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itemtype="https://schema.org/BreadcrumbList"><li class="breadcrumbs__item"><a aria-label="Home page" class="breadcrumbs__link" href="/"><svg viewBox="0 0 24 24" class="breadcrumbHomeIcon_YNFT"><path d="M10 19v-5h4v5c0 .55.45 1 1 1h3c.55 0 1-.45 1-1v-7h1.7c.46 0 .68-.57.33-.87L12.67 3.6c-.38-.34-.96-.34-1.34 0l-8.36 7.53c-.34.3-.13.87.33.87H5v7c0 .55.45 1 1 1h3c.55 0 1-.45 1-1z" fill="currentColor"></path></svg></a></li><li class="breadcrumbs__item"><span class="breadcrumbs__link">Admin API</span><meta itemprop="position" content="1"></li><li itemscope="" itemprop="itemListElement" itemtype="https://schema.org/ListItem" class="breadcrumbs__item breadcrumbs__item--active"><span class="breadcrumbs__link" itemprop="name">Get started</span><meta itemprop="position" content="2"></li></ul></nav><div class="tocCollapsible_ETCw theme-doc-toc-mobile tocMobile_ITEo"><button type="button" class="clean-btn tocCollapsibleButton_TO0P">On this page</button></div><div class="theme-doc-markdown markdown"><header><h1>Get started</h1></header><p>This guide walks you through the quickest way to get started with the following methods to manage topics. </p><div class="tabs-container tabList__CuJ"><ul role="tablist" aria-orientation="horizontal" class="tabs"><li role="tab" tabindex="0" aria-selected="true" class="tabs__item tabItem_LNqP tabs__item--active">pulsar-admin</li><li role="tab" tabindex="-1" aria-selected="false" class="tabs__item tabItem_LNqP">REST API</li><li role="tab" tabindex="-1" aria-selected="false" class="tabs__item tabItem_LNqP">Java</li></ul><div class="margin-top--md"><div role="tabpanel" class="tabItem_Ymn6"><p><a href="/reference/#/3.0.x/pulsar-admin/" target="_blank" rel="noopener noreferrer">pulsar-admin CLI</a>: it’s a command-line tool and is available in the bin folder of your Pulsar installation.</p></div><div role="tabpanel" class="tabItem_Ymn6" hidden=""><p><a href="/admin-rest-api/?version=3.0.4" target="_blank" rel="noopener noreferrer">REST API</a>: HTTP calls, which are made against the admin APIs provided by brokers. In addition, both the Java admin API and pulsar-admin CLI use the REST API.</p></div><div role="tabpanel" class="tabItem_Ymn6" hidden=""><p><a href="https://pulsar.apache.org/api/admin/3.0.x/" target="_blank" rel="noopener noreferrer">Java admin API</a>: it’s a programmable interface written in Java.</p></div></div></div><p>Check the detailed steps below.</p><div class="tabs-container tabList__CuJ"><ul role="tablist" aria-orientation="horizontal" class="tabs"><li role="tab" tabindex="0" aria-selected="true" class="tabs__item tabItem_LNqP tabs__item--active">pulsar-admin</li><li role="tab" tabindex="-1" aria-selected="false" class="tabs__item tabItem_LNqP">REST API</li><li role="tab" tabindex="-1" aria-selected="false" class="tabs__item tabItem_LNqP">Java</li></ul><div class="margin-top--md"><div role="tabpanel" class="tabItem_Ymn6"><p>This tutorial guides you through every step of using pulsar-admin CLI to manage topics. It includes the following steps:</p><ol><li><p>Set the service URL.</p></li><li><p>Create a partitioned topic.</p></li><li><p>Update the number of a partition.</p></li><li><p>Produce messages to the topic.</p></li><li><p>Check the stats of the topic.</p></li><li><p>Delete the topic. </p></li></ol><p><strong>Prerequisites</strong></p><ul><li>Install and start Pulsar standalone. This tutorial runs Pulsar 2.11 as an example.</li></ul><p><strong>Steps</strong></p><ol><li><p>Set the service URLs to point to the broker service in <a href="https://github.com/apache/pulsar/blob/master/conf/client.conf" target="_blank" rel="noopener noreferrer">client.conf</a>.</p><div class="language-bash codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-bash codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#F8F8F2"><span class="token assign-left variable" style="color:rgb(189, 147, 249);font-style:italic">webServiceUrl</span><span class="token operator">=</span><span class="token plain">http://localhost:8080/</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token assign-left variable" style="color:rgb(189, 147, 249);font-style:italic">brokerServiceUrl</span><span class="token operator">=</span><span class="token plain">pulsar://localhost:6650/</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg class="copyButtonIcon_y97N" viewBox="0 0 24 24"><path d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg class="copyButtonSuccessIcon_LjdS" viewBox="0 0 24 24"><path d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div></li><li><p>Create a persistent topic named <em>test-topic-1</em> with 6 partitions.</p><p><strong>Input</strong></p><div class="language-bash codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-bash codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#F8F8F2"><span class="token plain">bin/pulsar-admin topics create-partitioned-topic </span><span class="token punctuation" style="color:rgb(248, 248, 242)">\</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">persistent://public/default/test-topic-1 </span><span class="token punctuation" style="color:rgb(248, 248, 242)">\</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">--partitions </span><span class="token number">6</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg class="copyButtonIcon_y97N" viewBox="0 0 24 24"><path d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg class="copyButtonSuccessIcon_LjdS" viewBox="0 0 24 24"><path d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div><p><strong>Output</strong></p><p>There is no output. You can check the status of the topic in Step 5.</p></li><li><p>Update the number of the partition to 8.</p><p><strong>Input</strong></p><div class="language-bash codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-bash codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#F8F8F2"><span class="token plain">bin/pulsar-admin topics update-partitioned-topic </span><span class="token punctuation" style="color:rgb(248, 248, 242)">\</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">persistent://public/default/test-topic-1 </span><span class="token punctuation" style="color:rgb(248, 248, 242)">\</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">--partitions </span><span class="token number">8</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg class="copyButtonIcon_y97N" viewBox="0 0 24 24"><path d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg class="copyButtonSuccessIcon_LjdS" viewBox="0 0 24 24"><path d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div><p><strong>Output</strong></p><p>There is no output. You can check the number of partitions in Step 5.</p></li><li><p>Produce some messages to the partitioned topic <em>test-topic-1</em>.</p><p><strong>Input</strong></p><div class="language-bash codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-bash codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#F8F8F2"><span class="token plain">bin/pulsar-perf produce -u pulsar://localhost:6650 -r </span><span class="token number">1000</span><span class="token plain"> -i </span><span class="token number">1000</span><span class="token plain"> persistent://public/default/test-topic-1</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg class="copyButtonIcon_y97N" viewBox="0 0 24 24"><path d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg class="copyButtonSuccessIcon_LjdS" viewBox="0 0 24 24"><path d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div><p><strong>Output</strong></p><div class="language-bash codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-bash codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#F8F8F2"><span class="token number">2023</span><span class="token plain">-03-07T15:33:56,832+0800 </span><span class="token punctuation" style="color:rgb(248, 248, 242)">[</span><span class="token plain">main</span><span class="token punctuation" style="color:rgb(248, 248, 242)">]</span><span class="token plain"> INFO  org.apache.pulsar.testclient.PerformanceProducer - Starting Pulsar perf producer with config: </span><span class="token punctuation" style="color:rgb(248, 248, 242)">{</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">  </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;confFile&quot;</span><span class="token plain"> </span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;/Users/yu/apache-pulsar-2.11.0/conf/client.conf&quot;</span><span class="token plain">,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">  </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;serviceURL&quot;</span><span class="token plain"> </span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;pulsar://localhost:6650&quot;</span><span class="token plain">,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">  </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;authPluginClassName&quot;</span><span class="token plain"> </span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;&quot;</span><span class="token plain">,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">  </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;authParams&quot;</span><span class="token plain"> </span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;&quot;</span><span class="token plain">,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">  </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;tlsTrustCertsFilePath&quot;</span><span class="token plain"> </span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;&quot;</span><span class="token plain">,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">  </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;tlsAllowInsecureConnection&quot;</span><span class="token plain"> </span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token plain"> false,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">  </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;tlsHostnameVerificationEnable&quot;</span><span class="token plain"> </span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token plain"> false,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">  </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;maxConnections&quot;</span><span class="token plain"> </span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token plain"> </span><span class="token number">1</span><span class="token plain">,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">  </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;statsIntervalSeconds&quot;</span><span class="token plain"> </span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token plain"> </span><span class="token number">1000</span><span class="token