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From "Gary Tully" <gary.tu...@gmail.com>
Subject Re: Out of memory exception in ActiveMQ
Date Thu, 28 Aug 2008 09:22:32 GMT
trying to pull this information together, there is some more detail
at: http://activemq.apache.org/javalangoutofmemory.html

2008/8/27 James Strachan <james.strachan@gmail.com>:
> Try increase your heap; as a broker and mule server and JMS client is
> gonna use up RAM.
>
> To reduce the memory overhead of the JMS client you can reduce the prefetch...
> http://activemq.apache.org/what-is-the-prefetch-limit-for.html
>
> the out of the box broker config should be fine but if you're really
> short of RAM you can reduce the usageManager settings
>
>
> 2008/8/27 Manupriya <manupriya.sinha@gmail.com>:
>>
>> Hi,
>> We are using following -
>>
>> 1. ActiveMQ 5.1
>> 2. I have not set JVM heap to any value.
>> 3. We are running a mule server.
>> 4. Both the consumer and broker are using the same JVM.
>>
>> Thanks,
>> Manu
>>
>>
>> James.Strachan wrote:
>>>
>>> Which version are you using? What did you set your JVM heap to? Which
>>> JVM got the OOM exception, the broker or the consumer?
>>>
>>> This document helps you get better help quicker
>>> http://activemq.apache.org/support.html
>>>
>>> 2008/8/27 Manupriya <manupriya.sinha@gmail.com>:
>>>>
>>>> Hi,
>>>>
>>>> We have the following requirement -
>>>>
>>>> 1. We read a flat file that has around 2 million rows.
>>>> 2. For each row we do some processing and create a JMS message and put it
>>>> in
>>>> an ActiveMQ topic.
>>>> 3. We have a consumer that consumes each of there messages and then does
>>>> some processing.
>>>> 4. We need the topic to be able to handle around 2 million messages.
>>>>
>>>> I am getting memory out of bound exception after 30000 messages are
>>>> created
>>>> and put on the topic.
>>>>
>>>> We are assuming, as there are only one consumer for the topic, messages
>>>> should be removed from the topic once it is consumed.
>>>>
>>>> Thanks,
>>>> Manupriya
>>>> --
>>>> View this message in context:
>>>> http://www.nabble.com/Out-of-memory-exception-in-ActiveMQ-tp19176596p19176596.html
>>>> Sent from the ActiveMQ - User mailing list archive at Nabble.com.
>>>>
>>>>
>>>
>>>
>>>
>>> --
>>> James
>>> -------
>>> http://macstrac.blogspot.com/
>>>
>>> Open Source Integration
>>> http://open.iona.com
>>>
>>>
>>
>> --
>> View this message in context: http://www.nabble.com/Out-of-memory-exception-in-ActiveMQ-tp19176596p19178729.html
>> Sent from the ActiveMQ - User mailing list archive at Nabble.com.
>>
>>
>
>
>
> --
> James
> -------
> http://macstrac.blogspot.com/
>
> Open Source Integration
> http://open.iona.com
>

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