Do top on the servers to be sure is problem in Tomcat or not.
Teoreticly, your servers should be faster if you configure 4 Tomcat
instances (4 JVMs) to do round robin.
You should be able to improve performances almost 4x.
Biernatowski Bartosz J wrote:
Hello,
I was hoping somebody on the list might point me in the right direction...
I am trying to scale up Tomcat based web application currently supporting
~100 users to 350 users.
It seems that I have enough hardware: 2 load balanced servers x 4 CPUs each
with 4 GB of RAM which is underutilized for most of the time even though
application performance slows dramatically at peak times.
I was advised to install multiple JVMs in order to improve Tomcat's
performance. Another option I considered was to install 2 instances
of Tomcat on each server to see whether it would handle increased load.
Would anybody know what kind of performance improvement would multiple
JVM/Tomcat installations provide? Are there any benchmarks available?
--
Mladen Adamovic
http://www.online-utility.org http://www.shortopedia.com
http://www.froola.com http://www.gift-idea4u.com
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