[jboss-dev-forums] [Design of JBoss Remoting, Unified Invokers] - Re: Why bother with APR?

[mladen.turk@jboss.com]

The major usage of APR is to provide a high concurrency for Servlet like
engines changing the connection model from thread/connection to
thread/request beyond many others like OS sendfile support etc.

Comparing NIO to that model gives you few times performance
decrease over the APR.
Last time I compared Glassfish with Tomcat+APR it was 10 times (!) slower.

His other document
http://developers.sun.com/learning/javaoneonline/j1sessn.jsp?sessn=TS-2992&yr=2007&track=5
says on slide 20 that Tomcat is still 10% faster then Grizzly (even without APR)

Nevertheless, benchmarks are like assholes. Everyone has one.

Regards,
Mladen


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