From: Peter Niemayer <niemayer@isg.de>
To: linux-xfs@oss.sgi.com
Subject: Re: observed significant performance improvement using "delaylog" in a real-world application
Date: Wed, 11 Aug 2010 20:08:33 +0200 [thread overview]
Message-ID: <i3uov1$ugj$1@dough.gmane.org> (raw)
In-Reply-To: <20100811000854.GL26402@dastard>
On 08/11/2010 02:08 AM, Dave Chinner wrote:
> One thing that you might want to try to
> further improve performance is the logbsize=262144 option as well.
> That will help flush log IO faster by doing less IOs.
Tried that - but this did not have a positive effect.
(In fact a slightly negative one, but that could be within
the measurement accuracy).
> Also, if your workload is doing lots of fsync calls, then the
> optimisations I posted a few days ago should also help improve
> delaylog throughput.
We don't to any fsync's.
Regards,
Peter Niemayer
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next prev parent reply other threads:[~2010-08-11 18:08 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-08-10 16:01 observed significant performance improvement using "delaylog" in a real-world application Peter Niemayer
2010-08-11 0:08 ` Dave Chinner
2010-08-11 18:08 ` Peter Niemayer [this message]
2010-08-11 8:03 ` Michael Monnerie
2010-08-11 9:45 ` Peter Niemayer
2010-08-11 12:28 ` Michael Monnerie
2010-08-11 17:01 ` Peter Niemayer
2010-08-11 22:31 ` Michael Monnerie
2010-08-11 23:44 ` Dave Chinner
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