Message-ID: <3D861C51.4D7AF687@isg.de>
Date: Mon, 16 Sep 2002 20:00:49 +0200
From: Peter Niemayer <niemayer@isg.de>
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To: linux-kernel@vger.kernel.org, aaronl@vitelus.com, reiser@namesys.com
Subject: Re: ext3 throughput woes on certain (possibly heavily fragmented) files
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Hans Reiser wrote:

> Sometimes it is best to confess that one does not have the expertise 
> appropriate for answering a question. Someone on our mailing list 
> studied it carefully though. Perhaps they can comment. 

You can find all about the diploma thesis Constantin Loizides
wrote on that topic under

 http://www.informatik.uni-frankfurt.de/~loizides/reiserfs/

Alas, while fragmentation effects are measurable, their real-world-impact
is so heavily masked by even the slightest differences in the VFS of
different Linux kernel versions and the usage pattern of applications
that it is hard to make a definitive general statement.

Regards,

Peter Niemayer
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