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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">Performance</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">Pulsar Perf</span><meta itemprop="position" content="2"></li></ul></nav><span class="theme-doc-version-badge badge badge--secondary">Version: Next</span><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>Pulsar Perf</h1></header><p>The Pulsar Perf is a built-in performance test tool for Apache Pulsar. You can use the Pulsar Perf to test message writing or reading performance. For detailed information about performance tuning, see <a href="https://streamnative.io/en/blog/tech/2021-01-14-pulsar-architecture-performance-tuning" target="_blank" rel="noopener noreferrer">here</a>.</p><h2 class="anchor anchorWithStickyNavbar_LWe7" id="produce-messages">Produce messages<a href="#produce-messages" class="hash-link" aria-label="Direct link to Produce messages" title="Direct link to Produce messages">​</a></h2><div class="theme-admonition theme-admonition-tip alert alert--success admonition_LlT9"><div class="admonitionHeading_tbUL"><span class="admonitionIcon_kALy"><svg viewBox="0 0 12 16"><path fill-rule="evenodd" d="M6.5 0C3.48 0 1 2.19 1 5c0 .92.55 2.25 1 3 1.34 2.25 1.78 2.78 2 4v1h5v-1c.22-1.22.66-1.75 2-4 .45-.75 1-2.08 1-3 0-2.81-2.48-5-5.5-5zm3.64 7.48c-.25.44-.47.8-.67 1.11-.86 1.41-1.25 2.06-1.45 3.23-.02.05-.02.11-.02.17H5c0-.06 0-.13-.02-.17-.2-1.17-.59-1.83-1.45-3.23-.2-.31-.42-.67-.67-1.11C2.44 6.78 2 5.65 2 5c0-2.2 2.02-4 4.5-4 1.22 0 2.36.42 3.22 1.19C10.55 2.94 11 3.94 11 5c0 .66-.44 1.78-.86 2.48zM4 14h5c-.23 1.14-1.3 2-2.5 2s-2.27-.86-2.5-2z"></path></svg></span>tip</div><div class="admonitionContent_S0QG"><p>For the latest and complete information about <code>pulsar-perf</code>, including commands, flags, descriptions, and more, see <a href="/reference/#/next/pulsar-perf/" target="_blank" rel="noopener noreferrer"><code>pulsar-perf</code></a>.</p></div></div><ul><li><p>This example shows how the Pulsar Perf produces messages with <strong>default</strong> options.</p><p><strong>Input</strong></p><div class="language-shell codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-shell codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#F8F8F2"><span class="token plain">bin/pulsar-perf produce my-topic</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>After the command is executed, the test data is continuously output on the Console.</p><p><strong>Output</strong></p><div class="language-shell codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-shell codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#F8F8F2"><span class="token number">19</span><span class="token plain">:53:31.459 </span><span class="token punctuation" style="color:rgb(248, 248, 242)">[</span><span class="token plain">pulsar-perf-producer-exec-1-1</span><span class="token punctuation" style="color:rgb(248, 248, 242)">]</span><span class="token plain"> INFO org.apache.pulsar.testclient.PerformanceProducer - Created </span><span class="token number">1</span><span class="token plain"> producers</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token number">19</span><span class="token plain">:53:31.482 </span><span class="token punctuation" style="color:rgb(248, 248, 242)">[</span><span class="token plain">pulsar-timer-5-1</span><span class="token punctuation" style="color:rgb(248, 248, 242)">]</span><span class="token plain"> WARN com.scurrilous.circe.checksum.Crc32cIntChecksum - Failed to load Circe JNI library. Falling back to Java based CRC32c provider</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token number">19</span><span class="token plain">:53:40.861 </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 - Throughput produced: </span><span class="token number">93.7</span><span class="token plain"> msg/s --- </span><span class="token number">0.7</span><span class="token plain"> Mbit/s --- failure </span><span class="token number">0.0</span><span class="token plain"> msg/s --- Latency: mean: </span><span class="token number">3.575</span><span class="token plain"> ms - med: </span><span class="token number">3.460</span><span class="token plain"> - 95pct: </span><span class="token number">4.790</span><span class="token plain"> - 99pct: </span><span class="token number">5.308</span><span class="token plain"> - </span><span class="token number">99</span><span class="token plain">.9pct: </span><span class="token number">5.834</span><span class="token plain"> - </span><span class="token number">99</span><span class="token plain">.99pct: </span><span class="token number">6.609</span><span class="token plain"> - Max: </span><span class="token number">6.609</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token number">19</span><span class="token plain">:53:50.909 </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 - Throughput produced: </span><span class="token number">100.0</span><span class="token plain"> msg/s --- </span><span class="token number">0.8</span><span class="token plain"> Mbit/s --- failure </span><span class="token number">0.0</span><span class="token plain"> msg/s --- Latency: mean: </span><span class="token number">3.437</span><span class="token plain"> ms - med: </span><span class="token number">3.328</span><span class="token plain"> - 95pct: </span><span class="token number">4.656</span><span class="token plain"> - 99pct: </span><span class="token number">5.071</span><span class="token plain"> - </span><span class="token number">99</span><span class="token plain">.9pct: </span><span class="token number">5.519</span><span class="token plain"> - </span><span class="token number">99</span><span class="token plain">.99pct: </span><span class="token number">5.588</span><span class="token plain"> - Max: </span><span class="token number">5.588</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token number">19</span><span class="token plain">:54:00.926 </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 - Throughput produced: </span><span class="token number">100.0</span><span class="token plain"> msg/s --- </span><span class="token number">0.8</span><span class="token plain"> Mbit/s --- failure </span><span class="token number">0.0</span><span class="token plain"> msg/s --- Latency: mean: </span><span class="token number">3.376</span><span class="token plain"> ms - med: </span><span class="token number">3.276</span><span class="token plain"> - 95pct: </span><span class="token number">4.520</span><span class="token plain"> - 99pct: </span><span class="token number">4.939</span><span class="token plain"> - </span><span class="token number">99</span><span class="token plain">.9pct: </span><span class="token number">5.440</span><span class="token plain"> - </span><span class="token number">99</span><span class="token plain">.99pct: </span><span class="token number">5.490</span><span class="token plain"> - Max: </span><span class="token number">5.490</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token number">19</span><span class="token plain">:54:10.940 </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 - Throughput produced: </span><span class="token number">100.0</span><span class="token plain"> msg/s --- </span><span class="token number">0.8</span><span class="token plain"> Mbit/s --- failure </span><span class="token number">0.0</span><span class="token plain"> msg/s --- Latency: mean: </span><span class="token number">3.298</span><span class="token plain"> ms - med: </span><span class="token number">3.220</span><span class="token plain"> - 95pct: </span><span class="token number">4.474</span><span class="token plain"> - 99pct: </span><span class="token number">4.926</span><span class="token plain"> - </span><span class="token number">99</span><span class="token plain">.9pct: </span><span class="token number">5.645</span><span class="token plain"> - </span><span class="token number">99</span><span class="token plain">.99pct: </span><span class="token number">5.654</span><span class="token plain"> - Max: </span><span class="token number">5.654</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token number">19</span><span class="token plain">:54:20.956 </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 - Throughput produced: </span><span class="token number">100.1</span><span class="token plain"> msg/s --- </span><span class="token number">0.8</span><span class="token plain"> Mbit/s --- failure </span><span class="token number">0.0</span><span class="token plain"> msg/s --- Latency: mean: </span><span class="token number">3.308</span><span class="token plain"> ms - med: </span><span class="token number">3.199</span><span class="token plain"> - 95pct: </span><span class="token number">4.532</span><span class="token plain"> - 99pct: </span><span class="token number">4.871</span><span class="token plain"> - </span><span class="token number">99</span><span class="token plain">.9pct: </span><span class="token number">5.291</span><span class="token plain"> - </span><span class="token number">99</span><span class="token plain">.99pct: </span><span class="token number">5.323</span><span class="token plain"> - Max: </span><span class="token number">5.323</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token number">19</span><span class="token plain">:54:30.972 </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 - Throughput produced: </span><span class="token number">100.0</span><span class="token plain"> msg/s --- </span><span class="token number">0.8</span><span class="token plain"> Mbit/s --- failure </span><span class="token number">0.0</span><span class="token plain"> msg/s --- Latency: mean: </span><span class="token number">3.249</span><span class="token plain"> ms - med: </span><span class="token number">3.144</span><span class="token plain"> - 95pct: </span><span class="token number">4.437</span><span class="token plain"> - 99pct: </span><span class="token number">4.970</span><span class="token plain"> - </span><span class="token number">99</span><span class="token plain">.9pct: </span><span class="token number">5.329</span><span class="token plain"> - </span><span class="token number">99</span><span class="token plain">.99pct: </span><span class="token number">5.414</span><span class="token plain"> - Max: </span><span class="token number">5.414</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token number">19</span><span class="token plain">:54:40.987 </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 - Throughput produced: </span><span class="token number">100.0</span><span class="token plain"> msg/s --- </span><span class="token number">0.8</span><span class="token plain"> Mbit/s --- failure </span><span class="token number">0.0</span><span class="token plain"> msg/s --- Latency: mean: </span><span class="token number">3.435</span><span class="token plain"> ms - med: </span><span class="token number">3.361</span><span class="token plain"> - 95pct: </span><span class="token number">4.772</span><span class="token plain"> - 99pct: </span><span class="token number">5.150</span><span class="token plain"> - </span><span class="token number">99</span><span class="token plain">.9pct: </span><span class="token number">5.373</span><span class="token plain"> - </span><span class="token number">99</span><span class="token plain">.99pct: </span><span class="token number">5.837</span><span class="token plain"> - Max: </span><span class="token number">5.837</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">^C19:54:44.325 </span><span class="token punctuation" style="color:rgb(248, 248, 242)">[</span><span class="token plain">Thread-1</span><span class="token punctuation" style="color:rgb(248, 248, 242)">]</span><span class="token plain"> INFO org.apache.pulsar.testclient.PerformanceProducer - Aggregated throughput stats --- </span><span class="token number">7286</span><span class="token plain"> records sent --- </span><span class="token number">99.140</span><span class="token plain"> msg/s --- </span><span class="token number">0.775</span><span class="token plain"> Mbit/s</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token number">19</span><span class="token plain">:54:44.336 </span><span class="token punctuation" style="color:rgb(248, 248, 242)">[</span><span class="token plain">Thread-1</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">3.383</span><span class="token plain"> ms - med: </span><span class="token number">3.293</span><span class="token plain"> - 95pct: </span><span class="token number">4.610</span><span class="token plain"> - 99pct: </span><span class="token number">5.059</span><span class="token plain"> - </span><span class="token number">99</span><span class="token plain">.9pct: </span><span class="token number">5.588</span><span class="token plain"> - </span><span class="token number">99</span><span class="token plain">.99pct: </span><span class="token number">5.837</span><span class="token plain"> - </span><span class="token number">99</span><span class="token plain">.999pct: </span><span class="token number">6.609</span><span class="token plain"> - Max: </span><span class="token number">6.609</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>From the above test data, you can get the throughput statistics and the write latency statistics. The aggregated statistics is printed when the Pulsar Perf is stopped. You can press <strong>Ctrl</strong>+<strong>C</strong> to stop the Pulsar Perf. After the Pulsar Perf is stopped, the <a href="http://hdrhistogram.github.io/HdrHistogram/" target="_blank" rel="noopener noreferrer">HdrHistogram</a> formatted test result appears under your directory. The document looks like <code>perf-producer-1589370810837.hgrm</code>. You can also check the test result through <a href="https://hdrhistogram.github.io/HdrHistogram/plotFiles.html" target="_blank" rel="noopener noreferrer">HdrHistogram Plotter</a>. For details about how to check the test result through <a href="https://hdrhistogram.github.io/HdrHistogram/plotFiles.html" target="_blank" rel="noopener noreferrer">HdrHistogram Plotter</a>, see <a href="#hdrhistogram-plotter">HdrHistogram Plotter</a>.</p></li><li><p>This example shows how the Pulsar Perf produces messages with the <code>transaction</code> option.