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Re: [Xen-users] Xen 3.x : support for weighted device scheduling ?

To: Saransh Mittal <saransh@xxxxxxxxxxxxxx>
Subject: Re: [Xen-users] Xen 3.x : support for weighted device scheduling ?
From: Alex Thorsten <dermannda@xxxxxx>
Date: Wed, 11 Jun 2008 13:18:28 +0300
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Hi Saransh,

please bear in mind that the "rate" limiting only works for outbound traffic.
-> http://www.nabble.com/Network-bandwidth-control-in-Xen-td17421556.html

i have set up some simple traffic shaping scripts, that do work dynamically, limit inbound/outbound traffic and guarantee some bandwidth for a particular IP. If you're interested, i 'd be happy to mail them to you.

Cheers,
Alex

Saransh Mittal schrieb:
Thanks Alex & Todd, btw can this value be changed dynamically (without a reboot of the VM).
Todd Deshane wrote:
Hi Saransh,

On Mon, Jun 9, 2008 at 10:49 AM, Saransh Mittal <saransh@xxxxxxxxxxxxxx> wrote:
Hi,
Is there a way to give different network bandwidth caps to virtual machines? Or to generalize it further , is there support for weighted device scheduling like there is for cpu scheduling? Please help me regarding this, the help will be greatly appreciated.

Thanks and Regards,
Saransh.


For network limiting you can use the rate= option in the vif parameter
an example:

vif = ['ip=15.25.117.44', 'rate=10MB/s']


I can't think of a disk one, but that doesn't mean that it doesn't exist...

Cheers,
Todd


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