2 Instances don't compete for locking between threads. So possibly your
application depends a lot on locking?
Ronald.
Op maandag, 10 november 2008 om 7:26 uur schreef Tomcat Users List
<users@tomcat.apache.org>:
Subject: Tomcat Performance
Date: Mon Nov 10 07:26:21 CET 2008
From: Nishi Kant <[EMAIL PROTECTED]>
Hi All,
I'm trying to optimize the performance of my server, which is deployed
in a cluster environment using Apache Load balancer and Tomcat
container. mod_jk is used to communicate between load balancer and
tomcat container. Apache is configured to use worker MPM mode. I have
done various tests to find optimized tomcat, apache and Linux
configuration for my application. Following are the machines I'm using
for this load test.
Machines configurations
------------------------------------
Apache Load balancer:: 2.8 GHz Dual Core , 4GB RAM
Tomcat :: 2.66 GHz 2 CUP, Dual Core, 6 GB RAM
There is an interesting observation when I alter my configuration to run
multiple tomcat instances on same machine. My throughput increases to 2
times the original throughput if I run 2 instance of tomcat instead of
single tomcat instance. I'm trying to understand this behavior as I'm
not very keen in running multiple tomcat instances on same machines.
Thanks,
Nishi
