The reason that there are no published standards is that its very
difficult to measure. What is it that you measure - number of hits per
second, memory consumption, and CPU usage/utilization? These things are
generally impacted more by what you are trying to do in your application
than anything else.
Another reason that there aren't lots of benchmarks for this is that
all of the major engines out there has one paticular feature that the others
don't. Tomcat has correct API implementation , Resin has speed (but doesn't
correctly implement all of the API) and JRun has support agreements and a
company backing it (which does count for a lot). These features makes one
or another attractive to companies and they end up not making their choice
based on the features and not the performance (because they are all close
enough that they are livable choices).
These are just my opinions and should be taken as such and not
absolute truth.
Randy
-----Original Message-----
From: Brett Knights [mailto:[EMAIL PROTECTED]]
Sent: Tuesday, February 20, 2001 4:02 PM
To: [EMAIL PROTECTED]
Subject: RE: How to measure Apache-Tomcat performance?
I can't help with the performance measurement but I'd say just go ahead and
develop :-)
The servlet API is meant to be portable. You can develop, test with Apache
JMeter (http://java.apache.org) and if Tomcat won't work
for you then you should be able to re-deploy to Resin with very little
trouble.
FWIW an Apache JServ user had that servlet engine running under Linux with >
600 requests per second. See details here:
http://www.magiccookie.com/bboard/do=list-containers/container=54222
What's really interesting is that there are really no published benchmarks
for Servlet Engine performance. The only one I found is
published by the makers of the resin servlet engine and it doesn't mention
JRun or ServletExec :-/
HTH
> How can I find out how well the Apache-Tomcat
> combination perform, in terms of simultaneous hits? My
> site is highly Servlet/JSP concentrated and expecting
> to have a maximum of 300 simultaneous hits at any
> given time. Server is expected to run on HP-UX 11.0
> environment.
>
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