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Re: [Qemu-devel] [PATCH] block-raw: Make cache=off default again


From: Jamie Lokier
Subject: Re: [Qemu-devel] [PATCH] block-raw: Make cache=off default again
Date: Tue, 23 Jun 2009 11:30:19 +0100
User-agent: Mutt/1.5.13 (2006-08-11)

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




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