[jboss-user] [Performance Tuning] New message: "Re: Jboss 4.2.2GA Performance Problems"

[Peter Johnson]

User development,

A new message was posted in the thread "Jboss 4.2.2GA Performance Problems":

http://community.jboss.org/message/526134#526134

Author  : Peter Johnson
Profile : http://community.jboss.org/people/peterj

Message:
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>From your thread dump is appears that only two threads were doing naything. What you really need to do it get several thread dump as few seconds appart and see what changed and what stayed the same - usually if a particualr thread is still working on the same tasks that can point out code that has a problem,
 
As far a monitoring GC, use JCosnole or VisualVM to monitor heap usage. Also, see this presentation on gathering and analyzing GC performance data:
(Oh no, the web site that had my presentation has been updated and I cannot find the presentation anymore!)
Fortunately, the white papers that the presentation was based on are available. Go to:
http://www.cmg.org/cgi-bin/search.cgi?q=java+peter+johnson&x=30&y=10
and get both the Java Garabage Collection Sattsical Analysis 101 and 201 papers.

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