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From Dejan Bosanac <de...@nighttale.net>
Subject Re: Persistent messages cache causes OutOfMemory
Date Thu, 08 Jul 2010 13:23:07 GMT
You can also check you memory limits on the queue and see how much of
it has been used, and perhaps tune that a bit.

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 3:21 PM, Dejan Bosanac <dejan@nighttale.net> wrote:
> 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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