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<div class="section" id="dashboard">
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<h1>dashboard<a class="headerlink" href="#dashboard" title="永久链接至标题">¶</a></h1>
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<p><a class="reference external" href="https://alibaba.github.io/arthas/arthas-tutorials?language=cn&id=command-dashboard"><code class="docutils literal notranslate"><span class="pre">dashboard</span></code>在线教程</a></p>
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<blockquote>
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<div><p>当前系统的实时数据面板，按 ctrl+c 退出。</p>
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</div></blockquote>
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<p>当运行在Ali-tomcat时，会显示当前tomcat的实时信息，如HTTP请求的qps, rt, 错误数, 线程池信息等等。</p>
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<div class="section" id="id1">
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<h2>使用参考<a class="headerlink" href="#id1" title="永久链接至标题">¶</a></h2>
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<div class="highlight-default notranslate"><pre class="literal-block">$ dashboard
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ID NAME GROUP PRIORITY STATE %CPU TIME INTERRUPTED DAEMON
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889 RMI TCP Connection(15)-30.10.166. RMI Runtime 9 RUNNABLE 48 0:5 false true
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1077 Timer-for-arthas-dashboard-0 system 9 RUNNABLE 24 0:0 false true
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1074 as-selector-daemon system 9 RUNNABLE 12 0:0 false true
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284 JMX server connection timeout 284 RMI Runtime 9 TIMED_WAITI 8 0:3 false true
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16 Timer-1 main 5 TIMED_WAITI 5 0:9 false true
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47 Pandora pandora-qos-reporter Pool main 5 TIMED_WAITI 0 0:0 false true
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48 JmonitorClient-CheckThread Pool [ main 5 TIMED_WAITI 0 0:0 false true
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49 JmonitorClient-HeartBeat Pool [Th main 5 TIMED_WAITI 0 0:0 false true
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50 JmonitorClient-ReaderThread Pool main 5 TIMED_WAITI 0 0:0 false true
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957 RMI TCP Connection(16)-30.10.166. RMI Runtime 9 RUNNABLE 0 0:2 false true
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51 JmonitorClient-WriterThread Pool main 5 TIMED_WAITI 0 0:0 false true
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52 ContainerBackgroundProcessor[Stan main 5 TIMED_WAITI 0 0:0 false true
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53 http-bio-8080-Acceptor-0 main 5 RUNNABLE 0 0:2 false true
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54 http-bio-8080-AsyncTimeout main 5 TIMED_WAITI 0 0:0 false true
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11 GC Daemon system 2 TIMED_WAITI 0 0:0 false true
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Memory used total max usage GC
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heap 59M 223M 1820M 3.26% gc.ps_scavenge.count 118
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ps_eden_space 14M 114M 668M 2.11% gc.ps_scavenge.time(ms) 1890
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ps_survivor_space 6M 6M 6M 96.08% gc.ps_marksweep.count 5
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ps_old_gen 39M 103M 1365M 2.86% gc.ps_marksweep.time(ms) 1140
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nonheap 234M 240M 0M 97.46%
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code_cache 46M 47M 240M 19.49%
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metaspace 167M 172M 0M 97.36%
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Runtime Tomcat
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os.name Mac OS X connector http-bio-8080
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os.version 10.10.5 QPS 0.00
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java.version 1.8.0_60 RT(ms) 1.13
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java.home error/s 0.00
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received/s 0B
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systemload.average 3.44 sent/s 0B
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processors 4 threadpool http-bio-8080
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uptime 16020s busy 0</pre>
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</div>
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</div>
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<div class="section" id="id2">
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<h2>数据说明<a class="headerlink" href="#id2" title="永久链接至标题">¶</a></h2>
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<ul class="simple">
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<li><p>ID: Java级别的线程ID，注意这个ID不能跟jstack中的nativeID一一对应</p></li>
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<li><p>NAME: 线程名</p></li>
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<li><p>GROUP: 线程组名</p></li>
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<li><p>PRIORITY: 线程优先级, 1~10之间的数字，越大表示优先级越高</p></li>
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<li><p>STATE: 线程的状态</p></li>
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<li><p>CPU%: 线程消耗的cpu占比，采样100ms，将所有线程在这100ms内的cpu使用量求和，再算出每个线程的cpu使用占比。</p></li>
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<li><p>TIME: 线程运行总时间，数据格式为<code class="docutils literal notranslate"><span class="pre">分：秒</span></code></p></li>
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<li><p>INTERRUPTED: 线程当前的中断位状态</p></li>
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<li><p>DAEMON: 是否是daemon线程</p></li>
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</ul>
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</div>
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<div class="section" id="id3">
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<h2>截图展示<a class="headerlink" href="#id3" title="永久链接至标题">¶</a></h2>
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<p><img alt="_images/dashboard.png" src="_images/dashboard.png" /></p>
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