id="rest-api-15"></a><a href="#rest-api-15" 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>REST API</h4> |
| <p><a href="https://pulsar.apache.org/functions-rest-api#/admin/v3/functions/:tenant/:namespace/functionName/state/:key?version=2.4.2&apiVersion=v3"><b>POST</b> <i>/admin/v3/functions/:tenant/:namespace/functionName/state/:key?version=2.4.2</i></a> |
| </p> |
| <h4><a class="anchor" aria-hidden="true" id="java-admin-api-15"></a><a href="#java-admin-api-15" 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>Java Admin API</h4> |
| <pre><code class="hljs css language-java">TypeReference<FunctionState> typeRef = <span class="hljs-keyword">new</span> TypeReference<FunctionState>() {}; |
| FunctionState stateRepr = ObjectMapperFactory.getThreadLocal().readValue(state, typeRef); |
| admin.functions().putFunctionState(tenant, namespace, functionName, stateRepr); |
| </code></pre> |
| <h3><a class="anchor" aria-hidden="true" id="fetch-state-associated-with-a-function"></a><a href="#fetch-state-associated-with-a-function" 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>Fetch state associated with a function</h3> |
| <p>You can fetch the current state associated with a Pulsar function using Admin CLI, REST API or Java admin API.</p> |
| <h4><a class="anchor" aria-hidden="true" id="admin-cli-17"></a><a href="#admin-cli-17" 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>Admin CLI</h4> |
| <p>Use the <a href="/docs/en/2.4.2/reference-pulsar-admin#functions-querystate"><code>querystate</code></a> subcommand.</p> |
| <p><strong>Example</strong></p> |
| <pre><code class="hljs css language-shell"><span class="hljs-meta">$</span><span class="bash"> pulsar-admin <span class="hljs-built_in">functions</span> querystate \</span> |
| --tenant public \ |
| --namespace default \ |
| --name (the name of Pulsar Functions) \ |
| --key (the key of state) |
| </code></pre> |
| <h4><a class="anchor" aria-hidden="true" id="rest-api-16"></a><a href="#rest-api-16" 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>REST API</h4> |
| <p><a href="https://pulsar.apache.org/functions-rest-api#/admin/v3/functions/:tenant/:namespace/functionName/state/:key?version=2.4.2&apiVersion=v3"><b>GET</b> <i>/admin/v3/functions/:tenant/:namespace/functionName/state/:key?version=2.4.2</i></a> |
| </p> |
| <h4><a class="anchor" aria-hidden="true" id="java-admin-cli"></a><a href="#java-admin-cli" 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>Java Admin CLI</h4> |
| <pre><code class="hljs css language-java">admin.functions().getFunctionState(tenant, namespace, functionName, key); |
| </code></pre> |
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