From: Richard Ems <richard.ems@cape-horn-eng.com>
To: Christoph Hellwig <hch@infradead.org>
Cc: xfs@oss.sgi.com
Subject: Re: XFS unlink still slow on 3.1.9 kernel ?
Date: Mon, 13 Feb 2012 19:06:44 +0100 [thread overview]
Message-ID: <4F395134.8030202@cape-horn-eng.com> (raw)
In-Reply-To: <20120213180220.GA24163@infradead.org>
On 02/13/2012 07:02 PM, Christoph Hellwig wrote:
> On Mon, Feb 13, 2012 at 06:53:20PM +0100, Richard Ems wrote:
>> I will try to install a > 3.2 kernel and will create new XFS partitions
>> with "-i size=1024", since we use ACLs a lot for user access.
>> Is there a chance to change existing XFS partitions to "-i size=1024" ?
>
> Unfortunately not. Note that the speedups in 3.2 only matter for
> out of line attributes - once you store the ACLs inside the inode the
> code that makes it dog slow in old kernels is never used.
Ok, I see, many thanks.
So
1. use kernels > 3.2, if XFS partition was not created using "-i size=1024"
2. if XFS partition was created using "-i size=1024", kernels < 3.2 will
also be fast while unlinking files with out of line attributes
Right?
Thanks,
Richard
--
Richard Ems mail: Richard.Ems@Cape-Horn-Eng.com
Cape Horn Engineering S.L.
C/ Dr. J.J. Dómine 1, 5º piso
46011 Valencia
Tel : +34 96 3242923 / Fax 924
http://www.cape-horn-eng.com
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next prev parent reply other threads:[~2012-02-13 18:06 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-02-13 16:57 XFS unlink still slow on 3.1.9 kernel ? Richard Ems
2012-02-13 17:08 ` Christoph Hellwig
2012-02-13 17:11 ` Richard Ems
2012-02-13 17:15 ` Christoph Hellwig
2012-02-13 17:26 ` Richard Ems
2012-02-13 17:29 ` Christoph Hellwig
2012-02-13 17:53 ` Richard Ems
2012-02-13 18:02 ` Christoph Hellwig
2012-02-13 18:06 ` Richard Ems [this message]
2012-02-13 18:10 ` Christoph Hellwig
2012-02-13 18:18 ` Richard Ems
2012-02-13 18:48 ` Richard Ems
2012-02-13 21:16 ` Christoph Hellwig
2012-02-14 5:31 ` Stan Hoeppner
2012-02-14 9:48 ` Richard Ems
2012-02-14 19:43 ` Christoph Hellwig
2012-02-14 9:49 ` Richard Ems
2012-02-14 10:54 ` Richard Ems
2012-02-14 11:44 ` Richard Ems
2012-02-14 0:09 ` Dave Chinner
2012-02-14 12:32 ` Richard Ems
2012-02-14 19:45 ` Christoph Hellwig
2012-02-15 12:07 ` Richard Ems
2012-02-15 1:27 ` Dave Chinner
2012-02-15 12:07 ` Richard Ems
-- strict thread matches above, loose matches on Subject: below --
2012-02-14 13:02 Richard Ems
[not found] ` <4F3AA191.9030606@mnsu.edu>
2012-02-14 18:12 ` Richard Ems
2012-02-14 19:07 ` Christoph Hellwig
2012-02-15 12:48 ` Richard Ems
2012-02-14 23:10 ` Stan Hoeppner
2012-02-15 15:54 ` Richard Ems
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