User development, A new message was posted in the thread "Memory consumption 1h after JBoss start": http://community.jboss.org/message/521204#521204 Author : Peter Johnson Profile : http://community.jboss.org/people/peterj Message: -------------------------------------------------------------- You need to examine the heap and figure out what objects are suddenly occupying the heap. Tools to use include jmap and VisualVM, both of which come with the Sun JDK 6.   VisualVM even lets you compare two heap snapshots to see which objects have suddenly increased in number. -------------------------------------------------------------- To reply to this message visit the message page: http://community.jboss.org/message/521204#521204