4/7/2024 0 Comments Java profiler jdk![]() The main objective is to enable you to extend your diagnostic toolbox, something that will most definitely come in handy when you application starts to perform strange, slow or not at all.įigure 1: Terminal output of the jps command I will start out with the simplest of the tools, and gradually move on to more sophisticated tools as the article progresses. Some of these tools come with the JVM itself, while some are third party tools. In this article I will be going through some of the open source tools that are available. The good news is that there exist many tools you can use to extract various bits of preliminary information from your running JVM, allowing you to get that “under the hood” view you need to diagnose such situations. The reasons driving this can range from a slow service, JVM crashes, hangs, deadlocks, frequent JVM pauses, sudden or persistent high CPU usage or even the dreaded OutOfMemoryError (OOME). Time and again, the need to take a plunge under the hood of your running application arises.
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