Author Joachim Haagen skeie translator Li Yong posted on November 9, 2011 Domain Language & Development theme tools, performance and scalability, Java Tag Performance tuning, open source Java sharing |
More than once, we all had the idea of trying to find out what was going on in the bottom of a running program. This need may be due to slow service, Java Virtual Machine (JVM) crashes, hangs, deadlocks, frequent JVM pauses, sudden or persistent high CPU usage, and even terrible memory overflows (oome). The good news is that there are a number of tools available to help you get the different parameters of the Java Virtual machine running, which will help you understand its internal situation and diagnose all of the above. Related Vendor Content
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In this article, I'll introduce some of the best open source tools. Some of these are from the JVM and others are third-party tools. I'll start with the simplest tools and move on to some of the more complex tools. The purpose of this article is to help you find the right debugging diagnostic tool, so that when the program appears to perform abnormally, slowly, or at all, there are tools available at hand.
All right, let's go.