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From: Christoph Hellwig <hch@infradead.org>
To: Michael Monnerie <michael.monnerie@is.it-management.at>
Cc: xfs@oss.sgi.com
Subject: Re: LWN.net article: creating 1 billion files -> XFS looses
Date: Thu, 19 Aug 2010 08:05:12 -0400	[thread overview]
Message-ID: <20100819120512.GB9358@infradead.org> (raw)
In-Reply-To: <201008191312.49346@zmi.at>

On Thu, Aug 19, 2010 at 01:12:45PM +0200, Michael Monnerie wrote:
> The subject is a bit harsh, but overall the article says:
> XFS is slowest on creating and deleting a billion files
> XFS fsck needs 30GB RAM to fsck that 100TB filesystem.
> 
> http://lwn.net/SubscriberLink/400629/3fb4bc34d6223b32/

The creation and deletion performance is a known issue, and too a large
extent fixes by the new delaylog code.  We're not quite as fast as ext4
yet, but it's getting close.

The repair result looks a lot like the pre-3.1.0 xfsprogs repair.

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  reply	other threads:[~2010-08-19 12:04 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-08-19 11:12 LWN.net article: creating 1 billion files -> XFS looses Michael Monnerie
2010-08-19 12:05 ` Christoph Hellwig [this message]
2010-08-19 12:45   ` Michael Monnerie
2010-08-19 13:55     ` Stan Hoeppner
2010-08-20  7:55     ` Dave Chinner
2010-08-19 13:10 ` Emmanuel Florac
2010-09-06 13:42 ` Emmanuel Florac
2010-09-06 22:04   ` Dave Chinner
2010-09-06 22:58     ` Michael Monnerie
2010-09-07  3:31       ` Dave Chinner
2010-09-07  6:20         ` Michael Monnerie
2010-09-07  7:01           ` Dave Chinner
2010-09-08  5:42             ` Michael Monnerie
2010-09-07  6:46     ` Emmanuel Florac
2010-09-16 10:13 ` LWN.net article: creating 1 billion files -> Tests we did Emmanuel Florac
2010-09-16 21:53   ` Stan Hoeppner
2010-09-17  7:54     ` Michael Monnerie
2010-09-17 19:29     ` Peter Grandi
2010-09-18 11:25       ` Emmanuel Florac
2010-09-18 11:16     ` Emmanuel Florac
2010-09-17 19:57   ` Peter Grandi
2010-09-18 11:39     ` Emmanuel Florac

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