From: Ivan Fedorov <ns@altlinux.org>
To: sisyphus@lists.altlinux.org
Subject: Re: [sisyphus] ядро std-def и io scheduler
Date: Sat, 08 Jan 2011 23:01:44 +0300
Message-ID: <m362tz17x3.fsf@t510.oxyum.localnet> (raw)
In-Reply-To: <AANLkTi=cRMe1=5P_xOwKK0kHcgDXBVFaVk+w2dwK4Y1Y@mail.gmail.com>
[-- Attachment #1: Type: text/plain, Size: 1018 bytes --]
Anton Chernyshov <flammifer-aPYA7nAdAYY@public.gmane.org> writes:
> [anton@rivendale ~]$ dmesg | grep sched
> [ 1.201885] io scheduler noop registered (default)
> [ 1.201902] io scheduler cfq registered
> [anton@rivendale ~]$ uname -a
> Linux rivendale 2.6.35-std-def-alt9 #1 SMP Thu Dec 9 08:52:44 UTC 2010
> x86_64 GNU/Linux
> [anton@rivendale ~]$ cat /sys/block/sda/queue/scheduler
> [noop] cfq
>
> В использовании noop scheduler по умолчанию есть какой-то сокровенный
> смысл или это просто бага?
Насколько я знаю, при работающем NCQ у SATA-дисков noop лучше, ибо не
пытается делать лишнюю работу.
Но возможно это верно только для одного диска, хотя точно сказать не
могу.
PS:
$ grep NCQ /var/log/dmesg
[ 1.308504] ata1.00: 976773168 sectors, multi 16: LBA48 NCQ (depth 31/32), AA
[-- Attachment #2: Type: application/pgp-signature, Size: 197 bytes --]
next prev parent reply other threads:[~2011-01-08 20:01 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-01-05 8:20 Anton Chernyshov
2011-01-05 9:04 ` Michael Shigorin
2011-01-05 9:10 ` Anton Chernyshov
2011-01-05 9:12 ` Ildar Mulyukov
2011-01-05 10:48 ` Michael Shigorin
2011-01-05 10:11 ` Денис Смирнов
2011-01-05 10:45 ` Michael Shigorin
2011-01-05 11:48 ` Aeliya Grevnyov
2011-01-05 12:40 ` Valery V. Inozemtsev
2011-01-05 13:13 ` Anton Chernyshov
2011-01-05 13:44 ` Valery V. Inozemtsev
2011-01-05 15:33 ` Anton Chernyshov
2011-01-05 15:47 ` Valery V. Inozemtsev
2011-01-05 21:50 ` Michael Pozhidaev
2011-01-06 5:54 ` [sisyphus] "официальное" ядро Ildar Mulyukov
2011-01-06 8:11 ` Anton Chernyshov
2011-01-06 12:00 ` Slava Semushin
2011-01-06 12:50 ` diver
2011-01-06 13:14 ` [sisyphus] " официальное Valery Pipin
2011-01-06 13:19 ` diver
2011-01-06 13:31 ` Valery Pipin
2011-01-06 20:27 ` Vitaly Kuznetsov
2011-01-06 12:55 ` [sisyphus] сравнительные списки ядра-модули Michael Shigorin
2011-01-06 12:53 ` Денис Смирнов
2011-01-06 13:48 ` Michael Shigorin
2011-01-06 15:37 ` Денис Смирнов
2011-01-12 11:32 ` Anton V. Boyarshinov
2011-01-06 12:59 ` [sisyphus] ядро std-def и io scheduler Michael Shigorin
2011-01-06 13:46 ` Michael Pozhidaev
2011-01-06 14:00 ` Michael Shigorin
2011-01-06 14:17 ` Andrii Dobrovol`s`kii
2011-01-06 16:49 ` Ildar Mulyukov
2011-01-06 12:57 ` [sisyphus] [JT] не надо так Michael Shigorin
2011-01-08 20:01 ` Ivan Fedorov [this message]
2011-01-08 20:43 ` [sisyphus] ядро std-def и io scheduler Aeliya Grevnyov
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=m362tz17x3.fsf@t510.oxyum.localnet \
--to=ns@altlinux.org \
--cc=sisyphus@lists.altlinux.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
ALT Linux Sisyphus discussions
This inbox may be cloned and mirrored by anyone:
git clone --mirror http://lore.altlinux.org/sisyphus/0 sisyphus/git/0.git
# If you have public-inbox 1.1+ installed, you may
# initialize and index your mirror using the following commands:
public-inbox-init -V2 sisyphus sisyphus/ http://lore.altlinux.org/sisyphus \
sisyphus@altlinux.ru sisyphus@altlinux.org sisyphus@lists.altlinux.org sisyphus@lists.altlinux.ru sisyphus@lists.altlinux.com sisyphus@linuxteam.iplabs.ru sisyphus@list.linux-os.ru
public-inbox-index sisyphus
Example config snippet for mirrors.
Newsgroup available over NNTP:
nntp://lore.altlinux.org/org.altlinux.lists.sisyphus
AGPL code for this site: git clone https://public-inbox.org/public-inbox.git