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
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=3F437646.4050107@gamic.com \
--to=spiridonov@gamic.com \
--cc=john@grabjohn.com \
--cc=linux-kernel@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox