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Re: [PATCH 00/14] repair memory usage reductions

To: Dave Chinner <david@xxxxxxxxxxxxx>
Subject: Re: [PATCH 00/14] repair memory usage reductions
From: Geoffrey Wehrman <gwehrman@xxxxxxx>
Date: Fri, 4 Sep 2009 08:37:37 -0500
Cc: Christoph Hellwig <hch@xxxxxxxxxxxxx>, xfs@xxxxxxxxxxx
In-reply-to: <20090904025753.GB7146@xxxxxxxxxxxxxxxx>
References: <20090902175531.469184575@xxxxxxxxxxxxxxxxxxxxxx> <20090903204940.GB24510@xxxxxxx> <20090904025753.GB7146@xxxxxxxxxxxxxxxx>
User-agent: Mutt/1.5.14 (2007-02-12)
On Fri, Sep 04, 2009 at 12:57:53PM +1000, Dave Chinner wrote:
| Christoph asked me to repeat what I said on #xfs w.r.t the regression.

Thank you for the detailed description.  All I had was a statement from
January 2008, "Barry has completed the memory optimization, but initial
testing shows that performance has regressed."  That was the last update
recorded on Barry's work.

| With that in mind, I think the memory usage optimisation is far more
| important to the majority of XFS users than the CPU usage regression
| it causes as the majority of users don't have RAM-rich environments
| to run repair in.

I agree.

Geoffrey Wehrman  651-683-5496  gwehrman@xxxxxxx

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