[sheepdog-users] reply: How to improve sheepdog's IO Performance ofthe network

飞来虫 239965 at qq.com
Sat Jan 5 07:49:55 CET 2013

Thank you very much for your reply,I am sorry for the misleading expression.  here I mean the writing speed of the disk, not the speed of the virutal network card. 

------------------ 原始邮件 ------------------
发件人: "Liu Yuan"<namei.unix at gmail.com>;
发送时间: 2013年1月5日(星期六) 中午12:25
收件人: "飞来虫"<239965 at qq.com>; 
抄送: "sheepdog-users"<sheepdog-users at lists.wpkg.org>; 
主题: Re: [sheepdog-users] How to improve sheepdog's IO Performance ofthe network

On 01/05/2013 11:22 AM, 飞来虫 wrote:
> I built a testing environment with three nodes and connected them with
> gigabit. By using iperf, the throughput speed reached 900Mbps.However,
> it just reached 300Mbps while importing image by qemu-img. So I tried
> windows2008 and virtio driver on qemu-kvm, the write speed only reached
> 300Mbps. My question is what can I do to improve the network use ratio
> of the sheepdog?

Use enable vhost_net, I think you can get much better net performance.

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