</p><p><strong>Input</strong></p><div class="language-shell codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-shell codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#F8F8F2"><span class="token plain">bin/pulsar-perf produce my-topic -r </span><span class="token number">10</span><span class="token plain"> -m </span><span class="token number">100</span><span class="token plain"> -txn</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-shell codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-shell codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#F8F8F2"><span class="token number">2021</span><span class="token plain">-10-11T13:36:15,595+0800 INFO </span><span class="token punctuation" style="color:rgb(248, 248, 242)">[</span><span class="token plain">Thread-3</span><span class="token punctuation" style="color:rgb(248, 248, 242)">]</span><span class="token plain"> o.a.p.t.PerformanceProducer@499 - --- Transaction </span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token plain"> </span><span class="token number">2</span><span class="token plain"> transaction end successfully ---0 transaction end failed --- </span><span class="token number">0.200</span><span class="token plain"> Txn/s</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">2021</span><span class="token plain">-10-11T13:36:15,614+0800 INFO </span><span class="token punctuation" style="color:rgb(248, 248, 242)">[</span><span class="token plain">Thread-3</span><span class="token punctuation" style="color:rgb(248, 248, 242)">]</span><span class="token plain"> o.a.p.t.PerformanceProducer@503 - Throughput produced: </span><span class="token number">100</span><span class="token plain"> msg --- </span><span class="token number">0.0</span><span class="token plain"> msg/s --- </span><span class="token number">0.1</span><span class="token plain"> Mbit/s --- failure </span><span class="token number">0.0</span><span class="token plain"> msg/s --- Latency: mean: </span><span class="token number">3.067</span><span class="token plain"> ms - med: </span><span class="token number">3.104</span><span class="token plain"> - 95pct: </span><span class="token number">3.747</span><span class="token plain"> - 99pct: </span><span class="token number">4.619</span><span class="token plain"> - </span><span class="token number">99</span><span class="token plain">.9pct: </span><span class="token number">6.760</span><span class="token plain"> - </span><span class="token number">99</span><span class="token plain">.99pct: </span><span class="token number">6.760</span><span class="token plain"> - Max: </span><span class="token number">6.760</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">2021</span><span class="token plain">-10-11T13:36:15,710+0800 INFO </span><span class="token punctuation" style="color:rgb(248, 248, 242)">[</span><span class="token plain">pulsar-perf-producer-exec-46-1</span><span class="token punctuation" style="color:rgb(248, 248, 242)">]</span><span class="token plain"> o.a.p.t.PerformanceProducer@834 - Aggregated latency stats --- Latency: mean: </span><span class="token number">3.067</span><span class="token plain"> ms - med: </span><span class="token number">3.104</span><span class="token plain"> - 95pct: </span><span class="token number">3.747</span><span class="token plain"> - 99pct: </span><span class="token number">4.619</span><span class="token plain"> - </span><span class="token number">99</span><span class="token plain">.9pct: </span><span class="token number">6.760</span><span class="token plain"> - </span><span class="token number">99</span><span class="token plain">.99pct: </span><span class="token number">6.760</span><span class="token plain"> - </span><span class="token number">99</span><span class="token plain">.999pct: </span><span class="token number">6.760</span><span class="token plain"> - Max: </span><span class="token number">6.760</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">2021</span><span class="token plain">-10-11T13:36:29,976+0800 INFO </span><span class="token punctuation" style="color:rgb(248, 248, 242)">[</span><span class="token plain">Thread-4</span><span class="token punctuation" style="color:rgb(248, 248, 242)">]</span><span class="token plain"> o.a.p.t.PerformanceProducer@815 - --- Transaction </span><span class="token builtin class-name" style="color:rgb(189, 147, 249)">:</span><span class="token plain"> </span><span class="token number">2</span><span class="token plain"> transaction end successfully --- </span><span class="token number">0</span><span class="token plain"> transaction end failed --- </span><span class="token number">2</span><span class="token plain"> transaction </span><span class="token function" style="color:rgb(80, 250, 123)">open</span><span class="token plain"> successfully --- </span><span class="token number">0</span><span class="token plain"> transaction </span><span class="token function" style="color:rgb(80, 250, 123)">open</span><span class="token plain"> failed --- </span><span class="token number">12.237</span><span class="token plain"> Txn/s</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">2021</span><span class="token plain">-10-11T13:36:29,976+0800 INFO </span><span class="token punctuation" style="color:rgb(248, 248, 242)">[</span><span class="token plain">Thread-4</span><span class="token punctuation" style="color:rgb(248, 248, 242)">]</span><span class="token plain"> o.a.p.t.PerformanceProducer@824 - Aggregated throughput stats --- </span><span class="token number">102</span><span class="token plain"> records sent --- </span><span class="token number">4.168</span><span class="token plain"> msg/s --- </span><span class="token number">0.033</span><span class="token plain"> Mbit/s</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><h2 class="anchor anchorWithStickyNavbar_LWe7" id="consume-messages">Consume messages<a href="#consume-messages" class="hash-link" aria-label="Direct link to Consume messages" title="Direct link to Consume messages">​</a></h2><div class="theme-admonition theme-admonition-tip alert alert--success admonition_LlT9"><div class="admonitionHeading_tbUL"><span class="admonitionIcon_kALy"><svg viewBox="0 0 12 16"><path fill-rule="evenodd" d="M6.5 0C3.48 0 1 2.19 1 5c0 .92.55 2.25 1 3 1.34 2.25 1.78 2.78 2 4v1h5v-1c.22-1.22.66-1.75 2-4 .45-.75 1-2.08 1-3 0-2.81-2.48-5-5.5-5zm3.64 7.48c-.25.44-.47.8-.67 1.11-.86 1.41-1.25 2.06-1.45 3.23-.02.05-.02.11-.02.17H5c0-.06 0-.13-.02-.17-.2-1.17-.59-1.83-1.45-3.23-.2-.31-.42-.67-.67-1.11C2.44 6.78 2 5.65 2 5c0-2.2 2.02-4 4.5-4 1.22 0 2.36.42 3.22 1.19C10.55 2.94 11 3.94 11 5c0 .66-.44 1.78-.86 2.48zM4 14h5c-.23 1.14-1.3 2-2.5 2s-2.27-.86-2.5-2z"></path></svg></span>tip</div><div class="admonitionContent_S0QG"><p>For the latest and complete information about <code>pulsar-perf</code>, including commands, flags, descriptions, and more, see <a href="/reference/#/next/pulsar-perf/" target="_blank" rel="noopener noreferrer"><code>pulsar-perf</code></a>.</p></div></div><ul><li><p>This example shows how the Pulsar Perf consumes messages with <strong>default</strong> options.</p><p><strong>Input</strong></p><div class="theme-admonition theme-admonition-note alert alert--secondary admonition_LlT9"><div class="admonitionHeading_tbUL"><span class="admonitionIcon_kALy"><svg viewBox="0 0 14 16"><path fill-rule="evenodd" d="M6.3 5.69a.942.942 0 0 1-.28-.7c0-.28.09-.52.28-.7.19-.18.42-.28.7-.28.28 0 .52.09.7.28.18.19.28.42.28.7 0 .28-.09.52-.28.7a1 1 0 0 1-.7.3c-.28 0-.52-.11-.7-.3zM8 7.99c-.02-.25-.11-.48-.31-.69-.2-.19-.42-.3-.69-.31H6c-.27.02-.48.13-.69.31-.2.2-.3.44-.31.69h1v3c.02.27.11.5.31.69.2.2.42.31.69.31h1c.27 0 .48-.11.69-.31.2-.19.3-.42.31-.69H8V7.98v.01zM7 2.3c-3.14 0-5.7 2.54-5.7 5.68 0 3.14 2.56 5.7 5.7 5.7s5.7-2.55 5.7-5.7c0-3.15-2.56-5.69-5.7-5.69v.01zM7 .98c3.86 0 7 3.14 7 7s-3.14 7-7 7-7-3.12-7-7 3.14-7 7-7z"></path></svg></span>note</div><div class="admonitionContent_S0QG"><p>If you have not created a topic (in this example, it is <em>my-topic</em>) before, the broker creates a new topic without partitions and messages, then the consumer can not receive any messages. Consequently, before using <code>pulsar-perf consume</code>, make sure your topic has enough messages to consume.</p></div></div><div class="language-shell codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-shell codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#F8F8F2"><span class="token plain">bin/pulsar-perf consume my-topic</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>After the command is executed, the test data is continuously output on the Console.