> From: Christoph P.U. Kukulies [mailto:k...@kukulies.org] 
> Subject: Re: native API - to make Apache/Tomcat faster

> > That sounds like you have a resource leak of some kind, which is tying 
> > up server resources (memory, probably).

> This sounds a bit like that but I'm not sure.

Please stick to one topic per e-mail thread.  This one has conflated a 
performance question (use of APR) with a stability problem.  The only 
relationship between the two is that performance is zero when the system is 
being restarted.  You should start a separate thread for the instability issue 
if you want help with that.

> Anyway, to come back to the use of the APR-library: how can I check 
> whether it is already installed or how can I activate it?

Look in the Tomcat logs.  If APR is enabled it will be noted there during 
Tomcat startup.  The file tcnative-1.dll must be present in Tomcat's bin 
directory in order to use APR; that file is included in the 64-bit Windows zip 
download and in the 32-bit/64-bit Windows Service Installer download.  By 
default, APR will be used if tcnative-1.dll is present, but settings in 
server.xml can prevent that.  Look here for details:
http://tomcat.apache.org/tomcat-7.0-doc/config/http.html

 - Chuck


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