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From Faisal Abdullah <>
Subject Performance issue
Date Wed, 06 Oct 2004 09:20:05 GMT

I have 4 *really* sluggish Tomcats. All 4 are load balanced:
Tomcat Version:4.1.30
Java: Sun 1.4.2_02
SMP: 4 CPU Xeon 2GHz 
Memory: 4GB 
OS: Redhat AS 3.0

Users can reach 500 at peak time (about 150 per server).
It takes about 2-4 minutes to load.
And we're also having session time-outs.
Previously, JVM died quite often, so now we're using a wrapper to
restart it after it crashes.

I have 128M initial memory, and 2GB max memory for JVM.

Is this normal? Is this a Tomcat issue, a tuning issue, or a very
badly written app?
Appreciate the help.

There are many ways of going forward, but there is only one way of
standing still.

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