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<link rel="modulepreload" href="/assets/app.bd2aade7.js"><link rel="modulepreload" href="/assets/vmoption.html.0f459a46.js"><link rel="modulepreload" href="/assets/vmoption.html.7e8e3fb6.js"><link rel="prefetch" href="/assets/index.html.ec74869a.js"><link rel="prefetch" href="/assets/index.html.d3cced9f.js"><link rel="prefetch" href="/assets/index.html.c11a8683.js"><link rel="prefetch" href="/assets/advanced-use.html.d690d46c.js"><link rel="prefetch" href="/assets/advice-class.html.4e93ebd7.js"><link rel="prefetch" href="/assets/agent.html.a02fd5cb.js"><link rel="prefetch" href="/assets/arthas-properties.html.e0301951.js"><link rel="prefetch" href="/assets/arthas3.html.d1633eb8.js"><link rel="prefetch" href="/assets/async.html.17ea43ab.js"><link rel="prefetch" href="/assets/auth.html.37ca6bb5.js"><link rel="prefetch" href="/assets/base64.html.b9530fc8.js"><link rel="prefetch" href="/assets/batch-support.html.a2be35e2.js"><link rel="prefetch" href="/assets/cat.html.42885227.js"><link rel="prefetch" href="/assets/classloader.html.faacf70e.js"><link rel="prefetch" href="/assets/cls.html.af39fd39.js"><link rel="prefetch" href="/assets/commands.html.9dc0463a.js"><link rel="prefetch" href="/assets/contact-us.html.16fb01ac.js"><link rel="prefetch" href="/assets/dashboard.html.0b694615.js"><link rel="prefetch" href="/assets/docker.html.797da397.js"><link rel="prefetch" href="/assets/download.html.a75cd477.js"><link rel="prefetch" href="/assets/dump.html.e5e17e0e.js"><link rel="prefetch" href="/assets/echo.html.922d5af6.js"><link rel="prefetch" href="/assets/faq.html.abd854f1.js"><link rel="prefetch" href="/assets/getstatic.html.77a5a68e.js"><link rel="prefetch" href="/assets/grep.html.75fa6737.js"><link rel="prefetch" href="/assets/groovy.html.bcb88dfe.js"><link rel="prefetch" href="/assets/heapdump.html.5e26a91c.js"><link rel="prefetch" href="/assets/help.html.9365d9ca.js"><link rel="prefetch" href="/assets/history.html.19b5039d.js"><link rel="prefetch" href="/assets/http-api.html.1b6f4877.js"><link rel="prefetch" href="/assets/idea-plugin.html.438f3f13.js"><link rel="prefetch" href="/assets/install-detail.html.cfd3d763.js"><link rel="prefetch" href="/assets/jad.html.45a48802.js"><link rel="prefetch" href="/assets/jvm.html.9e2ef28b.js"><link rel="prefetch" href="/assets/keymap.html.82e95f8e.js"><link rel="prefetch" href="/assets/logger.html.38490b13.js"><link rel="prefetch" href="/assets/manual-install.html.1daf5a51.js"><link rel="prefetch" href="/assets/mbean.html.b5a19b16.js"><link rel="prefetch" href="/assets/mc.html.28a839a5.js"><link rel="prefetch" href="/assets/memory.html.21a8a665.js"><link rel="prefetch" href="/assets/monitor.html.ea7499e3.js"><link rel="prefetch" href="/assets/ognl.html.c55aa597.js"><link rel="prefetch" href="/assets/options.html.da3ef3a3.js"><link rel="prefetch" href="/assets/perfcounter.html.cfebcf2d.js"><link rel="prefetch" href="/assets/profiler.html.cd7e1584.js"><link rel="prefetch" href="/assets/pwd.html.9c92f559.js"><link rel="prefetch" href="/assets/quick-start.html.d9abe6d7.js"><link rel="prefetch" href="/assets/quit.html.3f89724d.js"><link rel="prefetch" href="/assets/redefine.html.8a08813b.js"><link rel="prefetch" href="/assets/release-notes.html.dc8ff1f0.js"><link rel="prefetch" href="/assets/reset.html.1413086f.js"><link rel="prefetch" href="/assets/retransform.html.342303bb.js"><link rel="prefetch" href="/assets/save-log.html.c42ff748.js"><link rel="prefetch" href="/assets/sc.html.f9c5b69c.js"><link rel="prefetch" href="/assets/session.html.6904a40b.js"><link rel="prefetch" href="/assets/sm.html.a212974a.js"><link rel="prefetch" href="/assets/spring-boot-starter.html.e62a7a68.js"><link rel="prefetch" href="/assets/stack.html.a3201354.js"><link rel="prefetch" href="/assets/start-arthas.html.5421937d.js"><link rel="prefetch" href="/assets/stop.html.e7556014.js"><link rel="prefetch" href="/assets/sysenv.html.51ba409a.js"><link rel="prefetch" href="/assets/sysprop.html.480d71dd.js"><link rel="prefetch" href="/assets/tee.html.09a9aee7.js"><link rel="prefetch" href="/assets/thread.html.f9f