</p><p><strong>Output</strong></p><div class="language-shell codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-shell codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#F8F8F2"><span class="token number">20</span><span class="token plain">:35:37.071 </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.PerformanceConsumer - Start receiving from </span><span class="token number">1</span><span class="token plain"> consumers on </span><span class="token number">1</span><span class="token plain"> topics</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token number">20</span><span class="token plain">:35:41.150 </span><span class="token punctuation" style="color:rgb(248, 248, 242)">[</span><span class="token plain">pulsar-client-io-1-9</span><span class="token punctuation" style="color:rgb(248, 248, 242)">]</span><span class="token plain"> WARN com.scurrilous.circe.checksum.Crc32cIntChecksum - Failed to load Circe JNI library. Falling back to Java based CRC32c provider</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token number">20</span><span class="token plain">:35:47.092 </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.PerformanceConsumer - Throughput received: </span><span class="token number">59.572</span><span class="token plain"> msg/s -- </span><span class="token number">0.465</span><span class="token plain"> Mbit/s --- Latency: mean: </span><span class="token number">11.298</span><span class="token plain"> ms - med: </span><span class="token number">10</span><span class="token plain"> - 95pct: </span><span class="token number">15</span><span class="token plain"> - 99pct: </span><span class="token number">98</span><span class="token plain"> - </span><span class="token number">99</span><span class="token plain">.9pct: </span><span class="token number">137</span><span class="token plain"> - </span><span class="token number">99</span><span class="token plain">.99pct: </span><span class="token number">152</span><span class="token plain"> - Max: </span><span class="token number">152</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token number">20</span><span class="token plain">:35:57.104 </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.PerformanceConsumer - Throughput received: </span><span class="token number">99.958</span><span class="token plain"> msg/s -- </span><span class="token number">0.781</span><span class="token plain"> Mbit/s --- Latency: mean: </span><span class="token number">9.176</span><span class="token plain"> ms - med: </span><span class="token number">9</span><span class="token plain"> - 95pct: </span><span class="token number">15</span><span class="token plain"> - 99pct: </span><span class="token number">16</span><span class="token plain"> - </span><span class="token number">99</span><span class="token plain">.9pct: </span><span class="token number">17</span><span class="token plain"> - </span><span class="token number">99</span><span class="token plain">.99pct: </span><span class="token number">18</span><span class="token plain"> - Max: </span><span class="token number">18</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token number">20</span><span class="token plain">:36:07.115 </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.PerformanceConsumer - Throughput received: </span><span class="token number">100.006</span><span class="token plain"> msg/s -- </span><span class="token number">0.781</span><span class="token plain"> Mbit/s --- Latency: mean: </span><span class="token number">9.316</span><span class="token plain"> ms - med: </span><span class="token number">9</span><span class="token plain"> - 95pct: </span><span class="token number">15</span><span class="token plain"> - 99pct: </span><span class="token number">16</span><span class="token plain"> - </span><span class="token number">99</span><span class="token plain">.9pct: </span><span class="token number">17</span><span class="token plain"> - </span><span class="token number">99</span><span class="token plain">.99pct: </span><span class="token number">17</span><span class="token plain"> - Max: </span><span class="token number">17</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token number">20</span><span class="token plain">:36:17.125 </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.PerformanceConsumer - Throughput received: </span><span class="token number">100.085</span><span class="token plain"> msg/s -- </span><span class="token number">0.782</span><span class="token plain"> Mbit/s --- Latency: mean: </span><span class="token number">9.327</span><span class="token plain"> ms - med: </span><span class="token number">9</span><span class="token plain"> - 95pct: </span><span class="token number">15</span><span class="token plain"> - 99pct: </span><span class="token number">16</span><span class="token plain"> - </span><span class="token number">99</span><span class="token plain">.9pct: </span><span class="token number">17</span><span class="token plain"> - </span><span class="token number">99</span><span class="token plain">.99pct: </span><span class="token number">17</span><span class="token plain"> - Max: </span><span class="token number">17</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token number">20</span><span class="token plain">:36:27.136 </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.PerformanceConsumer - Throughput received: </span><span class="token number">99.900</span><span class="token plain"> msg/s -- </span><span class="token number">0.780</span><span class="token plain"> Mbit/s --- Latency: mean: </span><span class="token number">9.404</span><span class="token plain"> ms - med: </span><span class="token number">9</span><span class="token plain"> - 95pct: </span><span class="token number">15</span><span class="token plain"> - 99pct: </span><span class="token number">16</span><span class="token plain"> - </span><span class="token number">99</span><span class="token plain">.9pct: </span><span class="token number">17</span><span class="token plain"> - </span><span class="token number">99</span><span class="token plain">.99pct: </span><span class="token number">17</span><span class="token plain"> - Max: </span><span class="token number">17</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token number">20</span><span class="token plain">:36:37.147 </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.PerformanceConsumer - Throughput received: </span><span class="token number">99.985</span><span class="token plain"> msg/s -- </span><span class="token number">0.781</span><span class="token plain"> Mbit/s --- Latency: mean: </span><span class="token number">8.998</span><span class="token plain"> ms - med: </span><span class="token number">9</span><span class="token plain"> - 95pct: </span><span class="token number">15</span><span class="token plain"> - 99pct: </span><span class="token number">16</span><span class="token plain"> - </span><span class="token number">99</span><span class="token plain">.9pct: </span><span class="token number">17</span><span class="token plain"> - </span><span class="token number">99</span><span class="token plain">.99pct: </span><span class="token number">17</span><span class="token plain"> - Max: </span><span class="token number">17</span><span class="token plain"></span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain">^C20:36:42.755 </span><span class="token punctuation" style="color:rgb(248, 248, 242)">[</span><span class="token