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From Filip Hanik - Dev Lists <>
Subject Re: Low performance with Tomcat APR
Date Tue, 05 Sep 2006 13:49:16 GMT
if (your max nr of open connections) < Connector.maxThreads ) then
  the regular connector is better, and will always be as it is using 
blocking IO
  APR will scale better, as it can keep a larger set of keep alive 
connections open

Your biggest gain on the APR connector is if you are using Tomcat SSL, 
its probably 20 times faster (if not more) than the java blocking connector.
There is a bug in APR SSL handshaking that was fixed recently and is 
available in


José Manuel Molina Pascual wrote:
> Hello, I just installed Tomcat APR on a SUSE 9 and found that the
> performance has fallen dramatically (I fact, performance with APR it's
> half than without it!!!!).
> I followed the instructions of the Tomcat Documentation.
> I suppose that this must be some configuration issue.
> I'm using Apache APR 1.2.7, OpenSSL 0.9.7d and Tomcat 5.5.17.
> Thanks in advance.

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