From: arjan@fenrus.demon.nl
To: oktay.akbal@s-tec.de (Oktay Akbal)
Cc: linux-kernel@vger.kernel.org
Subject: Re: Numbers: ext2/ext3/reiser Performance (ext3 is slow)
Date: Sat, 10 Nov 2001 14:47:59 +0000 [thread overview]
Message-ID: <E162ZQN-00069u-00@fenrus.demon.nl> (raw)
In-Reply-To: <Pine.LNX.4.40.0111101516050.14500-100000@omega.hbh.net>
In article <Pine.LNX.4.40.0111101516050.14500-100000@omega.hbh.net> you wrote:
> Hello !
> Anyone has an idea, why this ext3 "fails" at this specific test while on
> normal fs-benchmarks it is much better ?
ext3 by default imposes stricter ordering than the other journalling
filesystems in order to improve _data_ consistency (as opposed to just
the guarantee of consistent metadata as most other filesystems do).
if you mount the filesystem with
mount -t ext3 -o data=writeback /dev/foo /mnt/bar
will make it use the same level of guarantee as reiserfs does.
mount -t ext3 -o data=journal /dev/foo /mnt/bar
will do FULL data journalling and will also guarantee data integrety after a
crash...
Greetings,
Arjan van de Ven
next prev parent reply other threads:[~2001-11-10 14:49 UTC|newest]
Thread overview: 50+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <Pine.LNX.4.33.0111081802380.15975-100000@localhost.localdomain.suse.lists.linux.kernel>
[not found] ` <Pine.LNX.4.33.0111081836080.15975-100000@localhost.localdomain.suse.lists.linux.kernel>
2001-11-08 23:00 ` speed difference between using hard-linked and modular drives? Andi Kleen
2001-11-09 0:05 ` Anton Blanchard
2001-11-09 5:45 ` Andi Kleen
2001-11-09 6:04 ` David S. Miller
2001-11-09 6:39 ` Andi Kleen
2001-11-09 6:54 ` Andrew Morton
2001-11-09 7:17 ` David S. Miller
2001-11-09 7:16 ` Andrew Morton
2001-11-09 8:21 ` Ingo Molnar
2001-11-09 7:35 ` Andrew Morton
2001-11-09 7:44 ` David S. Miller
2001-11-09 7:24 ` David S. Miller
2001-11-10 4:56 ` Anton Blanchard
2001-11-10 5:09 ` Andi Kleen
2001-11-10 13:44 ` David S. Miller
2001-11-10 13:52 ` David S. Miller
2001-11-10 14:29 ` Numbers: ext2/ext3/reiser Performance (ext3 is slow) Oktay Akbal
2001-11-10 14:47 ` arjan [this message]
2001-11-10 17:41 ` Oktay Akbal
2001-11-10 17:56 ` Arjan van de Ven
2001-11-15 17:24 ` Stephen C. Tweedie
2001-11-12 16:59 ` [patch] arbitrary size memory allocator, memarea-2.4.15-D6 Ingo Molnar
2001-11-12 18:19 ` Jeff Garzik
2001-11-12 23:26 ` Ingo Molnar
2001-11-13 15:59 ` Riley Williams
2001-11-14 20:49 ` Tom Gall
2001-11-15 1:11 ` Anton Blanchard
2001-11-17 18:00 ` Eric W. Biederman
2001-11-10 13:29 ` speed difference between using hard-linked and modular drives? David S. Miller
2001-11-09 7:14 ` David S. Miller
2001-11-09 7:16 ` David S. Miller
2001-11-09 12:54 ` David S. Miller
2001-11-09 13:15 ` Philip Dodd
2001-11-09 13:17 ` Andi Kleen
2001-11-09 13:25 ` David S. Miller
2001-11-09 13:39 ` Andi Kleen
2001-11-09 13:41 ` David S. Miller
2001-11-09 13:26 ` David S. Miller
2001-11-09 20:45 ` Mike Fedyk
2001-11-09 12:59 ` Alan Cox
2001-11-10 5:20 ` Anton Blanchard
2001-11-09 3:12 ` Rusty Russell
2001-11-09 5:59 ` Andi Kleen
2001-11-09 11:16 ` Helge Hafting
2001-11-12 23:23 ` David S. Miller
2001-11-12 23:14 ` Rusty Russell
2001-11-13 1:30 ` Mike Fedyk
2001-11-13 1:15 ` David Lang
2001-11-12 9:59 ` Rusty Russell
[not found] <E162nwk-0005iG-00@schizo.psychosis.com>
2001-11-11 8:34 ` Numbers: ext2/ext3/reiser Performance (ext3 is slow) Oktay Akbal
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