Support Forums: Message List - 100% CPU diagnosis http://www.theserverside.com Most recent forum messages en Jive Forums Silver 5.5.30 (www.jivesoftware.com) Sun, 19 May 2013 18:46:54 -0400 100% CPU diagnosis http://www.theserverside.com/discussions/thread.tss?thread_id=61915 Hi ,

I want to be more educated on Java/J2ee performance improvements.

Can ypou guide me how to proceed ? are there white papes on java performance.s

]]> Mon, 02 Apr 2012 02:21:21 -0400 Mon, 02 Apr 2012 02:21:21 -0400 Mon, 02 Apr 2012 02:21:21 -0400 Apr 2, 2012 Amaan khan 0 Point awarded http://www.theserverside.com/discussions/thread.tss?thread_id=61915 ...]]> Thu, 24 Feb 2011 09:57:57 -0500 Thu, 24 Feb 2011 09:57:57 -0500 Thu, 24 Feb 2011 09:57:57 -0500 Feb 24, 2011 Radu Dumitriu 0 100% CPU diagnosis http://www.theserverside.com/discussions/thread.tss?thread_id=61915 Well luckily with the upcoming OpenJDK efforts (JDK7 and 8) there's a definite plan to reduce and then get rid of PermGen. It's a step that some will argue is long overdue, but for now I'm happy that it's been given some serious thought :).

]]> Mon, 21 Feb 2011 07:16:56 -0500 Mon, 21 Feb 2011 07:16:56 -0500 Mon, 21 Feb 2011 07:16:56 -0500 Feb 21, 2011 Martijn Verburg 0 100% CPU diagnosis http://www.theserverside.com/discussions/thread.tss?thread_id=61915 It seems very strange that after all the years Java been on the market people still have to spend their time on absolutely non-value added activity of determining what permanent generation size should be.

...]]> Fri, 18 Feb 2011 19:58:46 -0500 Fri, 18 Feb 2011 19:58:46 -0500 Fri, 18 Feb 2011 19:58:46 -0500 Feb 18, 2011 Artem Kornilov 3 hitting 100% http://www.theserverside.com/discussions/thread.tss?thread_id=61915 It used to be a lot easier to hit 100% CPU, but with multiple cores and some cores being more equal than others, and with "smarter" JVMs and operating systems, it seems like the whole stack is conspiring to keep your code from gobbling an entire...]]> Fri, 18 Feb 2011 15:32:46 -0500 Fri, 18 Feb 2011 15:32:46 -0500 Fri, 18 Feb 2011 15:32:46 -0500 Feb 18, 2011 Cameron Purdy 0 as an engineering tool http://www.theserverside.com/discussions/thread.tss?thread_id=61915 I actually want to know how to make my Java program eats up 100% CPU because my programs never get that even though I tried running dummy program that loops it for 10 million times doing something, it just can't go up to 100%, I guess I have a problem...]]> Fri, 18 Feb 2011 09:45:23 -0500 Fri, 18 Feb 2011 09:45:23 -0500 Fri, 18 Feb 2011 09:45:23 -0500 Feb 18, 2011 rebecca20 1 as an engineering tool http://www.theserverside.com/discussions/thread.tss?thread_id=61915 Although not directly related to the notes, there is a tool I recently developed to determine optimal JVM settings.   Thu, 17 Feb 2011 12:17:07 -0500 Thu, 17 Feb 2011 12:17:07 -0500 Thu, 17 Feb 2011 12:17:07 -0500 Feb 17, 2011 ioexcept 2 Nice! http://www.theserverside.com/discussions/thread.tss?thread_id=61915 Very interesting observation. I´ll take care of this, for now. :)

]]> Thu, 17 Feb 2011 10:24:59 -0500 Thu, 17 Feb 2011 10:24:59 -0500 Thu, 17 Feb 2011 10:24:59 -0500 Feb 17, 2011 Valtoni Boaventura 0 100% CPU diagnosis http://www.theserverside.com/discussions/thread.tss?thread_id=61915 On the Java Posse mailing list, someone posted a question about a JVM that was eating CPU like candy from a baby.

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