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From Gaurav Sharma <>
Subject Re: Sounds like ActiveMQ still hangs after memory increase
Date Mon, 27 Aug 2012 06:32:49 GMT
When the process hangs, please take a thread dump (kill -3) and pastebin/gist and share so
folks on here can help. Also, how did you determine that it hangs - no log activity, jmx response,

By the way, 1-2gigs of heap is not very large these days not that you should just up it but
just fyi.

On Aug 26, 2012, at 23:14, "Tlholoe, Peter" <> wrote:

> Good Day,
> We have increased the maximum heap size of the JVM started by ActiveMQ to 2048mb, and
set the systemUsage memoryLimit to 1280 (70% of the total max heap size). We have also set
the per destination policy. For topics (“>”) since they are heavily used we have set
the memoryLimit to 512 and 128 mb for Queues (“>”). And we have also disabled producer
flow control. Can it be something else ?. We are using ActiveMQ 5.4.2
> I have attached our activemq.xml
> To read FirstRand Bank's Disclaimer for this email click on the following address or
copy into your Internet browser: 
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and we will send you a copy of the Disclaimer.
> <activemq.xml>

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