plain">Thread-1</span><span class="token punctuation" style="color:rgb(248, 248, 242)">]</span><span class="token plain"> INFO org.apache.pulsar.testclient.PerformanceConsumer - Aggregated throughput stats --- </span><span class="token number">6051</span><span class="token plain"> records received --- </span><span class="token number">92.125</span><span class="token plain"> msg/s --- </span><span class="token number">0.720</span><span class="token plain"> Mbit/s</span><br></span><span class="token-line" style="color:#F8F8F2"><span class="token plain"></span><span class="token number">20</span><span class="token plain">:36:42.759 </span><span class="token punctuation" style="color:rgb(248, 248, 242)">[</span><span class="token plain">Thread-1</span><span class="token punctuation" style="color:rgb(248, 248, 242)">]</span><span class="token plain"> INFO org.apache.pulsar.testclient.PerformanceConsumer - Aggregated latency stats --- Latency: mean: </span><span class="token number">9.422</span><span class="token plain"> ms - med: </span><span class="token number">9</span><span class="token plain"> - 95pct: </span><span class="token number">15</span><span class="token plain"> - 99pct: </span><span class="token number">16</span><span class="token plain"> - </span><span class="token number">99</span><span class="token plain">.9pct: </span><span class="token number">98</span><span class="token plain"> - </span><span class="token number">99</span><span class="token plain">.99pct: </span><span class="token number">137</span><span class="token plain"> - </span><span class="token number">99</span><span class="token plain">.999pct: </span><span class="token number">152</span><span class="token plain"> - Max: </span><span class="token number">152</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>From the output test data, you can get the throughput statistics and the end-to-end latency statistics. The aggregated statistics are printed after the Pulsar Perf is stopped. You can press <strong>Ctrl</strong>+<strong>C</strong> to stop the Pulsar Perf.</p></li><li><p>This example shows how the Pulsar Perf consumes messages with the <code>transaction</code> option.</p><p><strong>Input</strong></p><div class="language-shell codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-shell codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#F8F8F2"><span class="token plain">bin/pulsar-perf consume my-topic -r </span><span class="token number">10</span><span class="token plain"> -txn -ss mysubName -st Exclusive -sp Earliest -ntxn </span><span class="token number">10</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><div class="theme-admonition theme-admonition-note alert alert--secondary admonition_LlT9"><div class="admonitionHeading_tbUL"><span class="admonitionIcon_kALy"><svg viewBox="0 0 14 16"><path fill-rule="evenodd" d="M6.3 5.69a.942.942 0 0 1-.28-.7c0-.28.09-.52.28-.7.19-.18.42-.28.7-.28.28 0 .52.09.7.28.18.19.28.42.28.7 0 .28-.09.52-.28.7a1 1 0 0 1-.7.3c-.28 0-.52-.11-.7-.3zM8 7.99c-.02-.25-.11-.48-.31-.69-.2-.19-.42-.3-.69-.31H6c-.27.02-.48.13-.69.31-.2.2-.3.44-.31.69h1v3c.02.27.11.5.31.69.2.2.42.31.69.31h1c.27 0 .48-.11.69-.31.2-.19.3-.42.31-.69H8V7.98v.01zM7 2.3c-3.14 0-5.7 2.54-5.7 5.68 0 3.14 2.56 5.7 5.7 5.7s5.7-2.55 5.7-5.7c0-3.15-2.56-5.69-5.7-5.69v.01zM7 .98c3.86 0 7 3.14 7 7s-3.14 7-7 7-7-3.12-7-7 3.14-7 7-7z"></path></svg></span>note</div><div class="admonitionContent_S0QG"><p>If you have not created a topic (in this example, it is <em>my-topic</em>) before, the broker creates a new topic without partitions and messages, then the consumer can not receive any messages. Consequently, before using <code>pulsar-perf consume</code>, make sure your topic has enough messages to consume.</p></div></div></li></ul><p> <strong>Output</strong></p><div class="language-shell codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-shell codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#F8F8F2"><span class="token number">2021</span><span class="token plain">-10-11T13:43:36,052+0800 INFO </span><span class="token punctuation" style="color:rgb(248, 248, 242)">[</span><span class="token plain">Thread-3</span><span class="token punctuation" style="color:rgb(248, 248, 242)">]</span><span class="token plain"> o.a.p.t.PerformanceConsumer@538 - --- Transaction: </span><span class="token number">6</span><span class="token plain"> transaction end successfully --- </span><span class="token number">0</span><span class="token plain"> transaction end failed --- </span><span class="token number">0.199</span><span class="token plain"> Txn/s --- AckRate: </span><span class="token number">9.952</span><span class="token plain"> msg/s</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">2021</span><span class="token plain">-10-11T13:43:36,065+0800 INFO </span><span class="token punctuation" style="color:rgb(248, 248, 242)">[</span><span class="token plain">Thread-3</span><span class="token punctuation" style="color:rgb(248, 248, 242)">]</span><span class="token plain"> o.a.p.t.PerformanceConsumer@545 - Throughput received: </span><span class="token number">306</span><span class="token plain"> msg --- </span><span class="token number">9.952</span><span class="token plain"> msg/s -- </span><span class="token number">0.000</span><span class="token plain"> Mbit/s --- Latency: mean: </span><span class="token number">26177.380</span><span class="token plain"> ms - med: </span><span class="token number">26128</span><span class="token plain"> - 95pct: </span><span class="token number">30531</span><span class="token plain"> - 99pct: </span><span class="token number">30923</span><span class="token plain"> - </span><span class="token number">99</span><span class="token plain">.9pct: </span><span class="token number">31021</span><span class="token plain"> - </span><span class="token number">99</span><span class="token plain">.99pct: </span><span class="token number">31021</span><span class="token plain"> - Max: </span><span class="token number">31021</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">2021</span><span class="token plain">-10-11T13:43:59,854+0800 INFO </span><span class="token punctuation" style="color:rgb(248, 248, 242)">[</span><span class="token plain">Thread-5</span><span class="token punctuation" style="color:rgb(248, 248, 242)">]</span><span class="token plain"> o.a.p.t.PerformanceConsumer@579 - -- Transaction: </span><span class="token number">10</span><span class="token plain"> transaction end successfully --- </span><span class="token number">0</span><span class="token plain"> transaction end failed --- </span><span class="token number">10</span><span class="token plain"> transaction </span><span class="token function" style="color:rgb(80, 250, 123)">open</span><span class="token plain"> successfully --- </span><span class="token number">0</span><span class="token plain"> transaction </span><span class="token function" style="color:rgb(80, 250, 123)">open</span><span class="token plain"> failed --- </span><span class="token number">0.185</span><span class="token plain"> Txn/s</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">2021</span><span class="token plain">-10-11T13:43:59,854+0800 INFO </span><span class="token punctuation" style="color:rgb(248, 248, 242)">[</span><span class="token plain">Thread-5</span><span class="token punctuation" style="color:rgb(248, 248, 242)">]</span><span class="token plain"> o.a.p.t.PerformanceConsumer@588 - Aggregated throughput stats --- </span><span class="token number">505</span><span class="token plain"> records received --- </span><span class="token number">9.345</span><span class="token plain"> msg/s --- </span><span class="token number">0.000</span><span class="token plain"> Mbit/s--- AckRate: </span><span class="token number">9.27065308842743</span><span class="token plain"> msg/s --- ack failed </span><span class="token number">4</span><span class="token plain"> msg</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">2021</span><span class="token plain">-10-11T13:43:59,882+0800 INFO </span><span class="token punctuation" style="color:rgb(248, 248, 242)">[</span><span class="token plain">Thread-5</span><span class="token punctuation" style="color:rgb(248, 248, 242)">]</span><span class="token plain"> o.a.p.t.PerformanceConsumer@601 - Aggregated latency stats --- Latency: mean: </span><span class="token number">50593.000</span><span class="token plain"> ms - med: </span><span class="token number">50593</span><span class="token plain"> - 95pct: </span><span class="token number">50593</span><span class="token plain"> - 99pct: </span><span class="token number">50593</span><span class="token plain"> - </span><span class="token number">99</span><span class="token plain">.9pct: </span><span class="token number">50593</span><span class="token plain"> - </span><span class="token number">99</span><span class="token plain">.99pct: </span><span class="token number">50593</span><span class="token plain"> - </span><span class="token number">99</span><span class="token plain">.999pct: </span><span class="token number">50593</span><span class="token plain"> - Max: </span><span class="token number">50593</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><h2 class="anchor anchorWithStickyNavbar_LWe7" id="transactions">Transactions<a href="#transactions" class="hash-link" aria-label="Direct link to Transactions" title="Direct link to Transactions">​</a></h2><p>This section shows how Pulsar Perf runs transactions. For more information, see <a href="/docs/next/txn-why/">Pulsar transactions</a>.</p><h3 class="anchor anchorWithStickyNavbar_LWe7" id="use-transaction">Use transaction<a href="#use-transaction" class="hash-link" aria-label="Direct link to Use transaction" title="Direct link to Use transaction">​</a></h3><p>This example executes 50 transactions. Each transaction sends and receives 1 message (default).</p><p><strong>Input</strong></p><div class="language-shell codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-shell codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#F8F8F2"><span class="token plain">bin/pulsar-perf transaction --topics-c myConsumerTopic --topics-p MyproduceTopic -threads </span><span class="token number">1</span><span class="token plain"> -ntxn </span><span class="token number">50</span><span class="token plain"> -ss testSub -nmp </span><span class="token number">1</span><span class="token plain"> -nmc </span><span class="token number">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><div class="theme-admonition theme-admonition-note alert alert--secondary admonition_LlT9"><div class="admonitionHeading_tbUL"><span class="admonitionIcon_kALy"><svg viewBox="0 0 14 16"><path fill-rule="evenodd" d="M6.3 5.69a.942.942 0 0 1-.28-.7c0-.28.09-.52.28-.7.19-.18.42-.28.7-.28.28 0 .52.09.7.28.18.19.28.42.28.7 0 .28-.09.52-.28.7a1 1 0 0 1-.7.3c-.28 0-.52-.11-.7-.3zM8 7.99c-.02-.25-.11-.48-.31-.69-.2-.19-.42-.3-.69-.31H6c-.27.02-.48.13-.69.31-.2.2-.3.44-.31.69h1v3c.02.27.11.5.31.69.2.2.42.31.69.31h1c.27 0 .48-.11.69-.31.2-.19.3-.42.31-.69H8V7.98v.01zM7 2.3c-3.14 0-5.7 2.54-5.7 5.68 0 3.14 2.56 5.7 5.7 5.7s5.7-2.55 5.7-5.7c0-3.15-2.56-5.69-5.7-5.69v.01zM7 .98c3.86 0 7 3.14 7 7s-3.14 7-7 7-7-3.12-7-7 3.14-7 7-7z"></path></svg></span>note</div><div class="admonitionContent_S0QG"><p>If you have not created a topic (in this example, it is <em>myConsumerTopic</em>) before, the broker creates a new topic without partitions and messages, then the consumer can not receive any messages. Consequently, before using <code>pulsar-perf transaction</code>, make sure your topic has enough messages to consume.</p></div></div><p><strong>Output</strong></p><div class="language-shell codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-shell codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#F8F8F2"><span class="token number">2021</span><span class="token plain">-10-11T14:37:27,863+0800 INFO </span><span class="token punctuation" style="color:rgb(248, 248, 242)">[</span><span class="token plain">Thread-5</span><span class="token punctuation" style="color:rgb(248, 248, 242)">]</span><span class="token plain"> o.a.p.t.PerformanceProducer@613 - Messages ack aggregated latency stats --- Latency: mean: </span><span class="token number">29.239</span><span class="token plain"> ms - med: </span><span class="token number">26.799</span><span class="token plain"> - 95pct: </span><span class="token number">46.696</span><span class="token plain"> - 99pct: </span><span class="token number">55.660</span><span class="token plain"> - </span><span class="token number">99</span><span class="token plain">.9pct: </span><span class="token number">55.660</span><span class="token plain"> - </span><span class="token number">99</span><span class="token plain">.99pct: </span><span class="token number">55.660</span><span class="token plain"> - </span><span class="token number">99</span><span class="token plain">.999pct: </span><span class="token number">55.660</span><span class="token plain"> - Max: </span><span class="token number">55.660</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><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">2021</span><span class="token plain">-10-11T14:37:19,391+0800 INFO </span><span class="token punctuation" style="color:rgb(248, 248, 242)">[</span><span class="token plain">Thread-4</span><span class="token punctuation" style="color:rgb(248, 248, 242)">]</span><span class="token plain"> o.a.p.t.PerformanceProducer@525 - Throughput transaction: </span><span class="token number">50</span><span class="token plain"> transaction executes --- </span><span class="token number">4.999</span><span class="token plain"> transaction/s ---send Latency: mean: </span><span class="token number">31.368</span><span class="token plain"> ms - med: </span><span class="token number">28.369</span><span class="token plain"> - 95pct: </span><span class="token number">55.631</span><span class="token plain"> - 99pct: </span><span class="token number">57.764</span><span class="token plain"> - </span><span class="token number">99</span><span class="token plain">.9pct: </span><span class="token number">57.764</span><span class="token plain"> - </span><span class="token number">99</span><span class="token plain">.99pct: </span><span class="token number">57.764</span><span class="token plain"> - Max: </span><span class="token number">57.764</span><span class="token plain">---ack Latency: mean: </span><span class="token number">29.239</span><span class="token plain"> ms - med: </span><span class="token number">26.799</span><span class="token plain"> - 95pct: </span><span class="token number">46.696</span><span class="token plain"> - 99pct: </span><span class="token number">55.660</span><span class="token plain"> - </span><span class="token number">99</span><span class="token plain">.9pct: </span><span class="token number">55.660</span><span class="token plain"> - </span><span class="token number">99</span><span class="token plain">.99pct: </span><span class="token number">55.660</span><span class="token plain"> - Max: </span><span class="token