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From Hector Del Mestre <hectordelmes...@gmail.com>
Subject Re: Tomcat and PostgreeSQL
Date Thu, 06 Jun 2013 21:22:15 GMT
Thank you very much:

I will check what you suggested.
The Java version is 1.7

regards


2013/6/6 Caldarale, Charles R <Chuck.Caldarale@unisys.com>

> > From: Hector Del Mestre [mailto:hectordelmestre@gmail.com]
> > Subject: Tomcat and PostgreeSQL
>
> > The application was done with AppFuse architecture originally utlizando
> > MySQL, but issues like licensing and client wants to use PostgreSQL.
> > And that is where I'm stuck, because Tomcat (or rather the Java VM) began
> > comsumir large amount of memory (I get 1.5 GB of RAM) when using the
> > application and there comes a time when it is hung and not answers, and
> > this is the only application deployed on the server.
>
> You'll need to examine the heap and try to determine what the objects are
> that are consuming so much space.  The jhat tool that comes with a
> Sun/Oracle JDK is useful for this:
> http://docs.oracle.com/javase/6/docs/technotes/tools/share/jhat.html
>
> There are also numerous profilers that will help with heap analysis;
> YourKit is a favorite, but it's not free.  Google will help you find the
> free ones besides jhat.
>
> > Tomcat need any special configuration to use PostgreSQL?
>
> It shouldn't.
>
> > Team Summary (Virtualized with VMWare):
> > S.O.: OpenSUSE 12.3
> > PostgreSQL 9.2
> > Apache Tomcat: 7.0.39
> > RAM: 4 GB
> > Processor: 1 with two (2) cores.
>
> Thanks for all that, but what you didn't tell us was the JVM version.
>
>  - Chuck
>
>
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-- 
H├ęctor Del Mestre

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