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From Jason Smith <...@iriscouch.com>
Subject Re: View indexing slow on 1.2 branch
Date Thu, 23 Feb 2012 12:19:08 GMT
Hi, Stefan. Is your data set and design document public? Would it be
possible to share them with the community so that people can run the
same tests you are and get to the bottom of this issue?

On Thu, Feb 23, 2012 at 6:46 AM, Stefan Kögl <koeglstefan@gmail.com> 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



-- 
Iris Couch

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