number">55.660</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><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">2021</span><span class="token plain">-10-11T14:37:26,625+0800 INFO </span><span class="token punctuation" style="color:rgb(248, 248, 242)">[</span><span class="token plain">Thread-5</span><span class="token punctuation" style="color:rgb(248, 248, 242)">]</span><span class="token plain"> o.a.p.t.PerformanceProducer@571 - Aggregated throughput stats --- </span><span class="token number">50</span><span class="token plain"> transaction executed --- </span><span class="token number">2.718</span><span class="token plain"> transaction/s --- </span><span class="token number">50</span><span class="token plain"> transaction </span><span class="token function" style="color:rgb(80, 250, 123)">open</span><span class="token plain"> successfully --- </span><span class="token number">0</span><span class="token plain"> transaction </span><span class="token function" style="color:rgb(80, 250, 123)">open</span><span class="token plain"> failed --- </span><span class="token number">50</span><span class="token plain"> transaction end successfully --- </span><span class="token number">0</span><span class="token plain"> transaction end failed--- </span><span class="token number">0</span><span class="token plain"> message ack failed --- </span><span class="token number">0</span><span class="token plain"> message send failed--- </span><span class="token number">50</span><span class="token plain"> message ack success --- </span><span class="token number">50</span><span class="token plain"> message send success </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><h3 class="anchor anchorWithStickyNavbar_LWe7" id="disable-transaction">Disable Transaction<a href="#disable-transaction" class="hash-link" aria-label="Direct link to Disable Transaction" title="Direct link to Disable Transaction">​</a></h3><p>This example disables transactions.</p><p><strong>Input</strong></p><div class="language-shell codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-shell codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#F8F8F2"><span class="token plain">bin/pulsar-perf transaction --topics-c myConsumerTopic --topics-p myproduceTopic -threads </span><span class="token number">1</span><span class="token plain"> -ntxn </span><span class="token number">50</span><span class="token plain"> -ss testSub --txn-disEnable</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><div class="theme-admonition theme-admonition-note alert alert--secondary admonition_LlT9"><div class="admonitionHeading_tbUL"><span class="admonitionIcon_kALy"><svg viewBox="0 0 14 16"><path fill-rule="evenodd" d="M6.3 5.69a.942.942 0 0 1-.28-.7c0-.28.09-.52.28-.7.19-.18.42-.28.7-.28.28 0 .52.09.7.28.18.19.28.42.28.7 0 .28-.09.52-.28.7a1 1 0 0 1-.7.3c-.28 0-.52-.11-.7-.3zM8 7.99c-.02-.25-.11-.48-.31-.69-.2-.19-.42-.3-.69-.31H6c-.27.02-.48.13-.69.31-.2.2-.3.44-.31.69h1v3c.02.27.11.5.31.69.2.2.42.31.69.31h1c.27 0 .48-.11.69-.31.2-.19.3-.42.31-.69H8V7.98v.01zM7 2.3c-3.14 0-5.7 2.54-5.7 5.68 0 3.14 2.56 5.7 5.7 5.7s5.7-2.55 5.7-5.7c0-3.15-2.56-5.69-5.7-5.69v.01zM7 .98c3.86 0 7 3.14 7 7s-3.14 7-7 7-7-3.12-7-7 3.14-7 7-7z"></path></svg></span>note</div><div class="admonitionContent_S0QG"><p>If you have not created a topic (in this example, it is <em>myConsumerTopic</em>) before, the broker creates a new topic without partitions and messages, then the consumer can not receive any messages. Consequently, before using <code>pulsar-perf transaction --txn-disEnable</code>, make sure your topic has enough messages to consume.</p></div></div><p><strong>Output</strong></p><div class="language-shell codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-shell codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#F8F8F2"><span class="token number">2021</span><span class="token plain">-10-11T16:48:26,876+0800 INFO </span><span class="token punctuation" style="color:rgb(248, 248, 242)">[</span><span class="token plain">Thread-4</span><span class="token punctuation" style="color:rgb(248, 248, 242)">]</span><span class="token plain"> o.a.p.t.PerformanceProducer@529 - Throughput task: </span><span class="token number">50</span><span class="token plain"> task executes --- </span><span class="token number">4.999</span><span class="token plain"> task/s ---send Latency: mean: </span><span class="token number">10.002</span><span class="token plain"> ms - med: </span><span class="token number">9.875</span><span class="token plain"> - 95pct: </span><span class="token number">11.733</span><span class="token plain"> - 99pct: </span><span class="token number">15.995</span><span class="token plain"> - </span><span class="token number">99</span><span class="token plain">.9pct: </span><span class="token number">15.995</span><span class="token plain"> - </span><span class="token number">99</span><span class="token plain">.99pct: </span><span class="token number">15.995</span><span class="token plain"> - Max: </span><span class="token number">15.995</span><span class="token plain">---ack Latency: mean: </span><span class="token number">0.051</span><span class="token plain"> ms - med: </span><span class="token number">0.020</span><span class="token plain"> - 95pct: </span><span class="token number">0.059</span><span class="token plain"> - 99pct: </span><span class="token number">1.377</span><span class="token plain"> - </span><span class="token number">99</span><span class="token plain">.9pct: </span><span class="token number">1.377</span><span class="token plain"> - </span><span class="token number">99</span><span class="token plain">.99pct: </span><span class="token number">1.377</span><span class="token plain"> - Max: </span><span class="token number">1.377</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">2021</span><span class="token plain">-10-11T16:48:29,222+0800 INFO </span><span class="token punctuation" style="color:rgb(248, 248, 242)">[</span><span class="token plain">Thread-5</span><span class="token punctuation" style="color:rgb(248, 248, 242)">]</span><span class="token plain"> o.a.p.t.PerformanceProducer@617 - Messages ack aggregated latency stats --- Latency: mean: </span><span class="token number">0.051</span><span class="token plain"> ms - med: </span><span class="token number">0.020</span><span class="token plain"> - 95pct: </span><span class="token number">0.059</span><span class="token plain"> - 99pct: </span><span class="token number">1.377</span><span class="token plain"> - </span><span class="token number">99</span><span class="token plain">.9pct: </span><span class="token number">1.377</span><span class="token plain"> - </span><span class="token number">99</span><span class="token plain">.99pct: </span><span class="token number">1.377</span><span class="token plain"> - </span><span class="token number">99</span><span class="token plain">.999pct: </span><span class="token number">1.377</span><span class="token plain"> - Max: </span><span class="token number">1.377</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">2021</span><span class="token plain">-10-11T16:48:29,246+0800 INFO </span><span class="token punctuation" style="color:rgb(248, 248, 242)">[</span><span class="token plain">Thread-5</span><span class="token punctuation" style="color:rgb(248, 248, 242)">]</span><span class="token plain"> o.a.p.t.PerformanceProducer@629 - Messages send aggregated latency stats --- Latency: mean: </span><span class="token number">10.002</span><span class="token plain"> ms - med: </span><span class="token number">9.875</span><span class="token plain"> - 95pct: </span><span class="token