在本文中，我将介绍性能分析的基本概念和不同类型的开源 Java 分析器，让你可以根据自己的需要选择最适合的分析器，并了解这些工具大致的工作原理。 在 2023 年伦敦 QCon 演讲“你的 Java 应用程序很慢吗？试试这些开源分析器”中，我深入探讨过这个话题，也 ...

Sun Microsystems has unveiled a new GUI-based tool for visualizing data sources and troubleshooting Java applications. Java VisualVM 1.0 launched Tuesday as part of JavaSE 6 Update 7. VisualVM is a ...

In previous blog posts, I have covered using VisualVM to acquire HotSpot JVM runtime information in a manner similar to jinfo and how to use VisualVM in conjunction with JMX and MBeans in a manner ...

The Birds of a Feather session “Monitoring and Troubleshooting Java Platform Applications with JDK Software” was led by Mandy Chung and Tomas Hurka. Each of these Sun employees possesses the ...

There is some overlap -- but they're fundamentally different. Java instrumentation will track each and every instance of a given metric. This can create performance issues. Java sampling involves ...