libvirt users - May 2013 - Re: Fwd: Does Set Block IO tune take effect in the same session.

Hello Michal,

I am using the following code -

 virDomainSetInterfaceParameters(dom, "vnet0", networkParainfoPtr,
nparams,0);

before calling this i am assigning the following Inbound values

inbound.average = 10 (10 kbps)
inbound .peak = 10
inbound.burst = 10

Outbound values are zero (default)

after calling the API it return success and i am able to see the assigned
values in dumpxml of the VM ( so it is cross verified that the values are
set )

Now for testing inbound throttling i am using scp command -> i am copying
400MB file from host machine to VM.
But what i am onserving is it taking the bandwidth more than 10 kbps ( even
it reaches to Mbps sometime)


Regards,
Vikrant


On Mon, May 27, 2013 at 1:59 PM, Michal Privoznik
<mprivozn@redhat.com>wrote:
> On 27.05.2013 10:25, vikrant verma wrote:
> > Hello Michal,
> >
> > Thanks for the reply.
> >
> > I am using libvirt version 1.0.2 , so how should i proceed. Do i need
> > this patch?
> >
>
> You already are using it. So I wonder what is the actual bandwidth you
> are using. Can you share the setting and actual bandwidth (scp is just
> fine - but consider copying bigger files - e.g. 700MB iso image).
>
> Michal
>

On 27.05.2013 12:36, vikrant verma wrote:
> Hello Michal,
> 
> I am using the following code - 
> 
>  virDomainSetInterfaceParameters(dom, "vnet0",
networkParainfoPtr,
> nparams,0);
> 
> before calling this i am assigning the following Inbound values
> 
> inbound.average = 10 (10 kbps)
> inbound .peak = 10
> inbound.burst = 10
I suspect this way too low burst value. Try leaving the limit and it
should work correctly.

Michal