plain">,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">  </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;ioThreads&quot;</span><span class="token plain"> </span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token plain"> </span><span class="token number">1</span><span class="token plain">,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">  </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;enableBusyWait&quot;</span><span class="token plain"> </span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token plain"> false,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">  </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;listenerName&quot;</span><span class="token plain"> </span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token plain"> null,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">  </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;listenerThreads&quot;</span><span class="token plain"> </span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token plain"> </span><span class="token number">1</span><span class="token plain">,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">  </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;maxLookupRequest&quot;</span><span class="token plain"> </span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token plain"> </span><span class="token number">50000</span><span class="token plain">,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">  </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;topics&quot;</span><span class="token plain"> </span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(248, 248, 242)">[</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;persistent://public/default/test-topic-1&quot;</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(248, 248, 242)">]</span><span class="token plain">,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">  </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;numTestThreads&quot;</span><span class="token plain"> </span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token plain"> </span><span class="token number">1</span><span class="token plain">,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">  </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;msgRate&quot;</span><span class="token plain"> </span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token plain"> </span><span class="token number">1000</span><span class="token plain">,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">  </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;msgSize&quot;</span><span class="token plain"> </span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token plain"> </span><span class="token number">1024</span><span class="token plain">,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">  </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;numTopics&quot;</span><span class="token plain"> </span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token plain"> </span><span class="token number">1</span><span class="token plain">,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token string" style="color:rgb(255, 121, 198)">&quot;numProducers&quot;</span><span class="token plain"> </span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token plain"> </span><span class="token number">1</span><span class="token plain">,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">  </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;separator&quot;</span><span class="token plain"> </span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;-&quot;</span><span class="token plain">,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">  </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;sendTimeout&quot;</span><span class="token plain"> </span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token plain"> </span><span class="token number">0</span><span class="token plain">,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">  </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;producerName&quot;</span><span class="token plain"> </span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token plain"> null,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">  </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;adminURL&quot;</span><span class="token plain"> </span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;http://localhost:8080/&quot;</span><span class="token plain">,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain" style="display:inline-block"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token punctuation" style="color:rgb(248, 248, 242)">..</span><span class="token plain">.</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain" style="display:inline-block"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token number">2023</span><span class="token plain">-03-07T15:35:03,769+0800 </span><span class="token punctuation" style="color:rgb(248, 248, 242)">[</span><span class="token plain">Thread-0</span><span class="token punctuation" style="color:rgb(248, 248, 242)">]</span><span class="token plain"> INFO  org.apache.pulsar.testclient.PerformanceProducer - Aggregated latency stats --- Latency: mean:   </span><span class="token number">8.931</span><span class="token plain"> ms - med:   </span><span class="token number">3.775</span><span class="token plain"> - 95pct:  </span><span class="token number">32.144</span><span class="token plain"> - 99pct:  </span><span class="token number">98.432</span><span class="token plain"> - </span><span class="token number">99</span><span class="token plain">.9pct: </span><span class="token number">216.088</span><span class="token plain"> - </span><span class="token number">99</span><span class="token plain">.99pct: </span><span class="token number">304.807</span><span class="token plain"> - </span><span class="token number">99</span><span class="token plain">.999pct: </span><span class="token number">349.391</span><span class="token plain"> - Max: </span><span class="token number">351.235</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg class="copyButtonIcon_y97N" viewBox="0 0 24 24"><path d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg class="copyButtonSuccessIcon_LjdS" viewBox="0 0 24 24"><path d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div></li><li><p>Check the internal stats of the partitioned topic <em>test-topic-1</em>.</p><p><strong>Input</strong></p><div class="language-bash codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-bash codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#F8F8F2"><span class="token plain">bin/pulsar-admin topics partitioned-stats-internal </span><span class="token punctuation" style="color:rgb(248, 248, 242)">\</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">persistent://public/default/test-topic-1</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg class="copyButtonIcon_y97N" viewBox="0 0 24 24"><path d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg class="copyButtonSuccessIcon_LjdS" viewBox="0 0 24 24"><path d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div><p><strong>Output</strong></p><p>Below is a part of the output. For detailed explanations of topic stats, see Pulsar statistics.</p><div class="language-bash codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-bash codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#F8F8F2"><span class="token punctuation" style="color:rgb(248, 248, 242)">{</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">  </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;metadata&quot;</span><span class="token plain"> </span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(248, 248, 242)">{</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;partitions&quot;</span><span class="token plain"> </span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token plain"> </span><span class="token number">8</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">  </span><span class="token punctuation" style="color:rgb(248, 248, 242)">}</span><span class="token plain">,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">  </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;partitions&quot;</span><span class="token plain"> </span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(248, 248, 242)">{</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;persistent://public/default/test-topic-1-partition-1&quot;</span><span class="token plain"> </span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(248, 248, 242)">{</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">      </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;entriesAddedCounter&quot;</span><span class="token plain"> </span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token plain"> </span><span class="token number">4213</span><span class="token plain">,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">      </span><span class="token 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249)">:</span><span class="token plain"> </span><span class="token number">4212</span><span class="token plain">,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">      </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;currentLedgerSize&quot;</span><span class="token plain"> </span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token plain"> </span><span class="token number">8806289</span><span class="token plain">,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">      </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;lastLedgerCreatedTimestamp&quot;</span><span class="token plain"> </span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;2023-03-07T15:33:59.367+08:00&quot;</span><span class="token plain">,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">      </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;waitingCursorsCount&quot;</span><span class="token plain"> </span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token plain"> </span><span class="token number">0</span><span class="token plain">,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">      </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;pendingAddEntriesCount&quot;</span><span class="token plain"> </span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token plain"> </span><span class="token number">0</span><span class="token plain">,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">      </span><span class="token string" style="color:rgb(255, 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style="color:rgb(189, 147, 249)">:</span><span class="token plain"> </span><span class="token number">1</span><span class="token