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hengyunabcandGitHub Action 71095cf364 Prettified Code!
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advanced-use.md
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commands.md
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contact-us.md
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faq.md
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getstatic.md
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manual-install.md
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quick-start.md
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README.md
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redefine.md
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stack.md
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Prettified Code!
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version.md
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README.md

简介

Arthas 是一款线上监控诊断产品，通过全局视角实时查看应用 load、内存、gc、线程的状态信息，并能在不修改应用代码的情况下，对业务问题进行诊断，包括查看方法调用的出入参、异常，监测方法执行耗时，类加载信息等，大大提升线上问题排查效率。

Arthas（阿尔萨斯）能为你做什么？

Arthas 是 Alibaba 开源的 Java 诊断工具，深受开发者喜爱。

当你遇到以下类似问题而束手无策时，Arthas可以帮助你解决：

  1. 这个类从哪个 jar 包加载的？为什么会报各种类相关的 Exception？
  2. 我改的代码为什么没有执行到？难道是我没 commit？分支搞错了？
  3. 遇到问题无法在线上 debug，难道只能通过加日志再重新发布吗？
  4. 线上遇到某个用户的数据处理有问题，但线上同样无法 debug，线下无法重现！
  5. 是否有一个全局视角来查看系统的运行状况？
  6. 有什么办法可以监控到 JVM 的实时运行状态？
  7. 怎么快速定位应用的热点，生成火焰图？
  8. 怎样直接从 JVM 内查找某个类的实例？

Arthas 支持 JDK 6+，支持 Linux/Mac/Windows，采用命令行交互模式，同时提供丰富的 Tab 自动补全功能，进一步方便进行问题的定位和诊断。

如果您在使用 Arthas，请让我们知道，您的使用对我们非常重要：查看

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