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From Bob Dionne <dio...@dionne-associates.com>
Subject Re: View indexing slow on 1.2 branch
Date Thu, 23 Feb 2012 12:26:00 GMT
Stefan,

could you possibly try using this release candidate?

http://people.apache.org/~nslater/dist/1.2.0/

Bob


On Feb 23, 2012, at 1:46 AM, Stefan Kögl wrote:

> Hi,
> 
> For testing purposes I've been replicating a database
> (doc_count:24712508, doc_del_count: 769920, update_seq: 135828514) to
> another Couch instance built from the current 1.2.x branch (pull
> replication using replicator db, if that's relevant). Both databases
> are running on virtual machines with similar setups.
> 
> However the indexing of the views on the 1.2 couch are considerably
> slower (maybe 1/10 of the speed) than on the other server. As far as I
> can tell, its not the hardware that's causing the low performance,
> because the VM's CPU is hardly active (~20% CPU by beam.smp, maybe ~1%
> for couchjs, nothing else active) and disk performance seems OK based
> on some tests.
> 
> I've already applied some of the performance tips from
> 
> http://wiki.apache.org/couchdb/Performance
> 
> but that didn't bring any improvement.
> 
> Do you have any tips how to analyze performance bottlenecks, or any
> suggestions on how to improve performance?
> 
> Thanks!
> 
> 
> -- Stefan


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