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From drvillo <>
Subject Re: [Spam: 5.0] How to maximize MDB throughput with ActiveMQ and JBoss?
Date Tue, 06 Mar 2007 10:13:30 GMT

How is JBoss configured?

did you set the MaximumSize parameters accordingly?
As shown here:


kchamber wrote:
> I have ActiveMQ integrated in with JBoss according to the instructions
> listed on this website, and I am looking at how to maximize the throughput
> for the MDBs listening on a single non-persistent queue.
> Specifically, I can have several hundred messages on the queue
> consistently (looking at the queueSize), but I only ever get about 10 MDBs
> allocated.
> Various gyrations of changing the activation config settings for
> maxSessions, maxMessagesPerSession yield very different results,
> (including messages never getting processed).
> Is there any documentation that points to "how" MDBs get allocated?  I
> have tried changing "MaximumSize" values within various jboss XML config
> thread pools and also setting the max-pool-size on the ActiveMQ
> QueueConstructor.
> Instead of the guess-work, I'd like to know how to configure the number of
> MDBs that will get allocated for processing incoming requests on a
> specific queue.
> Thanks

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