linux-kernel - Re: io-scheduler tuning for better read/write ratio

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Message-ID: <4A37CB2A.6010209@davidnewall.com>
Date:	Wed, 17 Jun 2009 02:11:14 +0930
From:	David Newall <davidn@...idnewall.com>
To:	Ralf Gross <rg@...-softwaretechnik.com>
CC:	linux-kernel@...r.kernel.org
Subject: Re: io-scheduler tuning for better read/write ratio

Ralf Gross wrote:
> write throughput is much higher than the read throughput (40 MB/s
> read, 90 MB/s write).

Perhaps I've misunderstood, but isn't that common?  Reads have to come
from disk, whereas writes get cached by the drive.
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