From: Dave Chinner <david@fromorbit.com>
To: Jan Engelhardt <jengelh@medozas.de>
Cc: xfs@oss.sgi.com
Subject: Re: XFS write speed down
Date: Fri, 30 Apr 2010 11:11:06 +1000 [thread overview]
Message-ID: <20100430011106.GA32515@dastard> (raw)
In-Reply-To: <alpine.LSU.2.01.1004292322530.23248@obet.zrqbmnf.qr>
On Thu, Apr 29, 2010 at 11:46:33PM +0200, Jan Engelhardt wrote:
> Hi,
>
> Running 2.6.33.2, I am observing this
>
> used-xfs$ time ( tar -xf /dev/shm/linux-2.6.33.3.tar ; sync )
> real 12m29.272s
> user 0m0.196s
> sys 0m3.028s
What was the last kernel you ran that didn't have this slowdown?
I see the same test on 2.6.32 to my 2.6TB RAID6 volume take
about 35s.
Can you post the output of "echo w > /proc/sysrq-trigger" while
your test is running?
Cheers,
Dave.
--
Dave Chinner
david@fromorbit.com
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prev parent reply other threads:[~2010-04-30 1:22 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-04-29 21:46 XFS write speed down Jan Engelhardt
2010-04-30 1:11 ` Dave Chinner [this message]
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