From: Jens Axboe <jaxboe@fusionio.com>
To: "N. Harake" <hussein@cscs.ch>
Cc: "fio@vger.kernel.org" <fio@vger.kernel.org>
Subject: Re: memory caching
Date: Tue, 15 Mar 2011 21:20:02 +0100 [thread overview]
Message-ID: <4D7FC9F2.9060300@fusionio.com> (raw)
In-Reply-To: <C9A4E18A.10660%hussein@cscs.ch>
On 2011-03-15 09:27, N. Harake wrote:
>
> I would like to disable completely the caching in memory, trying to
> measure real throughput read/write and iops on filesystem (not raw
> access). Other than direct=1 is there any flag I could use to obtain
> such complete bypass caching?
direct=1 is the one to use, this controls whether you go through the
page cache or not.
--
Jens Axboe
prev parent reply other threads:[~2011-03-15 20:20 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-03-15 8:27 memory caching N. Harake
2011-03-15 12:36 ` N. Harake
2011-03-15 20:28 ` Jens Axboe
2011-03-15 20:46 ` N. Harake
2011-03-15 20:55 ` Jens Axboe
2011-03-15 20:54 ` N. Harake
2011-03-15 20:56 ` Jens Axboe
2011-03-15 20:20 ` Jens Axboe [this message]
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