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From Harry Metske <harry.met...@gmail.com>
Subject Re: memory problems / time outs
Date Mon, 19 Apr 2010 12:16:43 GMT
2010/4/19 Woude, Alexander van der <alexander.vander.woude@capgemini.com>

> Sorry a small correction. The client times out, because the tomcat gives a
> Heap Space memory error.
>
> config in startup.sh :
>
> export JAVA_OPTS="-Xms128m -Xmx512m"
> export CATALINA_OPTS="-Xms512m -XX:MaxPermSize=512m"
>
> My apps are 7 war, that  each contain its own deps. Size of 1 war is 14 MB
>
> How do I check the memory the tomcat uses?
>

you can also enable JMX, see
http://tomcat.apache.org/tomcat-6.0-doc/monitoring.html#Enabling
JMX Remote and use jconsole to monitor real time memory usage.



> Greetings
> Alex
>
>
> ________________________________________
> Van: Woude, Alexander van der [alexander.vander.woude@capgemini.com]
> Verzonden: maandag 19 april 2010 13:49
> Aan: users@tomcat.apache.org
> Onderwerp: memory problems / time outs
>
> Hello All
>
> For a client I developed a few Data webservices. In total there are 7
> services.
> All are CXF based webservices that use hibernate.
>
> I keep having memory problems, so I increased both JAVA_OPTS as
> CATALINA_OPTS.
> Now I get timed out errors and tomcat blocks completely, I only can resolve
> things by restarting the tomcat server.
>
> I did profile my services and I did profile my hibernate DAO's and it seems
> fine.
> I have no clue where to look anymore for a solution, any idea is welcome.
>
> I use tomcat-6.0.18 on RedHat enterprise linux 5 , 64 bit version. With a
> OpenJDK java6 64 JVM.
>
> Thanks
> Alex
>
>
>
>
>
>
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