From mboxrd@z Thu Jan 1 00:00:00 1970 From: Hans Reiser Subject: Re: ext3 throughput woes on certain (possibly heavily fragmented) files Date: Sat, 07 Sep 2002 02:05:12 +0400 Message-ID: <3D792698.4010401@namesys.com> References: <20020903092419.GA5643@vitelus.com> <20020906170614.A7946@redhat.com> <15736.57972.202889.872554@laputa.namesys.com> <3D78E44E.5020107@namesys.com> <20020906210214.GA25666@vitelus.com> Mime-Version: 1.0 Content-Transfer-Encoding: 7bit Return-path: list-help: list-unsubscribe: list-post: Errors-To: flx@namesys.com List-Id: Content-Type: text/plain; charset="us-ascii"; format="flowed" To: Aaron Lehmann Cc: Nikita Danilov , "Stephen C. Tweedie" , linux-kernel@vger.kernel.org, reiserfs-list@namesys.com Aaron Lehmann wrote: >On Fri, Sep 06, 2002 at 09:22:22PM +0400, Hans Reiser wrote: > > >>I think I prefer that we implement a repacker for reiser4 though, as >>that, combined with delayed allocation, will be a balanced and thorough >>solution. >> >> > >How does current ReiserFS fare against extreme fragmentation? What >about XFS? Without trying to risk a flamewar, what Linux filesystems >are the most preventive of fragmentation? > >The filesystem could make a huge difference on a machine like a mail >server... > > > > 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. Hans