Re: [JBoss-user] Using Thread Dumps to Determine CPU Usage

[Rafal K. <ra...@po...>]

At 12:04 10.03.2003 -0800, Hunter Hillegas wrote:
>Any place where documentation on these steps exists?

On Unix system You can send kill -SIGQUIT <pid>. than SUN VM is generating 
a txt file with needen informations. but this ist VM and system specific. 
under Linux the process was killed every time after sending -SIGQUIT and 
the informations file was empty.


Rafal


>Thanks,
>Hunter
>
> > From: "Scott M Stark" <sco...@at...>
> > Organization: JBoss Group, LLC
> > Reply-To: jbo...@li...
> > Date: Mon, 10 Mar 2003 11:06:07 -0800
> > To: <jbo...@li...>
> > Subject: Re: [JBoss-user] Using Thread Dumps to Determine CPU Usage
> >
> > You can't obtain thread dumps through the JMX console. You have to send
> > the approriate signal to the VM to generate a trace of the threads to 
> stderr
> > which
> > must have been redirected to a file to collect as this will not go to the
> > server.log.
> >
> > xxxxxxxxxxxxxxxxxxxxxxxx
> > Scott Stark
> > Chief Technology Officer
> > JBoss Group, LLC
> > xxxxxxxxxxxxxxxxxxxxxxxx
> >
> > ----- Original Message -----
> > From: "Hunter Hillegas" <li...@la...>
> > To: "JBoss User" <jbo...@li...>
> > Sent: Sunday, March 09, 2003 8:26 PM
> > Subject: [JBoss-user] Using Thread Dumps to Determine CPU Usage
> >
> >
> >> Scott Stark suggested a couple of days ago that I use a thread dump to
> >> troubleshoot what was pegging my CPU usage near 100% after a certain 
> period
> >> of time...
> >>
> >> I have a thread dump from the server during a time when it was wigging 
> out.
> >> What should I be looking for in the JMX console thread dump?
> >>
> >> Thanks,
> >> Hunter
> >
> >
> >
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