Re: ext4 unlink performance

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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.
> How big is the filesystem that you are testing against?

The partition is almost 30GB.

> I'm guessing
> that if you have 725,000 small files, that it can't be much more than
> a gig or two, right?

The compressed stream itself expands to 4.4GB, and more on disk due to
block sizes.

> Can you send me the output of 
> 
>     e2image -r /dev/XXX - | bzip2 ext4.e2i.bz2
> 
> for both the ext4 and ext3 filesystems, after you have loaded them
> with your small files, and before you delete them?

Will do.  Can you accept LZMA so I can save a bit of bandwidth?

-- 
Bruce Guenter <bruce@xxxxxxxxxxxxxx>                http://untroubled.org/

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