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Subject: Re: Where's all my memory going?
To: matt@bodgit-n-scarper.com (Matt Dainty)
Date: Wed, 9 Jan 2002 17:47:44 +0000 (GMT)
Cc: linux-kernel@vger.kernel.org
In-Reply-To: <20020109173633.A26559@mould.bodgit-n-scarper.com> from "Matt Dainty" at Jan 09, 2002 05:36:33 PM
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From: Alan Cox <alan@lxorguk.ukuu.org.uk>
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> However, over time, (30-45 minutes), more and more memory seems to just
> disappear from the system until it looks like this, (note that swap is
> hardly ever touched):

I don't see any disappearing memory. Remember that Linux will intentionally
keep memory filled with cache pages when it is possible. The rest I can't
help with - Im not familiar enough with qmail to know what limits it places
internally or where the points it and/or the kernel might interact to
cause bottlenecks are 
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