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From Rob Davies <>
Subject Re: Kaha persistence/UsageManager.waitForSpace and fast producer/slow consumer again
Date Wed, 28 Feb 2007 12:50:19 GMT
Hi albert,

I'm just going to start using your test case and see if I can figure  
out whats going on


On 28 Feb 2007, at 10:02, Albert Strasheim wrote:

> Hello all/Rob
> We're still having problems with Kaha persistence when running a fast
> producer/slow consumer.
> The last time I ran our test, we saw that messages would arrive out of
> order, presumably when they were being retrieved from the Kaha store
> and sent out (since they were definately being sent in order). Rob,
> looks like you checked in a test for this kind of thing in revision
> 512643? Were you seeing problems of this nature?
> Having updated to revision 512643, when I run our test, it runs for
> about two seconds before the only remaining ActiveMQ Session Task
> thread hangs in UsageManager.waitForSpace.
> Rob, could you give a summary of the broker/VM/application parameters
> that we should try to tweak to avoid this problem?
> By the way, we're still seeing the exact same issues with the test  
> case
> attached to the AMQ-1148 issue. Maybe the same parameters can be
> tweaked to make that test pass? In that case, we're trying to
> VMPendingSubscriberMessageStoragePolicy instead of having messages
> persisted to the Kaha store.
> Thanks for any feedback.
> Cheers,
> Albert

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