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Re: Review: Concurrent Multi-File Data Streams

To: Andi Kleen <andi@xxxxxxxxxxxxxx>
Subject: Re: Review: Concurrent Multi-File Data Streams
From: David Chinner <dgc@xxxxxxx>
Date: Tue, 15 May 2007 10:05:23 +1000
Cc: David Chatterton <dchatterton@xxxxxxxxxx>, "'xfs-dev'" <xfs-dev@xxxxxxx>, "'xfs-oss'" <xfs@xxxxxxxxxxx>, "'David Chinner'" <dgc@xxxxxxx>
In-reply-to: <20070514223946.GA19487@one.firstfloor.org>
References: <p73sla1ev7o.fsf@bingen.suse.de> <000001c79544$44076ac0$0501010a@DCHATTERTONLAPTOP> <20070514223946.GA19487@one.firstfloor.org>
Sender: xfs-bounce@xxxxxxxxxxx
User-agent: Mutt/1.4.2.1i
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


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