Thank you very much: I will check what you suggested. The Java version is 1.7
regards 2013/6/6 Caldarale, Charles R <chuck.caldar...@unisys.com> > > From: Hector Del Mestre [mailto:hectordelmes...@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 > > > THIS COMMUNICATION MAY CONTAIN CONFIDENTIAL AND/OR OTHERWISE PROPRIETARY > MATERIAL and is thus for use only by the intended recipient. If you > received this in error, please contact the sender and delete the e-mail and > its attachments from all computers. > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: users-unsubscr...@tomcat.apache.org > For additional commands, e-mail: users-h...@tomcat.apache.org > > -- Héctor Del Mestre