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From Gaurav Hariani <>
Subject Re: Absolutely NO persistence please
Date Mon, 13 Aug 2007 14:28:00 GMT
My needs are similar to yours and I don't see any derby/journal activity.

I'm using ActiveMQ 4.1.1 with the following basic activemq.xml config.


  <broker brokerName="localhost" useJmx="true" persistent="false" 

    <!--  Increase to 64 MB Use the following to set the broker memory 
limit -->
        <usageManager id="memory-manager" limit="64 MB"/>
    <!-- Use the following to configure how ActiveMQ is exposed in JMX -->
       <managementContext connectorPort="1099" 

       <transportConnector name="openwire" uri="tcp://localhost:61616"/>

ConstantChange wrote:
> Hi!
> (I really tried to figure this out by finding other threads and reading
> documentation, but unfortunately I did not get further hat way.)
> We use ActiveMQ to create concurrent tasks doing some stuff in a parallel
> manner for performance reasons. Now, in our case we dont need ANY
> persistence whatsoever. Messages by avg. will live for around 3-10 seconds,
> and if they take longer they are not needed anymore.
> Now, the obvious thing to do is turning persistence off with the
> "persistence=false" attribute in the broker. But this does not prevent
> ActiveMQ from starting up the Derby Journal thing. Why is that? In all the
> other threads seemingly related to this the people either wanted only
> journaling or only jdbc persistence, but I dont want any of those!! How can
> I archieve that?
> (Or is the journal not an optional thing because its used as kind of cache
> so the memory does not overflow?)
> Thanks very very much!
> Cheers,
> CC

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