linux-kernel - Re: Slow, persistent memory leak in 2.6.20

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Message-ID: <Pine.LNX.4.64.0708261752260.15614@fbirervta.pbzchgretzou.qr>
Date:	Sun, 26 Aug 2007 17:52:45 +0200 (CEST)
From:	Jan Engelhardt <jengelh@...putergmbh.de>
To:	Fred Tyler <fredty8@...il.com>
cc:	linux-kernel@...r.kernel.org
Subject: Re: Slow, persistent memory leak in 2.6.20


On Aug 26 2007 11:51, Fred Tyler wrote:
>On 8/26/07, Fred Tyler <fredty8@...il.com> wrote:
>> I think I've come across a memory leak in 2.6.20. I've upgraded to the
>> latest 2.6.20.17, but it didn't seem to help.
>
>Sorry to keep replying to my own post, but further investigation
>suggests that the memory losses may be occurring at times of heavy
>filesystem access. The machines in question run rsyncs of hundreds of
>thousands of files every few hours, and I'm starting to think that the
>memory loss occurs during these times. I don't know how I'd go about
>proving this though...

Please rule out filesystem caches by issuing
	sync;
	echo 3 >/proc/sys/vm/drop_caches;



	Jan
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