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<div id="app"><!--[--><div class="theme-container"><!--[--><header class="navbar"><div class="toggle-sidebar-button" title="切换侧边栏" aria-expanded="false" role="button" tabindex="0"><div class="icon" aria-hidden="true"><span></span><span></span><span></span></div></div><span><a href="/" class="" data-v-2aa8cc94><!----><span class="site-name can-hide" data-v-2aa8cc94>arthas</span><span class="navbar-version" data-v-2aa8cc94>v3.6.4</span></a></span><div class="navbar-items-wrapper" style=""><!--[--><!--]--><nav class="navbar-items can-hide"><!--[--><div class="navbar-item"><a href="/" class="" aria-label="首页"><!--[--><!--]--> 首页 <!--[--><!--]--></a></div><div class="navbar-item"><a class="external-link" href="/doc/arthas-tutorials.html?language=cn&id=arthas-basics" rel="noopener noreferrer" target="_blank" aria-label="在线教程"><!--[--><!--]--><span>在线教程</span><span><svg class="external-link-icon" xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewbox="0 0 100 100" width="15" height="15"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path><polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg><span class="external-link-icon-sr-only">在新窗口打开</span></span><!--[--><!--]--></a></div><div class="navbar-item"><a href="/doc/" class="router-link-active" aria-label="文档"><!--[--><!--]--> 文档 <!--[--><!--]--></a></div><div class="navbar-item"><div class="navbar-dropdown-wrapper"><button class="navbar-dropdown-title" type="button" aria-label="解决方案"><span class="title">解决方案</span><span class="arrow down"></span></button><button class="navbar-dropdown-title-mobile" type="button" aria-label="解决方案"><span class="title">解决方案</span><span class="right arrow"></span></button><ul style="display:none;" class="navbar-dropdown"><!--[--><li class="navbar-dropdown-item"><a class="external-link" href="https://cn.aliyun.com/product/aliware/mse?spm=arthas.topbar.0.0.0" rel="noopener noreferrer" target="_blank" aria-label="微服务解决方案"><!--[--><!--]--><span>微服务解决方案</span><span><svg class="external-link-icon" xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewbox="0 0 100 100" width="15" height="15"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path><polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg><span class="external-link-icon-sr-only">在新窗口打开</span></span><!--[--><!--]--></a></li><li class="navbar-dropdown-item"><a class="external-link" href="https://www.aliyun.com/aliware/txc?spm=arthas.topbar.0.0.0" rel="noopener noreferrer" target="_blank" aria-label="分布式事务解决方案"><!--[--><!--]--><span>分布式事务解决方案</span><span><svg class="external-link-icon" xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewbox="0 0 100 100" width="15" height="15"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path><polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg><span class="external-link-icon-sr-only">在新窗口打开</span></span><!--[--><!--]--></a></li><li class="navbar-dropdown-item"><a class="external-link" href="https://www.aliyun.com/product/ahas?spm=arthas.topbar.0.0.0" rel="noopener noreferrer" target="_blank" aria-label="高可用解决方案"><!--[--><!--]--><span>高可用解决方案</span><span><svg class="external-link-icon" xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewb
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KEY VALUE ORIGIN WRITEABLE
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---------------------------------------------------------------------------------------------
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HeapDumpBeforeFullGC <span class="token boolean">false</span> DEFAULT <span class="token boolean">true</span>
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HeapDumpAfterFullGC <span class="token boolean">false</span> DEFAULT <span class="token boolean">true</span>
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HeapDumpOnOutOfMemory <span class="token boolean">false</span> DEFAULT <span class="token boolean">true</span>
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Error
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HeapDumpPath DEFAULT <span class="token boolean">true</span>
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CMSAbortablePrecleanW <span class="token number">100</span> DEFAULT <span class="token boolean">true</span>
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aitMillis
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CMSWaitDuration <span class="token number">2000</span> DEFAULT <span class="token boolean">true</span>
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CMSTriggerInterval -1 DEFAULT <span class="token boolean">true</span>
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PrintGC <span class="token boolean">false</span> DEFAULT <span class="token boolean">true</span>
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PrintGCDetails <span class="token boolean">true</span> MANAGEMENT <span class="token boolean">true</span>
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PrintGCDateStamps <span class="token boolean">false</span> DEFAULT <span class="token boolean">true</span>
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PrintGCTimeStamps <span class="token boolean">false</span> DEFAULT <span class="token boolean">true</span>
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PrintGCID <span class="token boolean">false</span> DEFAULT <span class="token boolean">true</span>
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PrintClassHistogramBe <span class="token boolean">false</span> DEFAULT <span class="token boolean">true</span>
