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From Oleg Dulin <>
Subject PerDestination KahaDB and slow recovery
Date Mon, 20 May 2013 20:48:12 GMT
Dear Colleagues:

We have about 1500 queues on the broker. Some queues are consumed in a 
"batch" fashion. So the journal gets fragmented and becomes quite 
large. To optimize disk usage, I've done the following:

                 <mKahaDB directory="activemq-data/kahadb">
                                  <filteredKahaDB perDestination="true" >
journalMaxFileLength="16mb" cleanupInterval="10000"/>

However, now the broker restart becomes really slow because it seems to 
do recovery sequentially on each journal.

Is there a way to speed this up ?

Help is greatly appreciated.

Oleg Dulin

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