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From Tim Bain <>
Subject Re: Memory percent used
Date Tue, 22 Sep 2015 03:49:26 GMT
Are there any messages on the queues in your broker?  Lots of
unconsumed/unacknowledged messages would certainly explain what you're
seeing, and with PFC disabled there would be nothing to prevent the broker
from blowing right through the memory limit (till it ran into an actual
memory limit when it asked the JVM for some memory and was denied it).

If you're using a non-persistent data store (such as memory), then it's
very expected that when you restart the broker and you lose all of the
messages that had built up in memory, you'd go back to zero.  No surprise

On Mon, Sep 21, 2015 at 7:40 AM, lookers <> wrote:

> Hi,
> I am running AMQ 5.8 and the Memory percent used is greater than 100. What
> could be causing this as the queues are empty? I have also deleted the
> queues using admin console but this has no affect?
> There is no systemUsage set in config  and there is no ProducerFlowControl
> on the queues. I am only using queues for the application. The application
> seems to be operational but I would like to understand why the figure is as
> it is. If I restart broker it goes back to 0.
> --
> View this message in context:
> Sent from the ActiveMQ - User mailing list archive at

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