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SubjectRe: reiserfs, xfs, ext2, ext3
On Thursday 10 May 2001 12:19, Pekka Pietikainen wrote:
> Here's some very unscientific numbers I've measured (ancient 4G SCSI
> drive on a dual pII/450), XFS 1.0-pre2 and reiserfs is
> the version in that kernel. The first bit is from tiobench, the
> multiple files one is a simple 30-line program that creates tons of
> 1k files and then removes them.
> Create 20000 files: 116.882449
> Unlink 20000 files: 47.449201
> reiserfs
> Create 20000 files: 17.862143
> Unlink 20000 files: 9.487520
> ext2
> Create 20000 files: 248.758925
> Unlink 20000 files: 2.287174

Whoops! The create test is exactly the case my index patch
accelerates, trying it is highly recommended:

To apply:

cd source/tree
zcat ext2-dir-patch-S4.gz | patch -p1
cat dx.pcache-2.4.4 | patch -p0

Or for the all-in-page-cache version (needs Al Viro's patch, see the

The testme version is easier to apply but the pcache version is more
like what the final form will be (waiting for Al's patch to get into
Linus's tree so I can de-fork this).


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