From: Andreas Dilger <adilger@clusterfs.com>
To: lkml <linux-kernel@vger.kernel.org>
Cc: Matthias Andree <matthias.andree@stud.uni-dortmund.de>
Subject: Re: [patch] speed up ext3 synchronous mounts
Date: Wed, 27 Mar 2002 12:17:19 -0700 [thread overview]
Message-ID: <20020327191718.GY21133@turbolinux.com> (raw)
In-Reply-To: <3C9E4A18.7DDC68AB@zip.com.au> <20020327190731.GA12677@merlin.emma.line.org>
On Mar 27, 2002 20:07 +0100, Matthias Andree wrote:
> On Sun, 24 Mar 2002, Andrew Morton wrote:
> > Again, we don't need to sync indirects as we dirty them because
> > we run a commit if IS_SYNC(inode) prior to returning to the
> > caller of write(2).
>
> Will this help synchronous NFS writes, at least a little? I have slow
> write performance on "sync" NFSv3 exports (ext3 underneath, you guessed
> it), kernel 2.4.19-pre3-ac4 (not really surprising, sync is slow ;-). Is
> it worth a try?
Are you mounting the ext3 filesystem with "data=journal" and have a
large journal? This will help a lot. You can also set up an external
journal device to speed things up.
Cheers, Andreas
--
Andreas Dilger \ "If a man ate a pound of pasta and a pound of antipasto,
\ would they cancel out, leaving him still hungry?"
http://www-mddsp.enel.ucalgary.ca/People/adilger/ -- Dogbert
prev parent reply other threads:[~2002-03-27 19:19 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2002-03-24 21:50 [patch] speed up ext3 synchronous mounts Andrew Morton
2002-03-25 23:01 ` [Ext2-devel] " Stephen C. Tweedie
2002-03-27 19:07 ` Matthias Andree
2002-03-27 19:13 ` Ed Sweetman
2002-03-27 19:17 ` Andreas Dilger [this message]
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