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From Dejan Bosanac <de...@nighttale.net>
Subject Re: Persistent messages cache causes OutOfMemory
Date Thu, 08 Jul 2010 13:21:08 GMT
Hi Chris,

Do you by any chance use VM Cursor in your config?

Please take a look at this page for more details:
http://activemq.apache.org/message-cursors.html

It'd be good if you could post you configuration, so we can see check it out.

Cheers
--
Dejan Bosanac - http://twitter.com/dejanb

Open Source Integration - http://fusesource.com/
ActiveMQ in Action - http://www.manning.com/snyder/
Blog - http://www.nighttale.net



On Thu, Jul 8, 2010 at 2:51 PM, cmongillo <cmongillo@giocodigitale.it> wrote:
>
> Hi,
> we are performing some tests on our ActiveMq instance (version 5.3.0) and we
> noticed a memory increase when our persistent queues become quite full of
> pending messages.
> The result of slow consumers with producerFlowControl disabled is a constant
> increase of the memory with the number of pending messages.
> Analyzing a memory dump in this scenario we noticed that the object
> org.apache.activemq.broker.region.Queue related to our full queue has a
> reference to all pending messages.
> Each org.apache.activemq.broker.region.IndirectMessageReference object
> linked to queue contains a reference to the original
> org.apache.activemq.command.ActiveMQTextMessage object with all content (jms
> message body).
> What is the reason of caching all the pending object when we work with
> persistent messages?
> There is an option we can set to avoid this behaviour?
>
>
> --
> View this message in context: http://old.nabble.com/Persistent-messages-cache-causes-OutOfMemory-tp29106666p29106666.html
> Sent from the ActiveMQ - User mailing list archive at Nabble.com.
>
>

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