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foreFullGC
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PrintClassHistogramAf <span class="token boolean">false</span> DEFAULT <span class="token boolean">true</span>
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terFullGC
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PrintClassHistogram <span class="token boolean">false</span> DEFAULT <span class="token boolean">true</span>
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MinHeapFreeRatio <span class="token number">0</span> DEFAULT <span class="token boolean">true</span>
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MaxHeapFreeRatio <span class="token number">100</span> DEFAULT <span class="token boolean">true</span>
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PrintConcurrentLocks <span class="token boolean">false</span> DEFAULT <span class="token boolean">true</span>
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</code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><h4 id="查看指定的-option" tabindex="-1"><a class="header-anchor" href="#查看指定的-option" aria-hidden="true">#</a> 查看指定的 option</h4><div class="language-bash ext-sh line-numbers-mode"><pre class="language-bash"><code>$ vmoption PrintGC
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KEY VALUE ORIGIN WRITEABLE
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---------------------------------------------------------------------------------
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PrintGC <span class="token boolean">false</span> MANAGEMENT <span class="token boolean">true</span>
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</code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><h4 id="更新指定的-option" tabindex="-1"><a class="header-anchor" href="#更新指定的-option" aria-hidden="true">#</a> 更新指定的 option</h4><div class="language-bash ext-sh line-numbers-mode"><pre class="language-bash"><code>$ vmoption PrintGC <span class="token boolean">true</span>
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Successfully updated the vm option.
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NAME BEFORE-VALUE AFTER-VALUE
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------------------------------------
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PrintGC <span class="token boolean">false</span> <span class="token boolean">true</span>
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</code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div><div class="language-bash ext-sh line-numbers-mode"><pre class="language-bash"><code>$ vmoption PrintGCDetails <span class="token boolean">true</span>
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Successfully updated the vm option.
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NAME BEFORE-VALUE AFTER-VALUE
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-------------------------------------------
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PrintGCDetails <span class="token boolean">false</span> <span class="token boolean">true</span>
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</code></pre><div class="line-numbers" aria-hidden="true"><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div><div class="line-number"></div></div></div></div><!--[--><!--]--></div><footer class="page-meta" data-v-e0e60120><div class="meta-item edit-link"><a class="external-link meta-item-label" href="https://github.com/alibaba/arthas/edit/master/site/docs/doc/vmoption.md" rel="noopener noreferrer" target="_blank" aria-label="在 GitHub 上编辑此页"><!--[--><!--]--><span>在 GitHub 上编辑此页</span><span><svg class="external-link-icon" xmlns="http://www.w3.org/2000/svg" aria-hidden="true" focusable="false" x="0px" y="0px" viewbox="0 0 100 100" width="15" height="15"><path fill="currentColor" d="M18.8,85.1h56l0,0c2.2,0,4-1.8,4-4v-32h-8v28h-48v-48h28v-8h-32l0,0c-2.2,0-4,1.8-4,4v56C14.8,83.3,16.6,85.1,18.8,85.1z"></path><polygon fill="currentColor" points="45.7,48.7 51.3,54.3 77.2,28.5 77.2,37.2 85.2,37.2 85.2,14.9 62.8,14.9 62.8,22.9 71.5,22.9"></polygon></svg><span class="external-link-icon-sr-only">在新窗口打开</span></span><!--[--><!--]--></a></div><div class="meta-item last-updated"><span class="meta-item-label">Last Updated: </span><!----></div><div class="meta-item contributors"><span class="meta-item-label">贡献者: </span><span class="meta-item-info"><!--[--><!--[--><span class="contributor" title="email: hengyunabc@gmail.com">hengyunabc</span><!--[-->, <!--]--><!--]--><!--[--><span class="contributor" title="email: hollowman186@vip.qq.com">Hollow Man</span><!----><!--]--><!--]--></span></div></footer><!----><!--[--><!--]--></main><!--]--></div><!----><!--]--></div>
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