From: Jamie Lokier <jamie@shareable.org>
To: Kevin Wolf <kwolf@redhat.com>
Cc: qemu-devel@nongnu.org, Avi Kivity <avi@redhat.com>,
Christoph Hellwig <hch@lst.de>
Subject: Re: [Qemu-devel] [PATCH] block-raw: Make cache=off default again
Date: Tue, 23 Jun 2009 11:30:19 +0100 [thread overview]
Message-ID: <20090623103019.GA14437@shareable.org> (raw)
In-Reply-To: <4A3F7E32.8090905@redhat.com>
Kevin Wolf wrote:
> What happens with virtio I still need to understand. Obviously, as soon
> as virtio decides to fall back to 4k requests, performance becomes
> terrible.
Does emulating a disk with 4k sector size instead of 512 bytes help this?
-- Jamie
next prev parent reply other threads:[~2009-06-23 10:30 UTC|newest]
Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-06-22 11:18 [Qemu-devel] [PATCH] block-raw: Make cache=off default again Kevin Wolf
2009-06-22 11:35 ` Christoph Hellwig
2009-06-22 11:44 ` Kevin Wolf
2009-06-22 11:55 ` Avi Kivity
2009-06-22 12:32 ` Kevin Wolf
2009-06-22 12:39 ` Avi Kivity
2009-06-22 12:50 ` Kevin Wolf
2009-06-23 10:30 ` Jamie Lokier [this message]
2009-06-23 11:46 ` Kevin Wolf
2009-06-24 21:23 ` Jamie Lokier
2009-06-25 7:31 ` Kevin Wolf
2009-06-22 13:04 ` Christoph Hellwig
2009-06-22 13:05 ` Kevin Wolf
2009-06-22 13:14 ` Avi Kivity
2009-06-22 13:08 ` Anthony Liguori
2009-06-22 13:20 ` Kevin Wolf
2009-06-22 14:00 ` Anthony Liguori
2009-06-22 13:23 ` Dor Laor
2009-06-22 13:29 ` Kevin Wolf
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