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From Christopher Schultz <ch...@christopherschultz.net>
Subject Re: Tomcat performance measurments...
Date Fri, 28 Sep 2007 16:12:59 GMT
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Tony,

Tony Anecito wrote:
> I would but I have a web site off of the Apache web
> server and I have the port 80 used by it.

So? If you're doing performance testing, you should be doing it in a
laboratory environment. You /are/ doing this on a test server, not
product, right?

You should be able to disable one of your servers for testing.

Other factors include the resolution of the timer being used by Apache
and/or mod_jk for emitting log messages. Most people don't care about
high-resolution timing for things like web server logs, so I wouldn't
expect Apache to be using one.

Another option would be to write a trivial servlet that always does
nothing and returns nothing, and then time your requests through that.
You should be able to tell what communication overhead is being added by
Apache httpd and mod_jk.

- -chris

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