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From Paul Davis <>
Subject Re: CouchDB huge performance difference between Mac OS / Linux
Date Thu, 29 Jan 2009 22:13:03 GMT
On Thu, Jan 29, 2009 at 4:52 PM, Niket Patel <> wrote:
> On Jan 30, 2009, at 3:00 AM, Paul Davis wrote:
>> Also discussing on IRC, we're wondering if the view is actually built
>> correctly and something else is going wrong. An easy method to debug
>> this if you get a copy of trunk, Futon has a panel that shows you
>> actively running tasks so you'll be able to keep an eye on what
>> couchdb is actually doing in terms of things like view generation and
>> compaction. (replication is on the agenda)
> When view generation starts ( or when I access views )
> 'couchjs' starts and at that time Futon "Status" shows "View Group Indexer"
> running
> 'couchjs' goes away and Futon "Status" shows "No tasks running"
> this things take under 30 seconds
> .db_design/ directory size increase 1.6 MB every-time I access view and when
> couchjs running
> After couchjs finish strange things start
> 'beam' process now starts consuming 40-45% CPU and keep running until I
> respawn with "couchdb -k"
> .db_design/ directory size remains same so nothing written to disk
> Above issue not happen with Mac OS X

Whoa. Turn on debug logging and see if you're having a huge crash of
the view process. I'm guessing you are. Send us any tracebacks you

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