plain">,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">        </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;size&quot;</span><span class="token plain"> </span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token plain"> </span><span class="token number">11404</span><span class="token plain">,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">        </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;offloaded&quot;</span><span class="token plain"> </span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token plain"> false,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">        </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;underReplicated&quot;</span><span class="token plain"> </span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token plain"> </span><span class="token boolean">false</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">      </span><span class="token punctuation" style="color:rgb(248, 248, 242)">}</span><span class="token plain">, </span><span class="token punctuation" style="color:rgb(248, 248, 242)">{</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">        </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;ledgerId&quot;</span><span class="token plain"> </span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token plain"> </span><span class="token number">65</span><span class="token plain">,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">        </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;entries&quot;</span><span class="token plain"> </span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token plain"> </span><span class="token number">0</span><span class="token plain">,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">        </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;size&quot;</span><span class="token plain"> </span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token plain"> </span><span class="token number">0</span><span class="token plain">,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">        </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;offloaded&quot;</span><span class="token plain"> </span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token plain"> false,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">        </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;underReplicated&quot;</span><span class="token plain"> </span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token plain"> </span><span class="token boolean">false</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">      </span><span class="token punctuation" style="color:rgb(248, 248, 242)">}</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(248, 248, 242)">]</span><span class="token plain">,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">      </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;cursors&quot;</span><span class="token plain"> </span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(248, 248, 242)">{</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">        </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;test-subscriptio-1&quot;</span><span class="token plain"> </span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(248, 248, 242)">{</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">          </span><span class="token string" style="color:rgb(255, 121, 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style="color:#F8F8F2"><span class="token plain">          </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;cursorLedger&quot;</span><span class="token plain"> </span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token plain"> -1,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">          </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;cursorLedgerLastEntry&quot;</span><span class="token plain"> </span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token plain"> -1,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">  </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;individuallyDeletedMessages&quot;</span><span class="token plain"> </span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;[]&quot;</span><span class="token plain">,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">          </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;lastLedgerSwitchTimestamp&quot;</span><span class="token plain"> </span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;2023-03-06T16:41:32.801+08:00&quot;</span><span class="token plain">,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">          </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;state&quot;</span><span class="token plain"> </span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 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style="color:#F8F8F2"><span class="token plain">          </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;subscriptionHavePendingRead&quot;</span><span class="token plain"> </span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token plain"> false,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">          </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;subscriptionHavePendingReplayRead&quot;</span><span class="token plain"> </span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token plain"> false,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">          </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;properties&quot;</span><span class="token plain"> </span><span class="token builtin class-name" style="color:rgb(189, 147, 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198)">&quot;waitingReadOp&quot;</span><span class="token plain"> </span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token plain"> false,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">          </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;pendingReadOps&quot;</span><span class="token plain"> </span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token plain"> </span><span class="token number">0</span><span class="token plain">,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">          </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;messagesConsumedCounter&quot;</span><span class="token plain"> </span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token plain"> </span><span class="token number">0</span><span class="token plain">,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">          </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;cursorLedger&quot;</span><span class="token plain"> </span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token plain"> -1,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">          </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;cursorLedgerLastEntry&quot;</span><span class="token plain"> </span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token plain"> -1,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">          </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;individuallyDeletedMessages&quot;</span><span class="token plain"> </span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;[]&quot;</span><span class="token plain">,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">          </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;lastLedgerSwitchTimestamp&quot;</span><span class="token plain"> </span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;2023-03-06T16:41:32.801+08:00&quot;</span><span class="token plain">,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">          </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;state&quot;</span><span class="token plain"> </span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;NoLedger&quot;</span><span class="token plain">,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">          </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;numberOfEntriesSinceFirstNotAckedMessage&quot;</span><span class="token plain"> </span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token plain"> </span><span class="token number">1</span><span class="token plain">,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">          </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;totalNonContiguousDeletedMessagesRange&quot;</span><span class="token plain"> </span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token plain"> </span><span class="token number">0</span><span class="token plain">,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">          </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;subscriptionHavePendingRead&quot;</span><span class="token plain"> </span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token plain"> false,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">          </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;subscriptionHavePendingReplayRead&quot;</span><span class="token plain"> </span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token plain"> false,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">          </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;properties&quot;</span><span class="token plain"> </span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(248, 248, 242)">{</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(248, 248, 242)">}</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">        </span><span class="token punctuation" style="color:rgb(248, 248, 242)">}</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">      </span><span class="token punctuation" style="color:rgb(248, 248, 242)">}</span><span class="token plain">,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">      </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;schemaLedgers&quot;</span><span class="token plain"> </span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(248, 248, 242)">[</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(248, 248, 242)">]</span><span class="token plain">,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">      </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;compactedLedger&quot;</span><span class="token plain"> </span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(248, 248, 242)">{</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">        </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;ledgerId&quot;</span><span class="token plain"> </span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token plain"> -1,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">        </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;entries&quot;</span><span class="token plain"> </span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token plain"> -1,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">        </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;size&quot;</span><span class="token plain"> </span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token plain"> -1,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">        </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;offloaded&quot;</span><span class="token plain"> </span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token plain"> false,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">        </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;underReplicated&quot;</span><span class="token plain"> </span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token plain"> </span><span class="token boolean">false</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">      </span><span class="token punctuation" style="color:rgb(248, 248, 242)">}</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    </span><span class="token punctuation" style="color:rgb(248, 248, 242)">}</span><span class="token plain">,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token punctuation" style="color:rgb(248, 248, 242)">..