From: Andrzej Szymanski <szymans@agh.edu.pl>
To: Neil Brown <neilb@suse.de>
Cc: Miquel van Smoorenburg <miquels@cistron.nl>,
linux-kernel@vger.kernel.org
Subject: Re: Strange write starvation on 2.6.17 (and other) kernels
Date: Fri, 25 Aug 2006 10:46:39 +0200 [thread overview]
Message-ID: <44EEB8EF.5050505@agh.edu.pl> (raw)
In-Reply-To: <17646.36219.417129.477853@cse.unsw.edu.au>
Neil Brown wrote:
> On Tuesday August 22, neilb@suse.de wrote:
>> In my various experimenting the one thing that was effective in
>> improving the fairness was to make Linux impose write throttling more
>> often.
>
> I might have found something else too....
>
> Were you using ext3?
>
> If you, can you try mounting with data=writeback
> and see if that makes any difference to the fairness?
>
> Thanks,
> NeilBrown
I've already tried data=writeback - almost no difference or it makes
things even worse. I've briefly tested XFS filesystem, and I've seen the
same behavior as in ext3 so it does not seem to be ext3 related.
Andrzej.
prev parent reply other threads:[~2006-08-25 8:46 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-08-14 16:36 Strange write starvation on 2.6.17 (and other) kernels Andrzej Szymanski
2006-08-14 18:46 ` Jeff V. Merkey
2006-08-14 23:28 ` Grant Coady
2006-08-15 7:50 ` Andrew Morton
2006-08-15 7:51 ` Andrew Morton
2006-08-15 12:40 ` Grzegorz Kulewski
2006-08-15 14:04 ` Andrew Morton
2006-08-15 18:40 ` Jason Lunz
2006-08-16 20:54 ` Andrzej Szymanski
2006-08-17 8:36 ` Miquel van Smoorenburg
2006-08-21 1:31 ` Neil Brown
2006-08-21 12:40 ` Andrzej Szymanski
2006-08-22 7:40 ` Neil Brown
2006-08-25 5:41 ` Neil Brown
2006-08-25 8:46 ` Andrzej Szymanski [this message]
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