mirror of https://github.com/alibaba/arthas.git
Arthas dashboard 命令教程 (#1326)
* add dashboard command scenario. #847 Signed-off-by: hollowman6 <hollowman186@vip.qq.com> * fix link typo Signed-off-by: hollowman6 <hollowman186@vip.qq.com> * merge 'dashboard.md' and 'dashboard-usage.md' Signed-off-by: hollowman6 <hollowman186@vip.qq.com>pull/1364/head
Hollow Man
5 years ago
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GitHub
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下载`arthas-demo.jar`，再用`java -jar`命令启动：
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`wget https://alibaba.github.io/arthas/arthas-demo.jar
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java -jar arthas-demo.jar`{{execute T1}}
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`arthas-demo`是一个很简单的程序，它随机生成整数，再执行因式分解，把结果打印出来。如果生成的随机数是负数，则会打印提示信息。
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{
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"title": "Arthas dashboard命令教程",
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"description": "Arthas dashboard命令教程",
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"details": {
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"steps": [
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{
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"title": "启动arthas-demo",
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"text": "arthas-demo.md"
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},
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{
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"title": "启动arthas-boot",
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"text": "arthas-boot.md"
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},
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{
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"title": "dashboard 命令",
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"text": "dashboard.md"
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},
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{
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"title": "dashboard 数据说明",
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"text": "notes-on-column-headers.md"
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}
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],
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"intro": {
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"text": "intro.md"
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},
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"finish": {
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"text": "finish.md"
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}
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},
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"environment": {
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"uilayout": "terminal"
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},
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"backend": {
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"imageid": "java",
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"environmentsprotocol": "http"
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}
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}
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Download `arthas-demo.jar` and start with the `java -jar` command:
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`wget https://alibaba.github.io/arthas/arthas-demo.jar
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java -jar arthas-demo.jar`{{execute T1}}
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`arthas-demo` is a very simple program that randomly generates integers, performs factorization, and prints the results.
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If the generated random number is negative, a error message will be printed.
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The `dashboard`{{execute T2}} command allows you to view the real-time data panel of the current system.
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When running in Apache Tomcat Alibaba edition, the dashboard will also present the real time statistics of the tomcat, including [QPS](https://en.wikipedia.org/wiki/Queries_per_second), RT, error counts, and thread pool, etc.
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```bash
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$ 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
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```
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Enter `Q`{{execute T2}} or `Ctrl+C` to exit the dashboard command.
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Through this tutorial, you can know how to use Arthas `dashboard`. More advanced features can be found in the Advanced Guide below.
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* [Arthas Advanced](https://alibaba.github.io/arthas/arthas-tutorials?language=en&id=arthas-advanced)
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* [Arthas Github](https://github.com/alibaba/arthas)
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* [Arthas Documentation](https://alibaba.github.io/arthas/en)
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{
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"title": "Arthas dashboard",
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"description": "Arthas dashboard",
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"details": {
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"steps": [
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{
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"title": "Start arthas-demo",
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"text": "arthas-demo.md"
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},
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{
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"title": "Start arthas-boot",
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"text": "arthas-boot.md"
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},
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{
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"title": "dashboard command",
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"text": "dashboard.md"
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},
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{
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"title": "Notes on column headers",
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"text": "notes-on-column-headers.md"
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}
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],
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"intro": {
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"text": "intro.md"
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},
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"finish": {
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"text": "finish.md"
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}
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},
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"environment": {
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"uilayout": "terminal"
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},
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"backend": {
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"imageid": "java",
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"environmentsprotocol": "http"
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}
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}
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`Arthas` is a Java diagnostic tool open-sourced by Alibaba middleware team. Arthas helps developers in trouble-shooting issues in production environment for Java based applications without modifying code or restarting servers.
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`Arthas` supports JDK 6+, supports Linux/Mac/Windows.
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* Github: https://github.com/alibaba/arthas
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* Documentation: https://alibaba.github.io/arthas/en
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* *ID*: JVM thread ID, pls. note this ID is different from the nativeID in jstack
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* *NAME*: thread name
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* *GROUP*: thread group name
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* *PRIORITY*: thread priority, ranged from 1 to 10. The greater number, the higher priority
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* *STATE*: thread state
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* *CPU%*: the ratio of CPU usage for the thread, sampled every 100ms
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* *TIME*: total running time in minute:`second format`
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* *INTERRUPTED*: the thread interruption state
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* *DAEMON*: daemon thread or not
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## Screenshot
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