Wolf-Dieter Fink [https://community.jboss.org/people/wdfink] created the discussion
"Re: Interesting JBoss 5 Memory Footprint/Leak" To view the discussion, visit: https://community.jboss.org/message/758398#758398 -------------------------------------------------------------- GC is always very difficult to analyze :( What you might do is check the heap utilization from startup in intervalls, I use "jstat -gc ...." for this as it has a minimal footprint. Check whether there is a constant increase of used memory. Is the load different over the time? Do you run the same application and load on AS4? The memory consumption is (young+survivor+old) aka heap, and additional PermGen, ThreadStack and JVM code. So it looks possible that threads or JVM consume memory. Other problems might be the JVM version and OS patches (I've seen issues that a OS patch fix such, but at a non Linux OS). You might start here and check the differences. What if you remove the AggressiveHeap option? -------------------------------------------------------------- Reply to this message by going to Community [https://community.jboss.org/message/758398#758398] Start a new discussion in Performance Tuning at Community [https://community.jboss.org/choose-container!input.jspa?contentType=1&containerType=14&container=2078]
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