Oh sorry, I forgot to explain my architecture.
No, I have one dedicated server which host the tomcat and I use JMeter on a
second server ( not dedicated ).
> From: andrew.br...@gmail.com
> To: users@tomcat.apache.org
> Subject: Re: Perfomance analysis
> Date: Tue, 15 Jun 2010 19:53:56 +1000
> CC: users@tomcat.apache.org
>
> Is jmeter on same box as app?
>
> On 15/06/2010, at 7:05 PM, Michael Oullion <theaz...@hotmail.com> wrote:
>
> > hello,
> >
> > I'm doing some benchmark on Web service's Call and I have some
> > strange results.
> >
> > First of all,
> > My web service is on a Axis2 1.5.1 framework,
> > I use a Apache Tomcat 6.0.20 / JRE (server mode) 1.6.0_20-b02.
> > I use JMeter 2.3.4 to do my benchmark.
> >
> > When I analyze my result, I have some nice (and stable ) things but
> > some times I observe a huge decrease of Hit/second and a huge
> > increase of response time.
> > For example, normal response time is (avg) 300 ms and it increase to
> > 1.000 ms and more, at the same time the hit/second decrease from 90
> > to 40.
> >
> > I watch the CPU activity to see if the bottleneck is here and I
> > observe that I have the same thing.
> > When the response time increase, the CPU activity fall down from 40%
> > to 10%.
> > I watch disk time access too and I don't observe a link between this
> > activity and the fall of performance.
> >
> > I try to attach my graph to this mail but I don't know if it's okay
> > on the mailing list.
> > I don't understand why some time the performance fall down.
> > So, if you are some ideas...
> >
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