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Date:	Sat, 15 Nov 2008 14:44:23 -0600
From:	Bruce Guenter <>
Subject: Re: ext4 unlink performance

On Fri, Nov 14, 2008 at 09:59:14AM -0500, Theodore Tso wrote:
> This is beginning to perhaps sound like a layout problem of some kind.

To test this theory, I ran one test where I populated the filesystem
with ext3 and then mounted as ext4 to do the unlinking.  This produced
unlink times comparable with ext3.  That is, the degredation is occuring
when the filesystem is populated, not when it is cleaned.

Bruce Guenter <>      

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