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SubjectRe: file system technical comparisons
You can read www.namesys.com for a description of reiser4, and 
www.namesys.com/benchmarks.html for some benchmarks.

There are no well done independent benchmarks unfortunately.

Of my competitors, and not considering ReiserFS (about which I am not
objective), I would say that if you don't have really large files and
don't have any large directories, ext3 offers the best performance.

If you have large streaming files, look at XFS. Don't use XFS for
files smaller than 100k, as the last time I tested against it its
metadata updates tended to be slow, and that starts to matter at <100k
file sizes.

JFS has never done very well in the benchmarks I run, which is why I
tend to compare us mostly to ext3.

If you are willing to consider ReiserFS, V3 is the journaling filesystem
that has been out for the longest, and receives the least updates (we
are all working on V4), so it is the most stable. I'll let others
comment on its performance.

V4 is far higher performance than V3, but not quite fully stable yet.
Some brave people are using it though. Hopefully we will ship something
stable this month.

Hans

venom@sns.it wrote:

>http://www.linux-mag.com/2002-10/jfs_01.html
>
>On some point it could be discussed, but it is a good starting point.
>
>if you know italian, I will send you another article published in three part
>on Linux&C (http://www.oltrelinux.com) about journaled filesystems available in
>Linux kernel.
>
>bests
>
>Luigi
>
>On Fri, 2 Jan 2004, Steve Glines wrote:
>
>
>
>>Date: Fri, 02 Jan 2004 16:38:22 -0500
>>From: Steve Glines <sglines@is-cs.com>
>>To: linux-kernel@vger.kernel.org
>>Subject: file system technical comparisons
>>
>>I'm looking for a technical comparison between the major file systems.
>>At a minimum I'd like to see a comparison between ext3, reiserfs, xfs
>>and jfs. In the oh so perfect world I'd like to see detailed info on all
>>supported file systems.
>>
>>Please CC or mail me directly as I am not a subscriber to this list.
>>
>>Thanks
>>--
>>Steve Glines
>>
>>In theory, there's no difference between theory and practice, but in
>>practice there is.
>>
>>
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--
Hans


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