From: <forums_at_java.net>
Date: Thu, 8 Sep 2011 09:22:50 -0500 (CDT)

Hi Markus,
I tried to follow the Heap Memory Usage Chart in jconsole as closely as I
could, while simultaneously using asadmin get -m
"server.jvm.memory.usedheapsize*".   The times were not exactly the same,
but the used heap seem to follow each other, going up and down from
30-40MB.   What's shown in jconsole and asadmin will be data collected at
different times, so that could be why your values are different?
3.0.1 does have a bug which affects the memory value.  This was fixed in
3.1.
http://java.net/jira/browse/GLASSFISH-12490 [1]
GlassFish gets the memory data from java, so they should be getting the same
data.
ManagementFactory.getMemoryMXBean().getHeapMemoryUsage().getUsed()
Thanks,
Jennifer


[1] http://java.net/jira/browse/GLASSFISH-12490

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