</span><span class="token plain">.</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg class="copyButtonIcon_y97N" viewBox="0 0 24 24"><path d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg class="copyButtonSuccessIcon_LjdS" viewBox="0 0 24 24"><path d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div></li><li><p>Delete the topic <em>test-topic-1</em>.</p><p><strong>Input</strong></p><div class="language-bash codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-bash codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#F8F8F2"><span class="token plain">bin/pulsar-admin topics delete-partitioned-topic persistent://public/default/test-topic-1</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg class="copyButtonIcon_y97N" viewBox="0 0 24 24"><path d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg class="copyButtonSuccessIcon_LjdS" viewBox="0 0 24 24"><path d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div><p><strong>Output</strong></p><p>There is no output. You can verify whether the <em>test-topic-1</em> exists or not using the following command.</p><p><strong>Input</strong></p><p>List topics in <code>public/default</code> namespace.</p><div class="language-bash codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-bash codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#F8F8F2"><span class="token plain">bin/pulsar-admin topics list public/default</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg class="copyButtonIcon_y97N" viewBox="0 0 24 24"><path d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg class="copyButtonSuccessIcon_LjdS" viewBox="0 0 24 24"><path d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div></li></ol></div><div role="tabpanel" class="tabItem_Ymn6" hidden=""><p>This tutorial guides you through every step of using REST API to manage topics. It includes the following steps:</p><ol><li><p>Create a partitioned topic</p></li><li><p>Update the number of a partition.</p></li><li><p>Produce messages to the topic.</p></li><li><p>Check the stats of the topic.</p></li><li><p>Delete the topic.</p></li></ol><p><strong>Prerequisites</strong></p><ul><li>Install and start Pulsar standalone. This tutorial runs Pulsar 2.11 as an example.</li></ul><p><strong>Steps</strong></p><ol><li><p>Create a persistent topic named <em>test-topic-2</em> with 4 partitions.</p><p><strong>Input</strong></p><div class="language-bash codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-bash codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#F8F8F2"><span class="token function" style="color:rgb(80, 250, 123)">curl</span><span class="token plain"> -X PUT http://localhost:8080/admin/v2/persistent/public/default/test-topic-2/partitions -H </span><span class="token string" style="color:rgb(255, 121, 198)">&#x27;Content-Type: application/json&#x27;</span><span class="token plain"> -d </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;4&quot;</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg class="copyButtonIcon_y97N" viewBox="0 0 24 24"><path d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg class="copyButtonSuccessIcon_LjdS" viewBox="0 0 24 24"><path d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div><p><strong>Output</strong></p><p>There is no output. You can check the topic in Step 4.</p></li><li><p>Update the number of the partition to 5.</p><p><strong>Input</strong></p><div class="language-bash codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-bash codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#F8F8F2"><span class="token function" style="color:rgb(80, 250, 123)">curl</span><span class="token plain"> -X POST http://localhost:8080/admin/v2/persistent/public/default/test-topic-2/partitions -H </span><span class="token string" style="color:rgb(255, 121, 198)">&#x27;Content-Type: application/json&#x27;</span><span class="token plain"> -d </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;5&quot;</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg class="copyButtonIcon_y97N" viewBox="0 0 24 24"><path d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg class="copyButtonSuccessIcon_LjdS" viewBox="0 0 24 24"><path d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div><p><strong>Output</strong></p><p>There is no output. You can check the status of the topic in Step 4.</p></li><li><p>Produce some messages to the partitioned topic <em>test-topic-2</em>.</p><p><strong>Input</strong></p><div class="language-bash codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-bash codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#F8F8F2"><span class="token plain">bin/pulsar-perf produce -u pulsar://localhost:6650 -r </span><span class="token number">1000</span><span class="token plain"> -i </span><span class="token number">1000</span><span class="token plain"> persistent://public/default/test-topic-2</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg class="copyButtonIcon_y97N" viewBox="0 0 24 24"><path d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg class="copyButtonSuccessIcon_LjdS" viewBox="0 0 24 24"><path d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div><p><strong>Output</strong></p><div class="language-bash codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-bash codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#F8F8F2"><span class="token number">2023</span><span class="token plain">-03-08T15:47:06,268+0800 </span><span class="token punctuation" style="color:rgb(248, 248, 242)">[</span><span class="token plain">main</span><span class="token punctuation" style="color:rgb(248, 248, 242)">]</span><span class="token plain"> INFO  org.apache.pulsar.testclient.PerformanceProducer - Starting Pulsar perf producer with config: </span><span class="token punctuation" style="color:rgb(248, 248, 242)">{</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">  </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;confFile&quot;</span><span class="token plain"> </span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;/Users/yu/apache-pulsar-2.11.0/conf/client.conf&quot;</span><span class="token plain">,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">  </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;serviceURL&quot;</span><span class="token plain"> </span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;pulsar://localhost:6650&quot;</span><span class="token plain">,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">  </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;authPluginClassName&quot;</span><span class="token plain"> </span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;&quot;</span><span class="token plain">,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">  </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;authParams&quot;</span><span class="token plain"> </span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;&quot;</span><span class="token plain">,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">  </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;tlsTrustCertsFilePath&quot;</span><span class="token plain"> </span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;&quot;</span><span class="token plain">,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">  </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;tlsAllowInsecureConnection&quot;</span><span class="token plain"> </span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token plain"> false,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">  </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;tlsHostnameVerificationEnable&quot;</span><span class="token plain"> </span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token plain"> false,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">  </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;maxConnections&quot;</span><span class="token plain"> </span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token plain"> </span><span class="token number">1</span><span class="token plain">,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">  </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;statsIntervalSeconds&quot;</span><span class="token plain"> </span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token plain"> </span><span class="token number">1000</span><span class="token plain">,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">  </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;ioThreads&quot;</span><span class="token plain"> </span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token plain"> </span><span class="token number">1</span><span class="token plain">,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">  </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;enableBusyWait&quot;</span><span class="token plain"> </span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token plain"> false,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">  </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;listenerName&quot;</span><span class="token plain"> </span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token plain"> null,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">  </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;listenerThreads&quot;</span><span class="token plain"> </span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token plain"> </span><span class="token number">1</span><span class="token plain">,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">  </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;maxLookupRequest&quot;</span><span class="token plain"> </span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token plain"> </span><span class="token number">50000</span><span class="token plain">,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">  </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;topics&quot;</span><span class="token plain"> </span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(248, 248, 242)">[</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;persistent://public/default/test-topic-2&quot;</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(248, 248, 242)">]</span><span class="token plain">,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">  </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;numTestThreads&quot;</span><span class="token plain"> </span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token plain"> </span><span class="token number">1</span><span class="token plain">,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">  </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;msgRate&quot;</span><span class="token plain"> </span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token plain"> </span><span class="token number">1000</span><span class="token plain">,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">  </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;msgSize&quot;</span><span class="token plain"> </span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token plain"> </span><span class="token number">1024</span><span class="token plain">,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">  </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;numTopics&quot;</span><span class="token plain"> </span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token plain"> </span><span class="token number">1</span><span class="token plain">,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token string" style="color:rgb(255, 121, 198)">&quot;numProducers&quot;</span><span class="token plain"> </span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token plain"> </span><span class="token number">1</span><span class="token plain">,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">  </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;separator&quot;</span><span class="token plain"> </span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;-&quot;</span><span class="token plain">,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">  </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;sendTimeout&quot;</span><span class="token plain"> </span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token plain"> </span><span class="token number">0</span><span class="token plain">,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">  </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;producerName&quot;</span><span class="token plain"> </span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token plain"> null,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">  </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;adminURL&quot;</span><span class="token plain"> </span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;http://localhost:8080/&quot;</span><span class="token plain">,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">  </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;deprecatedAuthPluginClassName&quot;</span><span class="token plain"> </span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token plain"> null,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">  </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;maxOutstanding&quot;</span><span class="token plain"> </span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token plain"> </span><span class="token number">0</span><span class="token plain">,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">  </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;maxPendingMessagesAcrossPartitions&quot;</span><span class="token plain"> </span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token plain"> </span><span class="token number">0</span><span class="token plain">,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">  </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;partitions&quot;</span><span class="token plain"> </span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token plain"> null,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">  </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;numMessages&quot;</span><span class="token plain"> </span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token plain"> </span><span class="token number">0</span><span class="token plain">,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">  </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;compression&quot;</span><span class="token plain"> </span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;NONE&quot;</span><span class="token plain">,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">  </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;payloadFilename&quot;</span><span class="token plain"> </span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token plain"> null,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">  </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;payloadDelimiter&quot;</span><span class="token plain"> </span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;</span><span class="token string entity" style="color:rgb(255, 121, 198)">\\</span><span class="token string" style="color:rgb(255, 121, 198)">n&quot;</span><span class="token plain">,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">  </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;batchTimeMillis&quot;</span><span class="token plain"> </span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token plain"> </span><span class="token number">1.0</span><span class="token plain">,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">  </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;batchMaxMessages&quot;</span><span class="token plain"> </span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token plain"> </span><span class="token number">1000</span><span class="token plain">,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">  </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;batchMaxBytes&quot;</span><span class="token plain"> </span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token plain"> </span><span class="token number">4194304</span><span class="token plain">,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">  </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;testTime&quot;</span><span class="token plain"> </span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token plain"> </span><span class="token number">0</span><span class="token plain">,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">  </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;warmupTimeSeconds&quot;</span><span class="token plain"> </span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token plain"> </span><span class="token number">1.0</span><span class="token plain">,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">  </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;encKeyName&quot;</span><span class="token plain"> </span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token plain"> null,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">  </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;encKeyFile&quot;</span><span class="token plain"> </span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token plain"> null,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">  </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;delay&quot;</span><span class="token plain"> </span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token plain"> </span><span class="token number">0</span><span class="token plain">,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">  </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;exitOnFailure&quot;</span><span class="token plain"> </span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token plain"> false,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">  </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;messageKeyGenerationMode&quot;</span><span class="token plain"> </span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token plain"> null,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">  </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;producerAccessMode&quot;</span><span class="token plain"> </span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;Shared&quot;</span><span class="token plain">,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">  </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;formatPayload&quot;</span><span class="token plain"> </span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token plain"> false,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">  </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;formatterClass&quot;</span><span class="token plain"> </span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;org.apache.pulsar.testclient.DefaultMessageFormatter&quot;</span><span class="token plain">,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">  </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;transactionTimeout&quot;</span><span class="token plain"> </span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token plain"> </span><span class="token number">10</span><span class="token plain">,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">  </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;numMessagesPerTransaction&quot;</span><span class="token plain"> </span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token plain"> </span><span class="token number">50</span><span class="token plain">,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">  </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;isEnableTransaction&quot;</span><span class="token plain"> </span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token plain"> false,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain" style="display:inline-block"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">  </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;isAbortTransaction&quot;</span><span class="token plain"> </span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token plain"> false,</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">  </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;histogramFile&quot;</span><span class="token plain"> </span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token plain"> null</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token punctuation" style="color:rgb(248, 248, 242)">}</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain" style="display:inline-block"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token punctuation" style="color:rgb(248, 248, 242)">..