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From lucidm <bran...@lucidmedia.com>
Subject Memory Usage Question
Date Tue, 02 Sep 2008 17:34:16 GMT

I have a simple question about memory usage in ActiveMQ 5.1.  By default, the
bin/activemq script sets the maximum Java heap size at 512mb.  I have
noticed that if I do not specify a systemUsage / memoryUsage limit to
something less than 512mb, my in-memory queue will grow until the entire
ActiveMQ server becomes unstable.  I start getting OutOfMemory exceptions
regarding the system's inability to launch GC.  Is this normal?  Do I need
to manually manage the configuration for the memory usage across all of my
queues to make sure that the system will not become unstable when one of my
queues fills up?

Thanks,
~Brandon.
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