From: Andrew Clayton <andrew@digital-domain.net>
To: Emmanuel Florac <eflorac@intellique.com>
Cc: xfs@oss.sgi.com
Subject: Re: Latencies in XFS.
Date: Sun, 14 Oct 2007 01:23:23 +0100 [thread overview]
Message-ID: <20071014012323.1d6c9e8e@alpha.digital-domain.net> (raw)
In-Reply-To: <20071013201015.4a8008bb@galadriel.home>
On Sat, 13 Oct 2007 20:10:15 +0200, Emmanuel Florac wrote:
> Le Tue, 9 Oct 2007 16:36:35 +0100 vous écriviez:
>
> > I think I have narrowed it down to XFS.
>
> I notice you use a bleeding-edge unstable kernel, with a whole new
> scheduler. I tried your benchmark on a machine running a known stable
> kernel (2.6.20.17) and the slowdown is similar in xfs and other fs.
I don't see the slowdown in ext3.
> As a side note, I personnally wouldn't choose xfs for desktop users
> home directories (email,web, etc) because it's much better at pure
> throughput and quite slower at IOPS than other FSes. Reiserfs is the
> best of the common FSes for this.
>
> I'm quite surprised that apparently your production system is running
> a prerelease kernel. Why?
Actually it's now running 2.6.23
next prev parent reply other threads:[~2007-10-14 0:23 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-10-09 15:36 Latencies in XFS Andrew Clayton
2007-10-13 15:35 ` Peter Grandi
2007-10-13 18:10 ` Emmanuel Florac
2007-10-14 0:23 ` Andrew Clayton [this message]
2007-10-14 14:49 ` Emmanuel Florac
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