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From Hervé BARRAULT <>
Subject Re: ActiveMQ with Xmx5G and Xms5G required more than 10G of ram
Date Tue, 17 Jan 2012 16:59:25 GMT
the configuration of Xmx and Xmx only set the maximum value for the
java heap space. You have also a Java Non Heap Space which can
allocate Memory.

You can open a jconsole when running to have detail about the memory allocation.


On 1/17/12, Laures <> wrote:
> Hi,
> today one of our activemq nodes required more than double the memory than we
> configured for its jvm.
> While this behaviour might not strictly be activmq related, maybe someone
> can explain to me how a java application can "break out" of its configured
> java heap.
> Greetings,
> Alexander
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