</span><span class="token plain">.</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain" style="display:inline-block"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token number">2023</span><span class="token plain">-03-08T15:53:28,178+0800 </span><span class="token punctuation" style="color:rgb(248, 248, 242)">[</span><span class="token plain">Thread-0</span><span class="token punctuation" style="color:rgb(248, 248, 242)">]</span><span class="token plain"> INFO  org.apache.pulsar.testclient.PerformanceProducer - Aggregated latency stats --- Latency: mean:   </span><span class="token number">4.481</span><span class="token plain"> ms - med:   </span><span class="token number">2.918</span><span class="token plain"> - 95pct:  </span><span class="token number">10.710</span><span class="token plain"> - 99pct:  </span><span class="token number">38.928</span><span class="token plain"> - </span><span class="token number">99</span><span class="token plain">.9pct: </span><span class="token number">112.689</span><span class="token plain"> - </span><span class="token number">99</span><span class="token plain">.99pct: </span><span class="token number">154.241</span><span class="token plain"> - </span><span class="token number">99</span><span class="token plain">.999pct: </span><span class="token number">193.249</span><span class="token plain"> - Max: </span><span class="token number">241.717</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg class="copyButtonIcon_y97N" viewBox="0 0 24 24"><path d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg class="copyButtonSuccessIcon_LjdS" viewBox="0 0 24 24"><path d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div></li><li><p>Check the internal stats of the topic <em>test-topic-2</em>.</p><p><strong>Input</strong></p><div class="language-bash codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-bash codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#F8F8F2"><span class="token function" style="color:rgb(80, 250, 123)">curl</span><span class="token plain"> -X GET http://localhost:8080/admin/v2/persistent/public/default/test-topic-2/partitioned-internalStats</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg class="copyButtonIcon_y97N" viewBox="0 0 24 24"><path d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg class="copyButtonSuccessIcon_LjdS" viewBox="0 0 24 24"><path d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div><p><strong>Output</strong></p><p>For detailed explanations of topic stats, see Pulsar statistics.</p><div class="language-bash codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-bash codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#F8F8F2"><span class="token punctuation" style="color:rgb(248, 248, 242)">{</span><span class="token string" style="color:rgb(255, 121, 198)">&quot;metadata&quot;</span><span class="token plain">:</span><span class="token punctuation" style="color:rgb(248, 248, 242)">{</span><span class="token string" style="color:rgb(255, 121, 198)">&quot;partitions&quot;</span><span class="token plain">:5</span><span class="token punctuation" style="color:rgb(248, 248, 242)">}</span><span class="token plain">,</span><span class="token string" style="color:rgb(255, 121, 198)">&quot;partitions&quot;</span><span class="token plain">:</span><span class="token punctuation" style="color:rgb(248, 248, 242)">{</span><span class="token string" style="color:rgb(255, 121, 198)">&quot;persistent://public/default/test-topic-2-partition-3&quot;</span><span class="token plain">:</span><span class="token punctuation" style="color:rgb(248, 248, 242)">{</span><span class="token string" style="color:rgb(255, 121, 198)">&quot;entriesAddedCounter&quot;</span><span class="token plain">:47087,</span><span class="token string" style="color:rgb(255, 121, 198)">&quot;numberOfEntries&quot;</span><span class="token plain">:47087,</span><span class="token string" style="color:rgb(255, 121, 198)">&quot;totalSize&quot;</span><span class="token plain">:80406959,</span><span class="token string" style="color:rgb(255, 121, 198)">&quot;currentLedgerEntries&quot;</span><span class="token plain">:47087,</span><span class="token string" style="color:rgb(255, 121, 198)">&quot;currentLedgerSize&quot;</span><span class="token plain">:80406959,</span><span class="token string" style="color:rgb(255, 121, 198)">&quot;lastLedgerCreatedTimestamp&quot;</span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token string" style="color:rgb(255, 121, 198)">&quot;2023-03-08T15:47:07.273+08:00&quot;</span><span class="token plain">,</span><span class="token string" style="color:rgb(255, 121, 198)">&quot;waitingCursorsCount&quot;</span><span class="token plain">:0,</span><span class="token string" style="color:rgb(255, 121, 198)">&quot;pendingAddEntriesCount&quot;</span><span class="token plain">:0,</span><span class="token string" style="color:rgb(255, 121, 198)">&quot;lastConfirmedEntry&quot;</span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token string" style="color:rgb(255, 121, 198)">&quot;117:47086&quot;</span><span class="token plain">,</span><span class="token string" style="color:rgb(255, 121, 198)">&quot;state&quot;</span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token string" style="color:rgb(255, 121, 198)">&quot;LedgerOpened&quot;</span><span class="token plain">,</span><span class="token string" style="color:rgb(255, 121, 198)">&quot;ledgers&quot;</span><span class="token plain">:</span><span class="token punctuation" style="color:rgb(248, 248, 242)">[</span><span class="token punctuation" style="color:rgb(248, 248, 242)">{</span><span class="token string" style="color:rgb(255, 121, 198)">&quot;ledgerId&quot;</span><span class="token plain">:117,</span><span class="token string" style="color:rgb(255, 121, 198)">&quot;entries&quot;</span><span class="token plain">:0,</span><span class="token string" style="color:rgb(255, 121, 198)">&quot;size&quot;</span><span class="token plain">:0,</span><span class="token string" style="color:rgb(255, 121, 198)">&quot;offloaded&quot;</span><span class="token plain">:false,</span><span class="token string" style="color:rgb(255, 121, 198)">&quot;underReplicated&quot;</span><span class="token plain">:false</span><span class="token punctuation" style="color:rgb(248, 248, 242)">}</span><span class="token punctuation" style="color:rgb(248, 248, 242)">]</span><span class="token plain">,</span><span class="token string" style="color:rgb(255, 121, 198)">&quot;cursors&quot;</span><span class="token plain">:</span><span class="token punctuation" style="color:rgb(248, 248, 242)">{</span><span class="token punctuation" style="color:rgb(248, 248, 242)">}</span><span class="token plain">,</span><span class="token string" style="color:rgb(255, 121, 198)">&quot;schemaLedgers&quot;</span><span class="token plain">:</span><span class="token punctuation" style="color:rgb(248, 248, 242)">[</span><span class="token punctuation" style="color:rgb(248, 248, 242)">]</span><span class="token plain">,</span><span class="token string" style="color:rgb(255, 121, 198)">&quot;compactedLedger&quot;</span><span class="token plain">:</span><span class="token punctuation" style="color:rgb(248, 248, 242)">{</span><span class="token string" style="color:rgb(255, 121, 198)">&quot;ledgerId&quot;</span><span class="token plain">:-1,</span><span class="token string" style="color:rgb(255, 121, 198)">&quot;entries&quot;</span><span class="token plain">:-1,</span><span class="token string" style="color:rgb(255, 121, 198)">&quot;size&quot;</span><span class="token plain">:-1,</span><span class="token string" style="color:rgb(255, 121, 198)">&quot;offloaded&quot;</span><span class="token plain">:false,</span><span class="token string" style="color:rgb(255, 121, 198)">&quot;underReplicated&quot;</span><span class="token plain">:false</span><span class="token punctuation" style="color:rgb(248, 248, 242)">}</span><span class="token punctuation" style="color:rgb(248, 248, 242)">}</span><span class="token plain">,</span><span class="token string" style="color:rgb(255, 121, 198)">&quot;persistent://public/default/test-topic-2-partition-2&quot;</span><span class="token plain">:</span><span class="token punctuation" style="color:rgb(248, 248, 242)">{</span><span class="token string" style="color:rgb(255, 121, 198)">&quot;entriesAddedCounter&quot;</span><span class="token plain">:46995,</span><span class="token string" style="color:rgb(255, 121, 198)">&quot;numberOfEntries&quot;</span><span class="token plain">:46995,</span><span class="token string" style="color:rgb(255, 121, 198)">&quot;totalSize&quot;</span><span class="token plain">:80445417,</span><span class="token string" style="color:rgb(255, 121, 198)">&quot;currentLedgerEntries&quot;</span><span class="token plain">:46995,</span><span class="token string" style="color:rgb(255, 121, 198)">&quot;currentLedgerSize&quot;</span><span class="token plain">:80445417,</span><span class="token string" style="color:rgb(255, 121, 198)">&quot;lastLedgerCreatedTimestamp&quot;</span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token string" style="color:rgb(255, 121, 198)">&quot;2023-03-08T15:47:07.43+08:00&quot;</span><span class="token plain">,</span><span class="token string" style="color:rgb(255, 121, 198)">&quot;waitingCursorsCount&quot;</span><span class="token plain">:0,</span><span class="token string" style="color:rgb(255, 121, 198)">&quot;pendingAddEntriesCount&quot;</span><span class="token plain">:0,</span><span class="token string" style="color:rgb(255, 121, 198)">&quot;lastConfirmedEntry&quot;</span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token string" style="color:rgb(255, 121, 198)">&quot;118:46994&quot;</span><span class="token plain">,</span><span class="token string" style="color:rgb(255, 121, 198)">&quot;state&quot;</span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token string" style="color:rgb(255, 121, 198)">&quot;LedgerOpened&quot;</span><span class="token plain">,</span><span class="token string" style="color:rgb(255, 121, 198)">&quot;ledgers&quot;</span><span class="token plain">:</span><span class="token punctuation" style="color:rgb(248, 248, 242)">[</span><span class="token punctuation" style="color:rgb(248, 248, 242)">{</span><span class="token string" style="color:rgb(255, 121, 198)">&quot;ledgerId&quot;</span><span class="token plain">:118,</span><span class="token string" style="color:rgb(255, 121, 198)">&quot;entries&quot;</span><span class="token plain">:0,</span><span class="token string" style="color:rgb(255, 121, 198)">&quot;size&quot;</span><span class="token plain">:0,</span><span class="token string" style="color:rgb(255, 121, 198)">&quot;offloaded&quot;</span><span class="token plain">:false,</span><span class="token string" style="color:rgb(255, 121, 198)">&quot;underReplicated&quot;</span><span class="token plain">:false</span><span class="token punctuation" style="color:rgb(248, 248, 242)">}</span><span class="token punctuation" style="color:rgb(248, 248, 242)">]</span><span class="token plain">,</span><span class="token punctuation" style="color:rgb(248, 248, 242)">..