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From: "Alan D. Brunelle" <Alan.Brunelle@hp.com>
To: Dmitri Monakhov <dmonakhov@openvz.org>
Cc: linux-fsdevel@vger.kernel.org, jens.axboe@oracle.com
Subject: Re: write is faster whan seek?
Date: Wed, 11 Jun 2008 07:38:21 -0400	[thread overview]
Message-ID: <484FB92D.4090808@hp.com> (raw)
In-Reply-To: <m3r6b4zbdf.fsf@dmon-lap.sw.ru>

Dmitri Monakhov wrote:

Could it be that in the first case you will have merges, thus creating
fewer/larger I/O requests? Running iostat -x during the two runs, and
watching the output is a good first place to start.

Alan


  parent reply	other threads:[~2008-06-11 11:39 UTC|newest]

Thread overview: 11+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-06-11  7:20 write is faster whan seek? Dmitri Monakhov
2008-06-11  7:48 ` Jens Axboe
2008-06-11  8:11   ` Dmitri Monakhov
2008-06-11  8:26     ` Jens Axboe
2008-06-11  9:28       ` Dmitri Monakhov
2008-06-11  9:38         ` Jens Axboe
2008-06-11 11:38 ` Alan D. Brunelle [this message]
2008-06-11 11:49   ` Jens Axboe
2008-06-11 11:52     ` Alan D. Brunelle
2008-06-11 11:55       ` Jens Axboe
2008-06-16 12:14         ` Dmitri Monakhov

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