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Re: [Xen-devel] Vif rate limiting

  • To: "Padala, Pradeep" <pradeep.padala@xxxxxx>, <xen-devel@xxxxxxxxxxxxxxxxxxx>
  • From: Keir Fraser <keir@xxxxxxxxxxxxx>
  • Date: Mon, 05 Mar 2007 16:48:34 +0000
  • Delivery-date: Mon, 05 Mar 2007 08:47:53 -0800
  • List-id: Xen developer discussion <xen-devel.lists.xensource.com>
  • Thread-index: AcdfObbXJry5atpKQZeip1ndOLCSrgAAZtY7AADqybAAAJh/MAAAXEfQAADTHGU=
  • Thread-topic: [Xen-devel] Vif rate limiting

With your domU running, if you 'xenstore-ls /local/domain/0 | grep rate' do
you see any output (i.e., has xend actually written a rate parameter into
xenstore for the netback driver to pick up)?

 -- Keir

On 5/3/07 16:34, "Padala, Pradeep" <pradeep.padala@xxxxxx> wrote:

>> This will rate-limit to 10 megabytes per second, not 10
>> megabits per second.
>> Is this what you meant? Otherwise you should use 'rate=10Mb/s'.
> Yes, I meant 10Mbytes/sec, since we have 1gbit interfaces. I have an
> apache server serving a 1G file, and I download the file from another
> machine, that is on the same enclosure. So, the network is very fast.
> I see an output like below. I posted a message earlier
> (http://lists.xensource.com/archives/html/xen-devel/2007-03/msg00026.htm
> l) describing similar problems with tc as well. I have tried this setup
> in a separate set of machines connected with 1gbit interfaces with same
> results. Any help is greatly apperciated.

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