On Mon, Dec 11, 2017 at 8:21 PM, Beau Sapach <bsapach@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.
Are you using multiple TCP streams, jumbo frames, threads, etc.? Y.
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@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@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 <(780)%20492-4181> | Email: Beau.Sapach@ualberta.ca <Beau.Sapach@ualberta.ca>*
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