number">11.733</span><span class="token plain"> - 99pct: </span><span class="token number">15.995</span><span class="token plain"> - </span><span class="token number">99</span><span class="token plain">.9pct: </span><span class="token number">15.995</span><span class="token plain"> - </span><span class="token number">99</span><span class="token plain">.99pct: </span><span class="token number">15.995</span><span class="token plain"> - </span><span class="token number">99</span><span class="token plain">.999pct: </span><span class="token number">15.995</span><span class="token plain"> - Max: </span><span class="token number">15.995</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">2021</span><span class="token plain">-10-11T16:48:29,117+0800 INFO </span><span class="token punctuation" style="color:rgb(248, 248, 242)">[</span><span class="token plain">Thread-5</span><span class="token punctuation" style="color:rgb(248, 248, 242)">]</span><span class="token plain"> o.a.p.t.PerformanceProducer@602 - Aggregated throughput stats --- </span><span class="token number">50</span><span class="token plain"> task executed --- </span><span class="token number">4.025</span><span class="token plain"> task/s --- </span><span class="token number">0</span><span class="token plain"> message ack failed --- </span><span class="token number">0</span><span class="token plain"> message send failed--- </span><span class="token number">50</span><span class="token plain"> message ack success --- </span><span class="token number">50</span><span class="token plain"> message send success</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><h2 class="anchor anchorWithStickyNavbar_LWe7" id="configurations">Configurations<a href="#configurations" class="hash-link" aria-label="Direct link to Configurations" title="Direct link to Configurations">​</a></h2><p>By default, the Pulsar Perf uses <code>conf/client.conf</code> as the default configuration and uses <code>conf/log4j2.yaml</code> as the default Log4j configuration. If you want to connect to other Pulsar clusters, you can update the <code>brokerServiceUrl</code> in the client configuration.</p><p>You can use the following commands to change the configuration file and the Log4j configuration file.</p><div class="language-shell codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-shell codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#F8F8F2"><span class="token builtin class-name" style="color:rgb(189, 147, 249)">export</span><span class="token plain"> </span><span class="token assign-left variable" style="color:rgb(189, 147, 249);font-style:italic">PULSAR_CLIENT_CONF</span><span class="token operator">=</span><span class="token operator">&lt;</span><span class="token plain">your-config-file</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 builtin class-name" style="color:rgb(189, 147, 249)">export</span><span class="token plain"> </span><span class="token assign-left variable" style="color:rgb(189, 147, 249);font-style:italic">PULSAR_LOG_CONF</span><span class="token operator">=</span><span class="token operator">&lt;</span><span class="token plain">your-log-config-file</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><p>In addition, you can use the following command to configure the JVM configuration through environment variables:</p><div class="language-shell codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-shell codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#F8F8F2"><span class="token builtin class-name" style="color:rgb(189, 147, 249)">export</span><span class="token plain"> </span><span class="token assign-left variable" style="color:rgb(189, 147, 249);font-style:italic">PULSAR_EXTRA_OPTS</span><span class="token operator">=</span><span class="token string" style="color:rgb(255, 121, 198)">&#x27;-Xms4g -Xmx4g -XX:MaxDirectMemorySize=4g&#x27;</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><h2 class="anchor anchorWithStickyNavbar_LWe7" id="hdrhistogram-plotter">HdrHistogram Plotter<a href="#hdrhistogram-plotter" class="hash-link" aria-label="Direct link to HdrHistogram Plotter" title="Direct link to HdrHistogram Plotter">​</a></h2><p>The <a href="https://hdrhistogram.github.io/HdrHistogram/plotFiles.html" target="_blank" rel="noopener noreferrer">HdrHistogram Plotter</a> is a visualization tool for checking Pulsar Perf test results, which makes it easier to observe the test results.</p><p>To check test results through the HdrHistogram Plotter, follow these steps:</p><ol><li><p>Clone the HdrHistogram repository from GitHub to the local.</p><div class="language-shell codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-shell 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)">git</span><span class="token plain"> clone https://github.com/HdrHistogram/HdrHistogram.git</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>Switch to the HdrHistogram folder.</p><div class="language-shell codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-shell codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#F8F8F2"><span class="token builtin class-name" style="color:rgb(189, 147, 249)">cd</span><span class="token plain"> HdrHistogram</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>Install the HdrHistogram Plotter.</p><div class="language-shell codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-shell codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#F8F8F2"><span class="token plain">mvn clean </span><span class="token function" style="color:rgb(80, 250, 123)">install</span><span class="token plain"> -DskipTests</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>Transform the file generated by the Pulsar Perf.</p><div class="language-shell codeBlockContainer_Ckt0 theme-code-block" style="--prism-color:#F8F8F2;--prism-background-color:#282A36"><div class="codeBlockContent_biex"><pre tabindex="0" class="prism-code language-shell codeBlock_bY9V thin-scrollbar"><code class="codeBlockLines_e6Vv"><span class="token-line" style="color:#F8F8F2"><span class="token plain">./HistogramLogProcessor -i </span><span class="token operator">&lt;</span><span class="token plain">hgrm </span><span class="token function" style="color:rgb(80, 250, 123)">file</span><span class="token plain"> path that pulsar-perf generated</span><span class="token operator">&gt;</span><span class="token plain"> -o </span><span class="token operator">&lt;</span><span class="token plain">output file</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><li><p>You will get two output files. Upload the output file with the filename extension of .hgrm to the <a href="https://hdrhistogram.github.io/HdrHistogram/plotFiles.html" target="_blank" rel="noopener noreferrer">HdrHistogram Plotter</a>.</p></li><li><p>Check the test result through the Graphical User Interface of the HdrHistogram Plotter, as shown below.</p><p><img loading="lazy" alt="HdrHistogram Plotter generated visual test results" src="/assets/images/perf-produce-493b74d7a0a3ecb764cb21cabd8746b5.png" width="3356" height="1328" class="img_ev3q"></p></li></ol></div><footer class="theme-doc-footer docusaurus-mt-lg"><div class="theme-doc-footer-edit-meta-row row"><div class="col"><a href="https://github.com/apache/pulsar-site/edit/main/docs/performance-pulsar-perf.md" target="_blank" rel="noreferrer noopener" class="theme-edit-this-page"><svg fill="currentColor" height="20" width="20" viewBox="0 0 40 40" class="iconEdit_Z9Sw" aria-hidden="true"><g><path d="m34.5 11.7l-3 3.1-6.3-6.3 3.1-3q0.5-0.5 1.2-0.5t1.1 0.5l3.9 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