From: Peter Samuelson <peter@cadcamlab.org>
To: Zhiruo Cao <zhiruo@cc.gatech.edu>
Cc: linux-kernel@vger.kernel.org
Subject: Re: Question on bdflush
Date: Wed, 15 Nov 2000 02:52:13 -0600 [thread overview]
Message-ID: <20001115025213.J18203@wire.cadcamlab.org> (raw)
In-Reply-To: <Pine.GSU.4.21.0011141847460.26147-100000@lennon.cc.gatech.edu>
In-Reply-To: <Pine.GSU.4.21.0011141847460.26147-100000@lennon.cc.gatech.edu>; from zhiruo@cc.gatech.edu on Tue, Nov 14, 2000 at 06:52:21PM -0500
[Zhiruo Cao]
> Why does bdflush (kupdated and kflushed) writes to disk periodically
> even though the system is apparently idle. I think if no more new
> buffers becomes dirty, kflushed show not write anything to disk.
kill -STOP {your cron process}
mount all ext2 filesystems with '-o noatime' or at least '-o nodiratime'
Lots of other small things can be done to reduce disk access. I think
you can even 'kill -STOP {kflushd}' (but don't forget to reenable it at
some point).
Peter
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next prev parent reply other threads:[~2000-11-15 9:22 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2000-11-14 23:52 Zhiruo Cao
2000-11-15 8:52 ` Peter Samuelson [this message]
2000-11-15 9:38 ` Pierre Etchemaite
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