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From titexe <tit...@yahoo.Fr>
Subject Re: low persistent messaging performance using kahadb
Date Tue, 15 Dec 2009 09:21:39 GMT

by putting this config KahaDB, I had the same performance as
Kahapersistenceadaptor:

<persistenceAdapter>
      <kahaDB directory="${activemq.base}/data/kahadb"
enableJournalDiskSyncs="false" indexWriteBatchSize="10000"
indexCacheSize="1000"/>
</ persistenceAdapter>

titexe



titexe wrote:
> 
> Hello,
> 
> using kahaDB, could you have the same performance?
> 
> Because I encounter the same problem, even using what in
> ActiveMQ-througthput.xml
> 
> best regards,
> 
> titexe
> 
> Duro wrote:
>> 
>> Hi,
>> 
>> i've tested kahadb and kahaPersistenceAdapter using same simple test
>> conditions i.e. 
>> 
>> - persistent queue
>> - 3 consumers
>> - 1 producer
>> - 25 kb message size (10 000 msgs)
>> 
>> according this, kahadb has troughput 22 msgs/s while
>> kahaPersistenceAdapter 333 msgs/s. Similar difference observed using
>> kahadb with amq 5.3, amq 5.4 snapshot and 5.3.1 snapshot. Why is that? Is
>> it possible to somehow configure kahadb (or message producer) to get
>> better results?
>> 
>> Duro
>> 
>> 
> 
> 

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