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Date: Tue, 15 May 2007 10:05:23 +1000
From: David Chinner <dgc@sgi.com>
Subject: Re: Review: Concurrent Multi-File Data Streams
Message-ID: <20070515000523.GQ86004887@sgi.com>
References: <p73sla1ev7o.fsf@bingen.suse.de> <000001c79544$44076ac0$0501010a@DCHATTERTONLAPTOP> <20070514223946.GA19487@one.firstfloor.org>
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To: Andi Kleen <andi@firstfloor.org>
Cc: David Chatterton <dchatterton@aconex.com>, 'xfs-dev' <xfs-dev@sgi.com>, 'xfs-oss' <xfs@oss.sgi.com>, 'David Chinner' <dgc@sgi.com>

On Tue, May 15, 2007 at 12:39:46AM +0200, Andi Kleen wrote:
> > So yes this is designed for a workload where the number of AGs is a multiple
> > of the number of streams since mixing streams in the one AG is the problem
> > it tries to avoid.
> 
> Sounds like a awful special case. Is that common? 

Common enough to be a serious problem when running multiple 2k ingest and
playout streams (320MB/s each).

Cheers,

Dave.
-- 
Dave Chinner
Principal Engineer
SGI Australian Software Group