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Re: CPU usage quirk with multiple tomcat instances

by Dan Keeley-2 :: Rate this Message:

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no; We run sar and capture data every 5 seconds.

--------- Original Message --------
From: Tomcat Users List <users@...>
To: Tomcat Users List <users@...>, Lists
<lists@...>
Subject: Re: CPU usage quirk with multiple tomcat instances
Date: 08/05/08 10:21

> but sar only shows you 10 minute averages ,right?
> It would never show you any peaks.
>
> leon
>
> On Thu, May 8, 2008 at 12:09 PM, Lists <lists@...>
wrote:

> > we use sar and look at cpu utilisation..
> >
> > --------- Original Message --------
> > From: Tomcat Users List <users@...>
> > To: Tomcat Users List <users@...>
> > Subject: Re: CPU usage quirk with multiple tomcat instances
> > Date: 07/05/08 08:13
> >
> >> btw, how do you measure it? vmstats? top?
> >>
> >> On Wed, May 7, 2008 at 9:40 AM, Dan Keeley
&lt;lists@...&gt;
> > wrote:
> >> &gt; We dont have synchronisation issues - I've already
profiled
> > extensively with
> >> &gt; jprofiler..  Well we did, but after using jprofiler we
dont :)
> >> &gt;
> >> &gt;  Err, I think our app is the same as yours :) What im
saying is that
> > for the
> >> &gt; same load the machine uses more cpu with 2 tomcat
instances...  So i
> > guess
> >> &gt; that is correct, i was just looking for why!
> >> &gt;
> >> &gt;  Dan
> >>
> >>
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