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Date: Thu, 29 Jan 2009 17:13:03 -0500
Message-ID: <e2111bbb0901291413i49a073a3x2f42f067f698b8a3@mail.gmail.com>
Subject: Re: CouchDB huge performance difference between Mac OS / Linux
From: Paul Davis <paul.joseph.davis@gmail.com>
To: user@couchdb.apache.org
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On Thu, Jan 29, 2009 at 4:52 PM, Niket Patel <nexneo@me.com> 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
get.