Java VisualVM - CPU Sampler - find performance issues

Asked Oct 15 '13 at 04:28

Active Oct 15 '13 at 04:28

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I have a serious problem with a java application which is eating the cpu with the time. So I installed VisualVM and saw this:

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Something is creating more and more Threads, while the application isn´t used. Now I would like to know what is causing this. Via. google I could only find tutorials on how to find memory leaks with visualvm but not cpu.

asked Oct 15 '13 at 04:28

user2693017

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what do you see on the threads tab? – BevynQ Oct 15 '13 at 05:11
go to the threads tab and identify the threads that are created without being finished – Frederic Close Oct 15 '13 at 05:21
@BevynQ and Frederic Close There are hundreds of npc mgr read/write threads. How does me help this now ? – user2693017 Oct 16 '13 at 05:42
That would sound like npc mgr threads are never ending and should be created sparingly. You possible have a process that is createing them when it should not. – BevynQ Oct 17 '13 at 02:03

Java VisualVM - CPU Sampler - find performance issues

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