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From: Gianni Tedesco <gianni@scaramanga.co.uk>
To: jlnance@unity.ncsu.edu
Cc: linux-kernel@vger.kernel.org
Subject: Re: Over used cache memory?
Date: Thu, 06 Nov 2003 15:14:32 +0100	[thread overview]
Message-ID: <1068128072.530.1421.camel@lemsip> (raw)
In-Reply-To: <20031106134031.GA2720@ncsu.edu>

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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.

-- 
// 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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  reply	other threads:[~2003-11-06 14:15 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2003-11-06  8:05 Over used cache memory? Wee Teck Neo
2003-11-06  8:25 ` Nick Piggin
2003-11-06  8:59 ` Jerry Lundström
2003-11-06  9:11 ` Helge Hafting
2003-11-06 13:40   ` jlnance
2003-11-06 14:14     ` Gianni Tedesco [this message]
2003-11-06 21:47       ` jlnance
  -- strict thread matches above, loose matches on Subject: below --
2003-11-06  9:15 Wee Teck Neo
2003-11-06 19:07 ` Jose Luis Domingo Lopez
2003-11-06 19:57   ` Maciej Zenczykowski
2003-11-06 20:50     ` Daniel Gryniewicz
     [not found] <BAY4-F18tJyMmxsywxZ00005d1a@hotmail.com>
2003-11-06  9:16 ` Jerry Lundström
2003-11-06  9:33 Wee Teck Neo

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