We are experiencing a periodic issue where Jboss (3.2.3) CPU usage jumps significantly 
(80 - 90%) in a short period of time.  When this is encountered we have to restart to 
clear things up.   I have run some OS (Solaris) commands (ps ...) to get information 
on the threads when this happens.  I haven't been able to determine which thread or 
threads are involved as when CPU usage is displayed for a thread, the process usage is 
displayed.  For example 89% is displayed for all threads.  Does anyone know of some 
tools, commands I can use to dig into this deeper and get a better handle on what's 
going on?  I'm thinking that if I can identify the thread(s) responsible, I'll be one 
step closer to knowing why this is happening.

Thanks in advance


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