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Re: [Qemu-devel] [RFC] Propose the Fast Virtual Disk (FVD) image format


From: Christoph Hellwig
Subject: Re: [Qemu-devel] [RFC] Propose the Fast Virtual Disk (FVD) image format that outperforms QCOW2 by 249%
Date: Wed, 19 Jan 2011 18:25:53 +0100
User-agent: Mutt/1.3.28i

On Wed, Jan 19, 2011 at 12:08:41PM -0500, Chunqiang Tang wrote:
> These  numbers are very interesting and I would like to read more. Are 
> your detailed results accessible on the Internet? Do you  have numbers on 
> the impact of using a large extent size (64-256MB) on thin provisioning 
> (since a guest file system's metadata are written first and are scattered 
> in the virtual disk)? 

It's still work in progress.  I will publish patches and numbers in a
few weeks.



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