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From Ian Shafer <>
Subject Apache 2.2 and mod_proxy_ajp performance
Date Mon, 13 Feb 2006 08:37:03 GMT

I just started using Apache 2.2 and mod_proxy_ajp with Tomcat 5.0.28  
on OS X 10.4.4. I'm doing some load testing on this configuration and  
am getting some pretty dismal results. My load test consists of 10  
clients each sending about 150 HTTP GETs for images that are about 6K  

In a nutshell, when I go directly to Tomcat, it's really fast and  
everything is good. When I go through Apache 2.2, it hangs and I get  
a lot of timeouts. I'm using the worker MPM and have the following  

StartServers          2
ServerLimit          16
MaxClients         1024
MinSpareThreads      32
MaxSpareThreads      64
ThreadsPerChild      64
MaxRequestsPerChild   0

What do I need to look out for in getting this to perform better? I  
tried the max=XXX configuration at the end of my ProxyPass line, but  
that didn't help. Any thoughts?


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