linux-kernel - Re: [Bugme-new] [Bug 12564] New: poor performance while preprocessing source code

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Message-Id: <1233190956.21519.13.camel@bluishred.int.infinisim.com>
Date:	Wed, 28 Jan 2009 17:02:36 -0800
From:	Steven Patrick <steven@...s.net>
To:	Jeff Layton <jlayton@...hat.com>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	bugme-daemon@...zilla.kernel.org, linux-nfs@...r.kernel.org,
	linux-kernel@...r.kernel.org
Subject: Re: [Bugme-new] [Bug 12564] New: poor performance while
	preprocessing source code

On Wed, 2009-01-28 at 17:05 -0500, Jeff Layton wrote:
> 
> It's a pretty small patch. The obvious question is: "What mount
> options
> are you using on your NFS mounts?"
> 

  Well, I didn't think that I was using any NFS mounts.
But, it turns out I was in a way.  Apparently, amd does its top
level mounts with noac.  So, where this (using an automounted path):
    cd /h/spo/work
    make -j 5
would be slow.  This (using a non-automounted path):
    cd /home/spo/work
    make -j 5
showed the faster performance I was expecting.
  I will mark my bug as invalid and decide what, if anything,
I want to do about amd.
  Thanks for pointing me in the right direction.

Steven


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