Dear customers ,
If you are using JBOSS in your QC/ALM environment , after the installation of JBOSS, it is sometimes necessary to change the heap memory used by it.
This is usually done when there is an increase in the number of active projects in QC/ALM or an increase in the number of concurrent user sessions.
Below KB article will provide the steps for changing the heap size in both Windows and Unix environment :
http://support.openview.hp.com/selfsolve/document/KM194705
Regards,
HP support