Subject: Re: Over used cache memory?
From: Gianni Tedesco <gianni@scaramanga.co.uk>
To: jlnance@unity.ncsu.edu
Cc: linux-kernel@vger.kernel.org
In-Reply-To: <20031106134031.GA2720@ncsu.edu>
References: <BAY4-F41WYf5UPHvAo10001c90f@hotmail.com>
	 <3FAA1056.6020003@aitel.hist.no>  <20031106134031.GA2720@ncsu.edu>
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Date: Thu, 06 Nov 2003 15:14:32 +0100
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On Thu, 2003-11-06 at 14:40, jlnance@unity.ncsu.edu wrote:
> If anyone has any ideas about this, I would love to hear them.

cat /proc/pid/maps of app in question....

most likely it's copying a fsck load of that file in to anonymous
mappings, causing swapping.

If it has a 2GB anonymous mapping and 1GB physical memory, swap will
happen on 1 in 2 pages that that program tries to access, on average.

--=20
// Gianni Tedesco (gianni at scaramanga dot co dot uk)
lynx --source www.scaramanga.co.uk/gianni-at-ecsc.asc | gpg --import
8646BE7D: 6D9F 2287 870E A2C9 8F60 3A3C 91B5 7669 8646 BE7D


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