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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/


  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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