From: Sergey Spiridonov <spiridonov@gamic.com>
To: John Bradford <john@grabjohn.com>
Cc: linux-kernel@vger.kernel.org
Subject: Re: how to turn off, or to clear read cache?
Date: Wed, 20 Aug 2003 15:23:18 +0200 [thread overview]
Message-ID: <3F437646.4050107@gamic.com> (raw)
In-Reply-To: <200308201322.h7KDMQga000797@81-2-122-30.bradfords.org.uk>
John Bradford wrote:
>>I need to make some performance tests. I need to switch off or to clear
>>read cache, so that consequent reading of the same file will take the
>>same amount of time.
>>
>>Is there an easy way to do it, without rebuilding the kernel?
>
>
> Unmount and remount the filesystem.
Would
# mount -o remount
do the job?
I'm not able to unmount and remount.
--
Best regards, Sergey Spiridonov
next prev parent reply other threads:[~2003-08-20 13:23 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-08-20 13:22 how to turn off, or to clear read cache? John Bradford
2003-08-20 13:23 ` Sergey Spiridonov [this message]
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
[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
-- 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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