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From Dan Tran <>
Subject Producer flow control not working when there is only one pair
Date Thu, 01 Oct 2009 01:30:47 GMT

Hello,  I am testing the producer flow control of activemq for both 5.2 and
5.3-RC2.   In my test bed, I have a number of producer an consumer topic
working in pair.  When I have multiple pairs running at the same time where
the producers are out pacing the consumers, the flow control feature works (
otherwise, I will get OOM )

However, when I run only one pair, i will get OOM.  Does some one see what I
see?  is there a way for me to find out if producer flow control is

here is my configuration, using only non persistent message

  <!--  lets create an embedded ActiveMQ Broker -->
  <amq:broker useJmx="true" persistent="false" advisorySupport="false">

    <!-- Destination specific policies using destination names or wildcards

          <amq:policyEntry topic=">"  producerFlowControl="true"
memoryLimit="${} mb" />

keyStorePassword="${}" />

    <!--  The maximum about of space the broker will use before slowing down
producers -->
          <amq:memoryUsage limit="${} mb" />
uri="${}://${}" />


Any advice is greatly appreciated


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