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Re: [Qemu-devel] Block I/O optimizations
From: |
Loic Dachary |
Subject: |
Re: [Qemu-devel] Block I/O optimizations |
Date: |
Fri, 29 Mar 2013 14:33:23 +0100 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:10.0.11) Gecko/20121122 Icedove/10.0.11 |
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 <address@hidden> wrote:
>> On Mon, Feb 18, 2013 at 7:19 PM, Loic Dachary <address@hidden> 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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