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From "Timothy Bish (JIRA)" <>
Subject [jira] [Closed] (AMQ-3949) Why ActiveMQMessageConsumer.dispatch copies message per listener
Date Tue, 07 Aug 2012 18:44:10 GMT


Timothy Bish closed AMQ-3949.

    Resolution: Not A Problem
> Why ActiveMQMessageConsumer.dispatch copies message per listener
> ----------------------------------------------------------------
>                 Key: AMQ-3949
>                 URL:
>             Project: ActiveMQ
>          Issue Type: Improvement
>            Reporter: Martin Chan Shu Ching
>            Priority: Minor
> When the consumer receives a topic message, the message is copied in ActiveMQMessageConsumer.dispatch()
line 1294. If there are 10 consumers, the message will be copied 10 times. Wondering if that's
really necessary to copy the content because we are doing performance tuning in our applications
and found there is high memory usage in the MQ layer.
> line:1294
> ActiveMQMessage message = createActiveMQMessage(md);

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