From: Joerg.Schilling@fokus.fraunhofer.de (Joerg Schilling)
To: gentoo-user@lists.gentoo.org
Subject: Re: [gentoo-user] [OT] filesystems
Date: Wed, 26 Nov 2008 10:29:03 +0100 [thread overview]
Message-ID: <492d16df.ir60kkjEchKzsmic%Joerg.Schilling@fokus.fraunhofer.de> (raw)
In-Reply-To: <200811252026.57192.volker.armin.hemmann@tu-clausthal.de>
Volker Armin Hemmann <volker.armin.hemmann@tu-clausthal.de> wrote:
> > Oh, and according to this benchmark
> > http://linuxgazette.net/122/piszcz.html
> > reiserfs does not deserve its speed fame.
>
> they tested crap.
>
> As I wrote in the other mail. XFS and reiserfs turn on barriers by default,
> ext3 turns them off.
> With barriers on for ext3 it looses 30%(!). reiserfs and xfs don't suffer as
> much, but suffer they do. So if the test did not turn on or off barriers for
> all fs who support them, ext3 had an unfair advantage.
>
> And you want barriers.
I am not sure what you call "barriers"....
ext3 slows down by 400% if you call fsync(2) after copying single files.
UFS on Solaris slows down by 10% only because UFS has been optimized for best
speed _and_ best data integrity.
Jörg
--
EMail:joerg@schily.isdn.cs.tu-berlin.de (home) Jörg Schilling D-13353 Berlin
js@cs.tu-berlin.de (uni)
schilling@fokus.fraunhofer.de (work) Blog: http://schily.blogspot.com/
URL: http://cdrecord.berlios.de/private/ ftp://ftp.berlios.de/pub/schily
next prev parent reply other threads:[~2008-11-26 9:29 UTC|newest]
Thread overview: 98+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-11-23 22:31 [gentoo-user] filesystems William Kenworthy
2008-11-23 23:00 ` [gentoo-user] [OT] filesystems Kobboi
2008-11-24 1:06 ` Dale
2008-11-24 1:42 ` W.Kenworthy
2008-11-24 5:58 ` Roy Wright
2008-11-24 15:18 ` Joerg Schilling
2008-11-24 6:28 ` Dirk Heinrichs
2008-11-24 6:38 ` Dale
2008-11-24 10:53 ` Volker Armin Hemmann
2008-11-24 11:07 ` Dale
2008-11-24 12:17 ` Dirk Heinrichs
2008-11-24 12:49 ` Volker Armin Hemmann
2008-11-24 12:59 ` Dirk Heinrichs
2008-11-24 13:50 ` Volker Armin Hemmann
2008-11-24 14:56 ` Dirk Heinrichs
2008-11-24 15:41 ` Joerg Schilling
2008-11-24 21:47 ` Nicolas Sebrecht
2008-11-24 22:05 ` Alan McKinnon
2008-11-24 22:15 ` Volker Armin Hemmann
2008-11-24 22:56 ` Alan McKinnon
2008-11-24 23:41 ` Volker Armin Hemmann
2008-11-25 0:22 ` [gentoo-user] " »Q«
2008-11-25 10:47 ` Joerg Schilling
2008-11-25 11:42 ` Volker Armin Hemmann
2008-11-25 11:53 ` Joerg Schilling
2008-11-25 9:15 ` [gentoo-user] " Joerg Schilling
2008-11-25 9:07 ` Joerg Schilling
2008-11-25 10:02 ` Alan McKinnon
2008-11-24 21:09 ` Dale
2008-11-25 7:34 ` Dirk Heinrichs
2008-11-25 8:27 ` Dale
2008-11-25 17:57 ` Paul Hartman
2008-11-25 18:37 ` Jorge Peixoto de Morais Neto
2008-11-25 18:57 ` Jorge Peixoto de Morais Neto
2008-11-25 19:26 ` Volker Armin Hemmann
2008-11-26 9:29 ` Joerg Schilling [this message]
2008-11-26 9:22 ` Joerg Schilling
2008-11-25 19:07 ` Volker Armin Hemmann
2008-11-25 19:24 ` Jorge Peixoto de Morais Neto
2008-11-25 19:40 ` KH
2008-11-25 20:02 ` Volker Armin Hemmann
2008-11-25 20:19 ` Jorge Peixoto de Morais Neto
2008-11-25 20:58 ` Volker Armin Hemmann
2008-11-25 21:11 ` [gentoo-user] " James
2008-11-25 21:15 ` Joerg Schilling
2008-11-25 21:35 ` Alan McKinnon
2008-11-25 21:43 ` Joerg Schilling
2008-11-25 22:06 ` Alan McKinnon
2008-11-25 22:11 ` Joerg Schilling
2008-11-26 9:16 ` Stroller
2008-11-26 19:03 ` Alan McKinnon
2008-11-27 9:18 ` Anthony Metcalf
2008-11-26 0:00 ` Jorge Peixoto de Morais Neto
2008-11-26 14:26 ` Florian Philipp
2008-11-27 12:12 ` Daniel Troeder
2008-11-27 18:22 ` KH
2008-11-29 5:51 ` Jorge Peixoto de Morais Neto
2008-12-01 3:38 ` Shawn Haggett
2008-12-01 8:58 ` Jorge Peixoto de Morais Neto
2008-12-09 10:56 ` Alex Schuster
2008-11-29 6:01 ` Jorge Peixoto de Morais Neto
2008-11-29 11:30 ` Florian Philipp
2008-11-26 9:18 ` Stroller
2008-11-25 20:40 ` [gentoo-user] " Alan McKinnon
2008-11-25 22:07 ` William Kenworthy
2008-11-26 0:22 ` Jorge Peixoto de Morais Neto
2008-11-26 0:45 ` W.Kenworthy
2008-11-26 3:41 ` Philip Webb
2008-11-26 5:05 ` Dale
2008-11-26 14:06 ` Mike Edenfield
2008-11-26 18:50 ` Alan McKinnon
2008-11-26 19:18 ` Dale
2008-11-26 1:02 ` Volker Armin Hemmann
2008-11-26 10:41 ` Joerg Schilling
2008-11-26 9:24 ` Joerg Schilling
2008-11-25 20:34 ` Alan McKinnon
2008-11-25 19:01 ` Volker Armin Hemmann
2008-11-25 20:27 ` Alan McKinnon
2008-11-26 3:59 ` Dale
2008-11-24 6:30 ` [gentoo-user] filesystems Dirk Heinrichs
2008-11-24 10:30 ` William Kenworthy
2008-11-24 11:07 ` Dirk Heinrichs
2008-11-24 12:03 ` William Kenworthy
2008-11-24 12:15 ` Dirk Heinrichs
2008-11-24 12:35 ` Stroller
2008-11-24 12:44 ` William Kenworthy
2008-11-24 12:50 ` Dirk Heinrichs
2008-11-24 13:13 ` William Kenworthy
2008-11-24 12:46 ` Dirk Heinrichs
2008-11-24 15:12 ` Dirk Heinrichs
-- strict thread matches above, loose matches on Subject: below --
2008-11-24 14:11 [gentoo-user] [OT] filesystems GMail
2008-11-24 14:11 GMail
2008-11-24 14:16 ` Joerg Schilling
2008-11-24 14:12 GMail
2008-11-24 14:54 ` Dirk Heinrichs
2008-11-25 9:41 ` Daniel Troeder
2008-11-24 14:12 GMail
2008-11-24 14:48 ` Stroller
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