From: "Catalin(ux aka Dino) BOIE" <util@deuroconsult.ro>
To: Jens Axboe <axboe@suse.de>
Cc: linux-kernel@vger.kernel.org, linux-ide@vger.kernel.org
Subject: Re: Strange vmstat output. 2.6.10 Scheduler?
Date: Tue, 1 Feb 2005 12:46:38 +0200 (EET) [thread overview]
Message-ID: <Pine.LNX.4.62.0502011243270.26221@webhosting.rdsbv.ro> (raw)
In-Reply-To: <20050201104214.GK4137@suse.de>
> Well then that is why, the writes are taking quite a while to reach the
> platter. Nothing is wrong, the drive is just slow :-)
>
> --
> Jens Axboe
I don't know what to say because sometimes works really good.
bi=20000.
I'm fighting with this problem for 1 month now and I realy tried to
resolve the problem.
Postgresql is 8.0.0.
iostat -x 1 shows:
extended device statistics
device mgr/s mgw/s r/s w/s kr/s kw/s size queue wait svc_t %b
hda 1 98 190.5 37.1 1161.4 542.5 7.5 2.3 20.4 3.6 81
extended device statistics
device mgr/s mgw/s r/s w/s kr/s kw/s size queue wait svc_t %b
hda 0 144 8.3 121.3 0.0 1081.5 8.3 0.0 0.0 7.8 100
extended device statistics
device mgr/s mgw/s r/s w/s kr/s kw/s size queue wait svc_t %b
hda 0 134 0.0 122.0 0.0 1016.0 8.3 0.0 0.0 8.2 100
extended device statistics
device mgr/s mgw/s r/s w/s kr/s kw/s size queue wait svc_t %b
hda 0 139 0.0 128.3 0.0 1074.7 8.4 0.0 0.0 7.9 100
extended device statistics
device mgr/s mgw/s r/s w/s kr/s kw/s size queue wait svc_t %b
hda 0 140 0.0 128.0 0.0 1072.0 8.4 0.0 0.0 7.8 100
extended device statistics
device mgr/s mgw/s r/s w/s kr/s kw/s size queue wait svc_t %b
hda 0 121 0.0 115.0 0.0 936.0 8.1 0.0 0.0 8.7 100
extended device statistics
device mgr/s mgw/s r/s w/s kr/s kw/s size queue wait svc_t %b
hda 0 140 0.0 123.0 0.0 1072.0 8.7 0.0 0.0 8.1 100
extended device statistics
device mgr/s mgw/s r/s w/s kr/s kw/s size queue wait svc_t %b
hda 0 142 0.0 129.0 0.0 1080.0 8.4 0.0 0.0 7.8 100
extended device statistics
device mgr/s mgw/s r/s w/s kr/s kw/s size queue wait svc_t %b
hda 0 141 0.0 129.3 0.0 1082.8 8.4 0.0 0.0 7.8 100
Thanks!
P.S. I tried also with cfq and see no improvement.
---
Catalin(ux aka Dino) BOIE
catab at deuroconsult.ro
http://kernel.umbrella.ro/
next prev parent reply other threads:[~2005-02-01 10:46 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-02-01 10:21 Catalin(ux aka Dino) BOIE
2005-02-01 10:26 ` Jens Axboe
2005-02-01 10:36 ` Catalin(ux aka Dino) BOIE
2005-02-01 10:42 ` Jens Axboe
2005-02-01 10:46 ` Catalin(ux aka Dino) BOIE [this message]
2005-02-01 10:49 ` Jens Axboe
2005-02-01 10:54 ` Catalin(ux aka Dino) BOIE
2005-02-01 10:59 ` Catalin(ux aka Dino) BOIE
2005-02-01 10:34 ` Massimo Cetra
2005-02-01 10:48 ` Catalin(ux aka Dino) BOIE
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