From: Emmanuel Florac <eflorac@intellique.com>
To: "Bart Van Assche" <bart.vanassche@gmail.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: RAID-1 performance under 2.4 and 2.6
Date: Wed, 26 Mar 2008 12:07:13 +0100 [thread overview]
Message-ID: <20080326120713.24cb8093@harpe.intellique.com> (raw)
In-Reply-To: <e2e108260803260142o34c33e7ajf395d5cb62824cb4@mail.gmail.com>
Le Wed, 26 Mar 2008 09:42:19 +0100
"Bart Van Assche" <bart.vanassche@gmail.com> écrivait:
> Keep in mind that the above test tests two subsystems at the same
> time: RAID-1 + the filesystem on top of it.
I'm using XFS usually, and I've also checked against the raw devices
and it looks the same (2.4 still faster). I must add that the difference
is somewhat reduced when using a single disk drive vs. RAID-1,
obviously due to different buffering policy in the RAID subsystem.
--
----------------------------------------
Emmanuel Florac | Intellique
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next prev parent reply other threads:[~2008-03-26 11:07 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-03-25 18:43 Emmanuel Florac
2008-03-25 22:00 ` Chris Snook
2008-03-25 22:09 ` Emmanuel Florac
2008-03-25 22:47 ` Bill Davidsen
2008-03-25 23:13 ` Chris Snook
2008-03-25 23:42 ` Bill Davidsen
2008-03-26 8:05 ` Emmanuel Florac
2008-03-26 8:25 ` "J.A. Magallón"
2008-03-27 21:49 ` Bill Davidsen
2008-03-26 16:51 ` Chris Snook
2008-03-26 16:39 ` Chris Snook
2008-07-16 14:52 ` Pádraig Brady
2008-07-16 18:18 ` Chris Snook
2008-03-26 7:15 ` Bart Van Assche
2008-03-26 7:56 ` Emmanuel Florac
2008-03-27 21:53 ` Bill Davidsen
2008-03-28 7:44 ` Bart Van Assche
2008-03-28 12:04 ` Bill Davidsen
2008-03-25 22:37 ` Bill Davidsen
2008-03-26 8:42 ` Bart Van Assche
2008-03-26 11:07 ` Emmanuel Florac [this message]
2008-03-26 11:15 ` Bart Van Assche
2008-03-26 12:36 ` Emmanuel Florac
2008-03-26 13:22 ` Bart Van Assche
2008-03-27 22:03 ` Bill Davidsen
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