From: Andrew Morton <akpm@osdl.org>
To: Matthias Andree <matthias.andree@gmx.de>
Cc: linux-kernel@vger.kernel.org
Subject: Re: 2.6.4 ext3fs half order of magnitude slower than xfs - bulk write
Date: Mon, 15 Mar 2004 15:23:55 -0800 [thread overview]
Message-ID: <20040315152355.32a1b054.akpm@osdl.org> (raw)
In-Reply-To: <20040315214741.GA5042@merlin.emma.line.org>
Matthias Andree <matthias.andree@gmx.de> wrote:
>
> ext3fs runs in the default data=ordered mode for one test and
> data=writeback for another. xfs runs in default mode without special
> realtime tricks or such. XFS is at least by a factor three faster than
> even ext3 -o data=writeback.
It should be possible to generate a simple testcase which demonstrates this
problem on that machine. Is that something you can do?
>From your description, write-and-fsync.c from
http://www.zip.com.au/~akpm/linux/patches/stuff/ext3-tools.tar.gz
would be a good starting point.
next prev parent reply other threads:[~2004-03-15 23:22 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-03-15 21:47 Matthias Andree
2004-03-15 23:23 ` Andrew Morton [this message]
2004-03-16 1:54 ` Matthias Andree
2004-03-18 5:43 ` Andrew Morton
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