From: "Ihar 'Philips' Filipau" <filia@softhome.net>
To: Sergey Spiridonov <spiridonov@gamic.com>
Cc: Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: how to turn off, or to clear read cache?
Date: Thu, 21 Aug 2003 12:01:10 +0200 [thread overview]
Message-ID: <3F449866.1070406@softhome.net> (raw)
In-Reply-To: <mCi4.5Kq.3@gated-at.bofh.it>
Sergey Spiridonov wrote:
> Denis Vlasenko wrote:
>
>> umount/mount cycle will do it, as well as intentional OOMing the box
>> (from non-root account please;)
>
>
> OOMing doesn't help also, since kernel starts to swap and I have
> performance degradation after. Swithching off the swap is dangerous in
> conjunction with OOMing.
>
indirectly, patch mentioned in this mail can help:
http://marc.theaimsgroup.com/?l=linux-kernel&m=106142721228497&w=2
it provides a way to limit read cache - so it is easier to flush it.
P.S. will love to see something like this in 2.6. And for 2.4 too.
next parent reply other threads:[~2003-08-21 17:06 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <mzNF.3z3.47@gated-at.bofh.it>
[not found] ` <mB2M.4Jv.35@gated-at.bofh.it>
[not found] ` <mCi4.5Kq.3@gated-at.bofh.it>
2003-08-21 10:01 ` Ihar 'Philips' Filipau [this message]
2003-08-20 13:22 how to turn off, or to clear read cache? John Bradford
2003-08-20 13:23 ` Sergey Spiridonov
2003-08-20 13:31 ` Måns Rullgård
2003-08-20 16:49 ` Luciano Miguel Ferreira Rocha
2003-08-20 16:57 ` Måns Rullgård
2003-08-20 17:17 ` Jeff Garzik
2003-08-20 17:28 ` Måns Rullgård
-- strict thread matches above, loose matches on Subject: below --
2003-08-20 11:52 Sergey Spiridonov
2003-08-20 12:30 ` Måns Rullgård
2003-08-20 13:11 ` Denis Vlasenko
2003-08-20 14:30 ` Sergey Spiridonov
2003-08-20 22:46 ` Jamie Lokier
2003-08-20 22:52 ` Mike Fedyk
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