From: Andrea Arcangeli <andrea@suse.de>
To: Andrew Morton <akpm@osdl.org>
Cc: nickpiggin@yahoo.com.au, axboe@suse.de, linux-kernel@vger.kernel.org
Subject: Re: Time sliced CFQ io scheduler
Date: Wed, 8 Dec 2004 03:22:12 +0100 [thread overview]
Message-ID: <20041208022212.GI16322@dualathlon.random> (raw)
In-Reply-To: <20041207181137.2998369c.akpm@osdl.org>
On Tue, Dec 07, 2004 at 06:11:37PM -0800, Andrew Morton wrote:
> Andrea Arcangeli <andrea@suse.de> wrote:
> >
> > One hidden side effect of "as" is that by writing so slowly (and
> > 64KiB/sec really is slow), it increases the time it will take for a
> > dirty page to be flushed to disk
>
> The 64k/sec only happens for direct-io, and those pages aren't dirty.
I agree my above claim was wrong, thanks for correcting it.
next prev parent reply other threads:[~2004-12-08 2:22 UTC|newest]
Thread overview: 66+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-12-02 13:04 Time sliced CFQ io scheduler Jens Axboe
2004-12-02 13:48 ` Jens Axboe
2004-12-02 19:48 ` Andrew Morton
2004-12-02 19:52 ` Jens Axboe
2004-12-02 20:19 ` Andrew Morton
2004-12-02 20:19 ` Jens Axboe
2004-12-02 20:34 ` Andrew Morton
2004-12-02 20:37 ` Jens Axboe
2004-12-07 23:11 ` Nick Piggin
2004-12-02 22:18 ` Prakash K. Cheemplavam
2004-12-03 7:01 ` Jens Axboe
2004-12-03 9:12 ` Prakash K. Cheemplavam
2004-12-03 9:18 ` Jens Axboe
2004-12-03 9:35 ` Prakash K. Cheemplavam
2004-12-03 9:43 ` Jens Axboe
2004-12-03 9:26 ` Andrew Morton
2004-12-03 9:34 ` Prakash K. Cheemplavam
2004-12-03 9:39 ` Jens Axboe
2004-12-03 9:54 ` Prakash K. Cheemplavam
[not found] ` <41B03722.5090001@gmx.de>
2004-12-03 10:31 ` Jens Axboe
2004-12-03 10:38 ` Jens Axboe
2004-12-03 10:45 ` Prakash K. Cheemplavam
2004-12-03 10:48 ` Jens Axboe
2004-12-03 11:27 ` Prakash K. Cheemplavam
2004-12-03 11:29 ` Jens Axboe
2004-12-03 11:52 ` Prakash K. Cheemplavam
2004-12-08 0:37 ` Andrea Arcangeli
2004-12-08 0:54 ` Nick Piggin
2004-12-08 1:37 ` Andrea Arcangeli
2004-12-08 1:47 ` Nick Piggin
2004-12-08 2:09 ` Andrea Arcangeli
2004-12-08 2:11 ` Andrew Morton
2004-12-08 2:22 ` Andrea Arcangeli [this message]
2004-12-08 6:52 ` Jens Axboe
2004-12-08 2:00 ` Andrew Morton
2004-12-08 2:08 ` Andrew Morton
2004-12-08 6:55 ` Jens Axboe
2004-12-08 2:20 ` Andrea Arcangeli
2004-12-08 2:25 ` Andrew Morton
2004-12-08 2:33 ` Andrea Arcangeli
2004-12-08 2:33 ` Nick Piggin
2004-12-08 2:51 ` Andrea Arcangeli
2004-12-08 3:02 ` Nick Piggin
2004-12-08 6:58 ` Jens Axboe
2004-12-08 7:14 ` Nick Piggin
2004-12-08 7:20 ` Jens Axboe
2004-12-08 7:29 ` Nick Piggin
2004-12-08 7:32 ` Jens Axboe
2004-12-08 7:30 ` Andrew Morton
2004-12-08 7:36 ` Jens Axboe
2004-12-08 13:48 ` Jens Axboe
2004-12-08 6:55 ` Jens Axboe
2004-12-08 7:08 ` Nick Piggin
2004-12-08 7:11 ` Jens Axboe
2004-12-08 7:19 ` Nick Piggin
2004-12-08 7:26 ` Jens Axboe
2004-12-08 9:35 ` Jens Axboe
2004-12-08 10:08 ` Jens Axboe
2004-12-08 12:47 ` Jens Axboe
2004-12-08 10:52 ` Helge Hafting
2004-12-08 10:49 ` Jens Axboe
2004-12-08 6:49 ` Jens Axboe
2004-12-02 14:28 ` Giuliano Pochini
2004-12-02 14:41 ` Jens Axboe
2004-12-04 13:05 ` Giuliano Pochini
-- strict thread matches above, loose matches on Subject: below --
2004-12-03 20:52 Chuck Ebbert
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=20041208022212.GI16322@dualathlon.random \
--to=andrea@suse.de \
--cc=akpm@osdl.org \
--cc=axboe@suse.de \
--cc=linux-kernel@vger.kernel.org \
--cc=nickpiggin@yahoo.com.au \
/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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.