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From Marnie McCormack <marnie.mccorm...@googlemail.com>
Subject Re: ActiveConsumerCount vs ConsumerCount
Date Fri, 05 Feb 2010 16:09:49 GMT
Hi Jesse,

Just to add to Martin's reply that the most frequent cause of OOM on the
broker is unconsumed messages backing up there.

What size is your heap ?

Are you consuming the messages published ?

Regards,
Marnie

On Fri, Feb 5, 2010 at 1:31 PM, Jesse W. Hathaway <jesse@mbuki-mvuki.org>wrote:

> I posted this question to the users mailing list, but received no
> replies, perhaps the dev subscribers can provide some insight.
>
> I have been running into an issue where unpredictably, my java
> qpid-broker runs out of memory. I tried upgrading to 0.6 to see if it
> resolved the issue, but it seems to still be present.
>
> In an attempt to debug the problem I connected the QPID JMX Management
> console to the broker. What I noticed is that when only my synapse
> process was running the ActiveConsumerCount did not increase. Yet, when
> my jruby JMS client was running the ActiveConsumerCount consistently
> increased without ever decreasing.
>
> Questions:
>
>  1. What does the ActiveConsumerCount represent?
>
>  2. Is it possible that the increasing of the ActiveConsumerCount is
>     causing the broker to exhaust its memory?
>
>  3. What might be the reason my jruby JMS process is causing this value
>     to increase?
>
> thanks, Jesse
>
> --
> There is no expedient to which man will not
> resort to avoid the real labor of thinking.
>  - Sir Joshua Reynolds
>
> ---------------------------------------------------------------------
> Apache Qpid - AMQP Messaging Implementation
> Project:      http://qpid.apache.org
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>
>

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