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From: Mike Fedyk <mfedyk@matchmail.com>
To: Jean-Luc Fontaine <jfontain@free.fr>
Cc: linux-kernel@vger.kernel.org
Subject: Re: /proc/partitions statistics question
Date: Tue, 16 Dec 2003 12:37:09 -0800	[thread overview]
Message-ID: <20031216203709.GB1402@matchmail.com> (raw)
In-Reply-To: <3FDF5E6A.7010201@free.fr>

On Tue, Dec 16, 2003 at 08:35:06PM +0100, Jean-Luc Fontaine wrote:
> (24566 - 7925) = 16641 were written, whereas
> (23567 - 7152) = 16415 were read
> I would have expected something near 1048576 (kilobytes),
> but the results seem to be roughly 64 times less...
> 
> I would really appreciate an explanation, as I use those statistics
> in a monitoring program and for filesystems performance tests.
> 
> Many thanks for your help!
> 

check out the man page for iostat in the sar/sysstat package.  It documents
what is happening here.   This is in blocks, and there is merging to
consider and etc...

> -- 
> Jean-Luc Fontaine  mailto:jfontain@free.fr  http://jfontain.free.fr/
> -
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      reply	other threads:[~2003-12-16 20:37 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-12-16 19:35 /proc/partitions statistics question Jean-Luc Fontaine
2003-12-16 20:37 ` Mike Fedyk [this message]

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