Re: [Qemu-devel] Block I/O optimizations

[Loic Dachary <loic@dachary.org>]

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Hi Stefan,

This is excellent ! Thank you very much :-)

Cheers

On 03/13/2013 04:21 PM, Stefan Hajnoczi wrote:
> On Thu, Feb 21, 2013 at 9:11 AM, Stefan Hajnoczi <stefanha@gmail.com> wrote:
>> On Mon, Feb 18, 2013 at 7:19 PM, Loic Dachary <loic@dachary.org> wrote:
>>> I recently tried to figure out the best and easiest ways to increase block I/O performances with qemu. Not being a qemu expert, I expected to find a few optimization tricks. Much to my surprise, it appears that there are many significant improvements being worked on. This is excellent news :-)
>>>
>>> However, I'm not sure I understand how they all fit together. It's probably quite obvious from the developer point of view but I would very much appreciate an overview of how dataplane, vhost-blk, ELVIS etc. should be used or developed to maximize I/O performances. Are there documents I should read ? If not, would someone be willing to share bits of wisdom ?
>>
>> Hi Loic,
>> There will be more information on dataplane shortly.  I'll write up a
>> blog post and share the link with you.
> 
> Hi Loic,
> Here is an overview of virtio-blk data plane and how to use it:
> http://blog.vmsplice.net/2013/03/new-in-qemu-14-high-performance-virtio.html
> 
> Stefan
> 
> 

-- 
Loïc Dachary, Artisan Logiciel Libre


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