</span><span class="token plain">.</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg class="copyButtonIcon_y97N" viewBox="0 0 24 24"><path d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg class="copyButtonSuccessIcon_LjdS" viewBox="0 0 24 24"><path d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div></li><li><p>Delete the topic <em>test-topic-2</em>.</p><p><strong>Input</strong></p><div class="codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-text codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#F8F8F2"><span class="token plain">curl -X DELETE http://localhost:8080/admin/v2/persistent/public/default/test-topic-2/partitions</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg class="copyButtonIcon_y97N" viewBox="0 0 24 24"><path d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg class="copyButtonSuccessIcon_LjdS" viewBox="0 0 24 24"><path d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div><p><strong>Output</strong></p><p>There is no output. You can verify whether the <em>test-topic-2</em> exists or not using the following command.</p><p><strong>Input</strong></p><p>List topics in <code>public/default</code> namespace.</p><div class="codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-text codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#F8F8F2"><span class="token plain">curl -X GET http://localhost:8080/admin/v2/persistent/public/default</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg class="copyButtonIcon_y97N" viewBox="0 0 24 24"><path d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg class="copyButtonSuccessIcon_LjdS" viewBox="0 0 24 24"><path d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div></li></ol></div><div role="tabpanel" class="tabItem_Ymn6" hidden=""><p>This tutorial guides you through every step of using Java admin API to manage topics. It includes the following steps:</p><ol><li><p>Initiate a Pulsar Java client.</p></li><li><p>Create a partitioned topic</p></li><li><p>Update the number of a partition.</p></li><li><p>Produce messages to the topic.</p></li><li><p>Check the stats of the topic.</p></li><li><p>Delete the topic.</p></li></ol><p><strong>Prerequisites</strong></p><ul><li><p>Prepare a Java project and add the following dependency to your POM file.</p><div class="language-java codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-java codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#F8F8F2"><span class="token generics punctuation" style="color:rgb(248, 248, 242)">&lt;</span><span class="token generics">dependency</span><span class="token generics punctuation" style="color:rgb(248, 248, 242)">&gt;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">      </span><span class="token generics punctuation" style="color:rgb(248, 248, 242)">&lt;</span><span class="token generics">groupId</span><span class="token generics punctuation" style="color:rgb(248, 248, 242)">&gt;</span><span class="token plain">org</span><span class="token punctuation" style="color:rgb(248, 248, 242)">.</span><span class="token plain">apache</span><span class="token punctuation" style="color:rgb(248, 248, 242)">.</span><span class="token plain">pulsar</span><span class="token operator">&lt;</span><span class="token operator">/</span><span class="token plain">groupId</span><span class="token operator">&gt;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">      </span><span class="token generics punctuation" style="color:rgb(248, 248, 242)">&lt;</span><span class="token generics">artifactId</span><span class="token generics punctuation" style="color:rgb(248, 248, 242)">&gt;</span><span class="token plain">pulsar</span><span class="token operator">-</span><span class="token plain">client</span><span class="token operator">-</span><span class="token plain">admin</span><span class="token operator">&lt;</span><span class="token operator">/</span><span class="token plain">artifactId</span><span class="token operator">&gt;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">      </span><span class="token generics punctuation" style="color:rgb(248, 248, 242)">&lt;</span><span class="token generics">version</span><span class="token generics punctuation" style="color:rgb(248, 248, 242)">&gt;</span><span class="token number">2.11</span><span class="token number">.0</span><span class="token operator">&lt;</span><span class="token operator">/</span><span class="token plain">version</span><span class="token operator">&gt;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">  </span><span class="token operator">&lt;</span><span class="token operator">/</span><span class="token plain">dependency</span><span class="token operator">&gt;</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg class="copyButtonIcon_y97N" viewBox="0 0 24 24"><path d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg class="copyButtonSuccessIcon_LjdS" viewBox="0 0 24 24"><path d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div></li></ul><p><strong>Steps</strong></p><ol><li><p>Initiate a Pulsar Java client in your Java project.</p><p><strong>Input</strong></p><div class="language-java codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-java codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#F8F8F2"><span class="token class-name">String</span><span class="token plain"> url </span><span class="token operator">=</span><span class="token plain"> </span><span class="token string" style="color:rgb(255, 121, 198)">&quot;http://localhost:8080&quot;</span><span class="token punctuation" style="color:rgb(248, 248, 242)">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token class-name">PulsarAdmin</span><span class="token plain"> admin </span><span class="token operator">=</span><span class="token plain"> </span><span class="token class-name">PulsarAdmin</span><span class="token punctuation" style="color:rgb(248, 248, 242)">.</span><span class="token function" style="color:rgb(80, 250, 123)">builder</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    </span><span class="token punctuation" style="color:rgb(248, 248, 242)">.</span><span class="token function" style="color:rgb(80, 250, 123)">serviceHttpUrl</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token plain">url</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    </span><span class="token punctuation" style="color:rgb(248, 248, 242)">.</span><span class="token function" style="color:rgb(80, 250, 123)">build</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token punctuation" style="color:rgb(248, 248, 242)">;</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg class="copyButtonIcon_y97N" viewBox="0 0 24 24"><path d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg class="copyButtonSuccessIcon_LjdS" viewBox="0 0 24 24"><path d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div></li><li><p>Create a partitioned topic <em>test-topic-1</em> with 4 partitions.</p><p><strong>Input</strong></p><div class="language-java codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-java codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#F8F8F2"><span class="token plain">admin</span><span class="token punctuation" style="color:rgb(248, 248, 242)">.</span><span class="token function" style="color:rgb(80, 250, 123)">topics</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token punctuation" style="color:rgb(248, 248, 242)">.</span><span class="token function" style="color:rgb(80, 250, 123)">createPartitionedTopic</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token string" style="color:rgb(255, 121, 198)">&quot;persistent://public/default/test-topic-1&quot;</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"> </span><span class="token number">4</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token punctuation" style="color:rgb(248, 248, 242)">;</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg class="copyButtonIcon_y97N" viewBox="0 0 24 24"><path d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg class="copyButtonSuccessIcon_LjdS" viewBox="0 0 24 24"><path d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div></li><li><p>Update the number of the partition to 5.</p><p><strong>Input</strong></p><div class="language-java codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-java codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#F8F8F2"><span class="token plain">admin</span><span class="token punctuation" style="color:rgb(248, 248, 242)">.</span><span class="token function" style="color:rgb(80, 250, 123)">topics</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token punctuation" style="color:rgb(248, 248, 242)">.</span><span class="token function" style="color:rgb(80, 250, 123)">updatePartitionedTopic</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token string" style="color:rgb(255, 121, 198)">&quot;test-topic-1&quot;</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token plain"> </span><span class="token number">5</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token punctuation" style="color:rgb(248, 248, 242)">;</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg class="copyButtonIcon_y97N" viewBox="0 0 24 24"><path d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg class="copyButtonSuccessIcon_LjdS" viewBox="0 0 24 24"><path d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div></li><li><p>Produce some messages to the topic <em>test-topic-1</em>.</p><p><strong>Input</strong></p><div class="language-java codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-java codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#F8F8F2"><span class="token class-name">PulsarClient</span><span class="token plain"> client </span><span class="token operator">=</span><span class="token plain"> </span><span class="token class-name">PulsarClient</span><span class="token punctuation" style="color:rgb(248, 248, 242)">.