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 <dhol...@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 <bsap...@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? > > > > > > -- Beau Sapach *System Administrator | Information Technology Services | University of Alberta Libraries* *Phone: 780.492.4181 | Email: beau.sap...@ualberta.ca <beau.sap...@ualberta.ca>*
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