[ovirt-users] 10Gb Networking with OVN

[Dominik Holler]

Thanks for the hint, we are going to check this.
You are welcome to share if you have any hints about a possible
bottleneck in you scenario.

On Mon, 11 Dec 2017 11:21:58 -0700
Beau Sapach <bsapach at ualberta.ca> wrote:

> Yes, we've done some testing.  With an oVirt VM running on a host
> using 10Gb ethernet copying data to a physical machine also using
> 10Gb ethernet we don't see network utilization exceed 800Mbits or
> so.  A bit of research online yields some experimentation done by
> others who used SR-IOV to achieve 10Gb from a VM.
> 
> I'm not sure where the bottleneck is, possibly in the VirtIO driver.
> 
> Beau
> 
> On Mon, Dec 11, 2017 at 1:23 AM, Dominik Holler <dholler at redhat.com>
> wrote:
> 
> > Is there an indication that the VMs will not take advantage of 10Gb?
> >
> > On Thu, 7 Dec 2017 15:27:25 -0700
> > Beau Sapach <bsapach at ualberta.ca> wrote:
> >  
> > > Hello everyone,
> > >
> > > I see here:
> > > https://www.ovirt.org/blog/2017/09/introducing-ovirt-4.2.0/ that
> > > version 4.2 will have OVN support.  Does anyone know if this will
> > > allow VMs to take advantage of 10Gb networking without needing
> > > SR-IOV?
> > >
> > >  
> >
> >  
> 
>