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From Lists <li...@dankeeley.co.uk>
Subject Re: CPU usage quirk with multiple tomcat instances
Date Mon, 12 May 2008 14:34:37 GMT
no; We run sar and capture data every 5 seconds.

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