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From Dejan Bosanac <>
Subject Re: ActiveMQ 5.1.0 queue SawTooth pattern
Date Thu, 27 Jan 2011 09:08:26 GMT
Hi Curtis,

did you test some of the later versions? It be good if you could test a
current snapshot and produce a test case if the problem still exists.

Dejan Bosanac
FuseSource - The experts in open source integration and messaging.
ActiveMQ in Action -
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On Wed, Jan 26, 2011 at 8:13 PM, CurtisRopp <> wrote:

> I am run ActiveMQ 5.1.0 moving roughly 120 messages per second into one
> queue
> and then filtering and copying to 4 unique queues using camel where similar
> consumers are consuming those messages.
> Over a period of time the memory trend starts to grow and we have learned
> that around a certain point we need to go in and restart amq (maybe a
> different conversation) when we do this restart and about 30% of the time
> one of the unique queues will go into a sawtooth pattern where messages
> don't get delivered until the peak we have seen this between 20k and 240k
> at
> the top and then they get consumed.
> Have others ran into this issue, is it a known defect that I can't find, or
> the bigger question does anyone know how to fix?
> Thanks,
> Curtis
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