<!DOCTYPE html><html lang="en"><head><meta charSet="utf-8"/><meta http-equiv="X-UA-Compatible" content="IE=edge"/><title>Upgrade a Pulsar Helm release · Apache Pulsar</title><meta name="viewport" content="width=device-width, initial-scale=1.0"/><meta name="generator" content="Docusaurus"/><meta name="description" content="Before upgrading your Pulsar installation, you need to check the changelog corresponding to the specific release you want to upgrade"/><meta name="docsearch:version" content="2.5.0"/><meta name="docsearch:language" content="en"/><meta property="og:title" content="Upgrade a Pulsar Helm release · Apache Pulsar"/><meta property="og:type" content="website"/><meta property="og:url" content="https://pulsar.apache.org/"/><meta property="og:description" content="Before upgrading your Pulsar installation, you need to check the changelog corresponding to the specific release you want to upgrade"/><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>2.5.0</h3></a><div class="navigationWrapper navigationSlider"><nav class="slidingNav"><ul class="nav-site nav-site-internal"><li class="siteNavGroupActive"><a href="/docs/en/2.5.0/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/2.5.0/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/2.5.0/helm-upgrade">日本語</a></li><li><a href="/docs/fr/2.5.0/helm-upgrade">Français</a></li><li><a href="/docs/ko/2.5.0/helm-upgrade">한국어</a></li><li><a href="/docs/zh-CN/2.5.0/helm-upgrade">中文</a></li><li><a href="/docs/zh-TW/2.5.0/helm-upgrade">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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to and look for any release notes that might pertain to the new Pulsar chart version.</p>
<p>We also recommend that you need to provide all values using <code>helm upgrade --set key=value</code> syntax or <code>-f values.yml</code> instead of using <code>--reuse-values</code> because some of the current values might be deprecated.</p>
<blockquote>
<p><strong>NOTE</strong>:</p>
<p>You can retrieve your previous <code>--set</code> arguments cleanly, with <code>helm get values &lt;release-name&gt;</code>. If you direct this into a file (<code>helm get values &lt;release-name&gt; &gt; pulsar.yml</code>), you can safely
pass this file via <code>-f</code>. Thus <code>helm upgrade &lt;release-name&gt; charts/pulsar -f pulsar.yaml</code>. This safely replaces the behavior of <code>--reuse-values</code>.</p>
</blockquote>
<h2><a class="anchor" aria-hidden="true" id="steps"></a><a href="#steps" 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>Steps</h2>
<p>The following are the steps to upgrade Apache Pulsar to a newer version:</p>
<ol>
<li>Check the change log for the specific version you would like to upgrade to</li>
<li>Go through <a href="/docs/en/2.5.0/helm-deploy">deployment documentation</a> step by step</li>
<li>Extract your previous <code>--set</code> arguments with
<pre><code class="hljs css language-bash">helm get values &lt;release-name&gt; &gt; pulsar.yaml
</code></pre></li>
<li>Decide on all the values you need to set</li>
<li>Perform the upgrade, with all <code>--set</code> arguments extracted in step 4
<pre><code class="hljs css language-bash">helm upgrade &lt;release-name&gt; charts/pulsar \
    --version &lt;new version&gt; \
    -f pulsar.yaml \
    --<span class="hljs-built_in">set</span> ...
</code></pre></li>
</ol>
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