[jboss-user] [Performance Tuning] - Re: Slower JBOSS 4
jerrynolan
do-not-reply at jboss.com
Tue Mar 27 13:52:19 EDT 2007
Have you had any luck in your research?
We ourselves took a big performance hit when we upgraded to 4.x, although we made several new deployments at the same time that could be part of our decreased performance too.
Here are a couple of links you might have already seen - if not, they are helpful.
A JBossian blog posting on rmi gcinterval and also stack size:
http://blogs.jboss.com/blog/acoliver/2006/03/21/If_you_dont_do_this_JBoss_will_run_really_slowly.txt
Sun's JBoss On Solaris Best Practices
http://www.sun.com/servers/coolthreads/tnb/applications_jboss.jsp
Here's an extensive article on slimming your jboss installation. It starts with tuning tips
http://wiki.jboss.org/wiki/Wiki.jsp?page=JBossASTuningSliming
And you probably know this one too, but just in case:
http://java.sun.com/docs/performance/
Along with this:
http://java.sun.com/docs/hotspot/gc5.0/gc_tuning_5.html
If you haven't yet already, check out
http://java.sun.com/j2se/1.5.0/docs/tooldocs/share/jstat.html#gcutil_option
I use that on production boxes instead of verbosegc
And jmap with the -heap option is awesome. The -histo option is pretty cool too.
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