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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