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List:       activemq-users
Subject:    Re: Upstream throttling and backlog
From:       praveen27 <praveen27 () gmail ! com>
Date:       2011-08-26 6:09:46
Message-ID: 1314338986113-3770096.post () n4 ! nabble ! com
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Thanks gary,

In our case we are using kaha-db here is the exact config in broker.xml file

<persistenceAdapter>
                        <kahaDB directory="${activemq.base}/data/kahadb" 
                       indexWriteBatchSize="10000" 
                        indexCacheSize="100000" 
                       enableIndexWriteAsync="true" 
                       journalMaxFileLength="128mb" 
                     enableJournalDiskSyncs="false" 
                     checkpointInterval="1000" 
                    maxAsyncJobs="50000"  />
</persistenceAdapter>   


We would have expected a drop in throughput may be 30-40%, but not 90%. The
file system that the kaha db directory is pointing to is fairly beefy raid10
local disks.

What we are looking for is a system that achieves high throughput rates
especially under backlog situations. Appreciate if you can provide some
inputs on this.



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