</span><span class="token function" style="color:rgb(80, 250, 123)">builder</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    </span><span class="token punctuation" style="color:rgb(248, 248, 242)">.</span><span class="token function" style="color:rgb(80, 250, 123)">serviceUrl</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token string" style="color:rgb(255, 121, 198)">&quot;pulsar://localhost:6650&quot;</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    </span><span class="token punctuation" style="color:rgb(248, 248, 242)">.</span><span class="token function" style="color:rgb(80, 250, 123)">build</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token punctuation" style="color:rgb(248, 248, 242)">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain" style="display:inline-block"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token class-name">Producer</span><span class="token generics punctuation" style="color:rgb(248, 248, 242)">&lt;</span><span class="token generics class-name">String</span><span class="token generics punctuation" style="color:rgb(248, 248, 242)">&gt;</span><span class="token plain"> producer </span><span class="token operator">=</span><span class="token plain"> client</span><span class="token punctuation" style="color:rgb(248, 248, 242)">.</span><span class="token function" style="color:rgb(80, 250, 123)">newProducer</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token class-name">Schema</span><span class="token punctuation" style="color:rgb(248, 248, 242)">.</span><span class="token constant" style="color:rgb(189, 147, 249)">STRING</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    </span><span class="token punctuation" style="color:rgb(248, 248, 242)">.</span><span class="token function" style="color:rgb(80, 250, 123)">topic</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token string" style="color:rgb(255, 121, 198)">&quot;test-topic-1&quot;</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    </span><span class="token punctuation" style="color:rgb(248, 248, 242)">.</span><span class="token function" style="color:rgb(80, 250, 123)">blockIfQueueFull</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token boolean">true</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    </span><span class="token punctuation" style="color:rgb(248, 248, 242)">.</span><span class="token function" style="color:rgb(80, 250, 123)">create</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token punctuation" style="color:rgb(248, 248, 242)">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain" style="display:inline-block"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">for</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token keyword" style="color:rgb(189, 147, 249);font-style:italic">int</span><span class="token plain"> i </span><span class="token operator">=</span><span class="token plain"> </span><span class="token number">0</span><span class="token punctuation" style="color:rgb(248, 248, 242)">;</span><span class="token plain"> i </span><span class="token operator">&lt;</span><span class="token plain"> </span><span class="token number">100</span><span class="token punctuation" style="color:rgb(248, 248, 242)">;</span><span class="token plain"> </span><span class="token operator">++</span><span class="token plain">i</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token plain"> </span><span class="token punctuation" style="color:rgb(248, 248, 242)">{</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">    producer</span><span class="token punctuation" style="color:rgb(248, 248, 242)">.</span><span class="token function" style="color:rgb(80, 250, 123)">newMessage</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token punctuation" style="color:rgb(248, 248, 242)">.</span><span class="token function" style="color:rgb(80, 250, 123)">value</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token string" style="color:rgb(255, 121, 198)">&quot;test&quot;</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token punctuation" style="color:rgb(248, 248, 242)">.</span><span class="token function" style="color:rgb(80, 250, 123)">send</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token punctuation" style="color:rgb(248, 248, 242)">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token punctuation" style="color:rgb(248, 248, 242)">}</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">producer</span><span class="token punctuation" style="color:rgb(248, 248, 242)">.</span><span class="token function" style="color:rgb(80, 250, 123)">close</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token punctuation" style="color:rgb(248, 248, 242)">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">client</span><span class="token punctuation" style="color:rgb(248, 248, 242)">.</span><span class="token function" style="color:rgb(80, 250, 123)">close</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token punctuation" style="color:rgb(248, 248, 242)">;</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg class="copyButtonIcon_y97N" viewBox="0 0 24 24"><path d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg class="copyButtonSuccessIcon_LjdS" viewBox="0 0 24 24"><path d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div></li><li><p>Check the stats of the topic <em>test-topic-1</em>.</p><p><strong>Input</strong></p><div class="language-java codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-java codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#F8F8F2"><span class="token class-name">PartitionedTopicStats</span><span class="token plain"> stats </span><span class="token operator">=</span><span class="token plain"> admin</span><span class="token punctuation" style="color:rgb(248, 248, 242)">.</span><span class="token function" style="color:rgb(80, 250, 123)">topics</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token punctuation" style="color:rgb(248, 248, 242)">.</span><span class="token function" style="color:rgb(80, 250, 123)">getPartitionedStats</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token string" style="color:rgb(255, 121, 198)">&quot;persistent://public/default/test-topic-1&quot;</span><span class="token punctuation" style="color:rgb(248, 248, 242)">,</span><span class="token boolean">false</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token punctuation" style="color:rgb(248, 248, 242)">;</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token class-name">System</span><span class="token punctuation" style="color:rgb(248, 248, 242)">.</span><span class="token plain">out</span><span class="token punctuation" style="color:rgb(248, 248, 242)">.</span><span class="token function" style="color:rgb(80, 250, 123)">println</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token plain">stats</span><span class="token punctuation" style="color:rgb(248, 248, 242)">.</span><span class="token function" style="color:rgb(80, 250, 123)">getMsgInCounter</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token punctuation" style="color:rgb(248, 248, 242)">;</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg class="copyButtonIcon_y97N" viewBox="0 0 24 24"><path d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg class="copyButtonSuccessIcon_LjdS" viewBox="0 0 24 24"><path d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div><p><strong>Output</strong></p><div class="language-java codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-java codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#F8F8F2"><span class="token number">100</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg class="copyButtonIcon_y97N" viewBox="0 0 24 24"><path d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg class="copyButtonSuccessIcon_LjdS" viewBox="0 0 24 24"><path d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div></li><li><p>Delete the topic <em>test-topic-1</em>.</p><p><strong>Input</strong></p><div class="language-java codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-java codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#F8F8F2"><span class="token plain">admin</span><span class="token punctuation" style="color:rgb(248, 248, 242)">.</span><span class="token function" style="color:rgb(80, 250, 123)">topics</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token punctuation" style="color:rgb(248, 248, 242)">.</span><span class="token function" style="color:rgb(80, 250, 123)">deletePartitionedTopic</span><span class="token punctuation" style="color:rgb(248, 248, 242)">(</span><span class="token string" style="color:rgb(255, 121, 198)">&quot;test-topic-1&quot;</span><span class="token punctuation" style="color:rgb(248, 248, 242)">)</span><span class="token punctuation" style="color:rgb(248, 248, 242)">;</span><br></span></code></pre><div class="buttonGroup__atx"><button type="button" aria-label="Copy code to clipboard" title="Copy" class="clean-btn"><span class="copyButtonIcons_eSgA" aria-hidden="true"><svg class="copyButtonIcon_y97N" viewBox="0 0 24 24"><path d="M19,21H8V7H19M19,5H8A2,2 0 0,0 6,7V21A2,2 0 0,0 8,23H19A2,2 0 0,0 21,21V7A2,2 0 0,0 19,5M16,1H4A2,2 0 0,0 2,3V17H4V3H16V1Z"></path></svg><svg class="copyButtonSuccessIcon_LjdS" viewBox="0 0 24 24"><path d="M21,7L9,19L3.5,13.5L4.91,12.09L9,16.17L19.59,5.59L21,7Z"></path></svg></span></button></div></div></div></li></ol></div></div></div><h2 class="anchor anchorWithStickyNavbar_LWe7" id="related-topics">Related topics<a href="#related-topics" class="hash-link" aria-label="Direct link to Related topics" title="Direct link to Related topics"></a></h2><ul><li><p>To understand basics, see <a href="/docs/3.0.x/admin-api-get-started/admin-api-overview.md/">Pulsar admin API - Overview</a></p></li><li><p>To learn usage scenarios, see <a href="/docs/3.0.x/admin-api-get-started/admin-api-use-cases.md/">Pulsar admin API - Use cases</a>.</p></li><li><p>To learn common administrative tasks, see <a href="/docs/3.0.x/admin-api-get-started/admin-api-features.md/">Pulsar admin API - Features</a>.</p></li><li><p>To perform administrative operations, see <a href="/docs/3.0.x/admin-api-get-started/admin-api-tools.md/">Pulsar admin API - Tools</a>.</p></li><li><p>To check the detailed usage, see the references below.</p><ul><li><p><a href="/reference/#/3.0.x/pulsar-admin/" target="_blank" rel="noopener noreferrer">pulsar-admin CLI</a></p></li><li><p>Pulsar admin APIs</p><ul><li><p><a href="/docs/3.0.x/admin-api-get-started/reference-rest-api-overview.md/">REST API</a></p></li><li><p><a href="https://pulsar.apache.org/api/admin/3.0.x/" target="_blank" rel="noopener noreferrer">Java admin API</a></p></li></ul></li></ul></li></ul></div><footer class="theme-doc-footer docusaurus-mt-lg"><div 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