From: Michael Shigorin <mike@osdn.org.ua>
To: ALT Linux Community general discussions <community@lists.altlinux.org>
Subject: Re: [Comm] Запись на жесткий диск - ядро 2.6 хуже, чем 2.4 ???
Date: Sun, 7 Nov 2010 00:50:40 +0200
Message-ID: <20101106225040.GL21902@osdn.org.ua> (raw)
In-Reply-To: <4CD5CC3E.4060309@kalina.in.ua>
On Sat, Nov 06, 2010 at 11:44:30PM +0200, Yura Kalinichenko wrote:
> >Погоняй разные io scheduler'ы, меня устроил deadline.
> Да, конечно. А ты BFQ не пробовал часом ?
Не-а, можешь led@ спросить, у него есть такие (не помню, .27 или .31).
> >hdparm -a 1024 /dev/sd[a-h] >/dev/null
> >hdparm -a 4096 /dev/md[04] >/dev/null
> Как может read-ahead влиять на производительность записи ?
Снижением seek contention, если ляжет на характер чтения.
--
---- WBR, Michael Shigorin <mike@altlinux.ru>
------ Linux.Kiev http://www.linux.kiev.ua/
next prev parent reply other threads:[~2010-11-06 22:50 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-11-06 16:47 Yura Kalinichenko
2010-11-06 18:19 ` vx 8400
2010-11-06 18:44 ` Yura Kalinichenko
2010-11-06 19:12 ` vx 8400
2010-11-06 21:35 ` Yura Kalinichenko
2010-11-07 9:07 ` vx 8400
2010-11-07 16:25 ` Yura Kalinichenko
2010-11-07 16:38 ` vx 8400
2010-11-07 17:17 ` Yura Kalinichenko
2010-11-07 17:47 ` vx 8400
2010-11-07 17:58 ` vx 8400
2010-11-06 20:03 ` Michael Shigorin
2010-11-06 20:02 ` Michael Shigorin
2010-11-06 21:44 ` Yura Kalinichenko
2010-11-06 22:50 ` Michael Shigorin [this message]
2010-12-17 9:37 ` Yura Kalinichenko
2010-12-17 10:07 ` vx 8400
2010-12-17 21:53 ` Yura Kalinichenko
2010-12-17 13:33 ` Damir
2010-12-17 23:06 ` Yura Kalinichenko
2010-12-17 16:01 ` Michael Shigorin
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