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From: Jon Nelson <jnelson-linux-raid@jamponi.net>
To: Joe Landman <joe.landman@gmail.com>
Cc: linux-raid <linux-raid@vger.kernel.org>
Subject: Re: very slow file deletion on an SSD
Date: Sat, 26 May 2012 19:07:27 -0500	[thread overview]
Message-ID: <CAKuK5J2nAGGeFpJgRnb2trTriVDsbEQK_g-x86=nMdtsHs06yg@mail.gmail.com> (raw)
In-Reply-To: <4FC16D65.8000008@gmail.com>

On Sat, May 26, 2012 at 6:55 PM, Joe Landman <joe.landman@gmail.com> wrote:
> On 05/26/2012 07:18 PM, Dave Chinner wrote:
>
>> Sounds like you might be hitting the synchronous xattr removal
>> problem that was recently fixed (as has been mentioned already), but
>> even so 2 IOs don't take 1-2s to do, unless the MD RAID5 barrier
>> implementation is really that bad. If you mount -o nobarrier, what
>> happens?


Consider trying btrfs to eliminate the filesystem from the equation.
It should auto-detect that it's on an SSD.


-- 
Jon

      reply	other threads:[~2012-05-27  0:07 UTC|newest]

Thread overview: 24+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-05-25 10:37 very slow file deletion on an SSD Joe Landman
2012-05-25 10:45 ` Bernd Schubert
2012-05-25 10:49   ` Joe Landman
2012-05-25 14:48     ` Roberto Spadim
2012-05-25 16:57 ` Ben Myers
2012-05-25 16:54   ` Joe Landman
2012-05-25 16:59   ` Christoph Hellwig
2012-05-26 16:00     ` David Brown
2012-05-26 19:56 ` Stan Hoeppner
2012-05-26 23:18 ` Dave Chinner
2012-05-26 23:25   ` Joe Landman
2012-05-27  0:07     ` Dave Chinner
2012-05-27  0:10       ` joe.landman
2012-05-27  1:49       ` Joe Landman
2012-05-27  2:40         ` Eric Sandeen
2012-05-27  2:43           ` Eric Sandeen
2012-05-27  7:34           ` Stefan Ring
2012-05-27 13:15             ` Krzysztof Adamski
2012-05-27 14:59               ` joe.landman
2012-05-27 16:07                 ` Eric Sandeen
2012-05-27 17:14                   ` Joe Landman
2012-05-27 17:17                   ` Joe Landman
2012-05-26 23:55   ` Joe Landman
2012-05-27  0:07     ` Jon Nelson [this message]

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