[libvirt] problem with outbound limiting

[Upendra Moturi]

small correction
it is not mbps ,it is MBps

On Wed, Aug 10, 2011 at 12:06 PM, Upendra Moturi <upendra.m at hexagrid.com>wrote:

> Hi
>
> I am using 0.9.4 version of libvirt and want to limit bandwidth.
> I installed libvirt on ubuntu 11.04 using libvirt source.
>
> For this i am using the QOS configuration
>
> <devices>
>     <interface type='network'>
>
>       <source network='default'/>
>       <target dev='vnet0'/>
>       *<bandwidth>
>         <inbound average='1000' peak='5000' burst='1024'/>
>         <outbound average='128' peak='256' burst='256'/>
>
>       </bandwidth>*
>     </interface>
>
>
> Here the inbound limit is working properly but the outbound is limiting but
> not with values which is give
>
> Here are the scenarios i tested and the results
>
> when i gave average as 2048 --- it is limiting with 600 -- 700 kb
>
> average                           result
> =====================
> 2048   (2mpbs)                  600-700 kb
> 4096   (4mbps)                  1 MB/s
> 10240 (10mbps)                2-3 MB/s
> 12288 (12 mbps)               3-4 MB/s
> 20480 (20 mbps)               16-18 MB/s
>
> Is this the expected behavior or some thing is missing
> If this is the expected behavior ,then in what ratio it is limiting.
>
> Please help me
> Thanks in advance.
>
> --
> Thanks and Regards,
> Upendra.M
>



-- 
Thanks and Regards,
Upendra.M
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