<div dir="ltr"><br><div class="gmail_extra"><br><div class="gmail_quote">On Mon, Dec 11, 2017 at 8:21 PM, Beau Sapach <span dir="ltr"><<a href="mailto:bsapach@ualberta.ca" target="_blank">bsapach@ualberta.ca</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr">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.</div></blockquote><div><br></div><div>Are you using multiple TCP streams, jumbo frames, threads, etc.?</div><div>Y.</div><div><br></div><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div><br></div><div>I'm not sure where the bottleneck is, possibly in the VirtIO driver.</div><span class="HOEnZb"><font color="#888888"><div><br></div><div>Beau</div></font></span></div><div class="gmail_extra"><span class=""><br><div class="gmail_quote">On Mon, Dec 11, 2017 at 1:23 AM, Dominik Holler <span dir="ltr"><<a href="mailto:dholler@redhat.com" target="_blank">dholler@redhat.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">Is there an indication that the VMs will not take advantage of 10Gb?<br>
<div class="m_-2058962238978538132HOEnZb"><div class="m_-2058962238978538132h5"><br>
On Thu, 7 Dec 2017 15:27:25 -0700<br>
Beau Sapach <<a href="mailto:bsapach@ualberta.ca" target="_blank">bsapach@ualberta.ca</a>> wrote:<br>
<br>
> Hello everyone,<br>
><br>
> I see here:<br>
> <a href="https://www.ovirt.org/blog/2017/09/introducing-ovirt-4.2.0/" rel="noreferrer" target="_blank">https://www.ovirt.org/blog/201<wbr>7/09/introducing-ovirt-4.2.0/</a> that<br>
> version 4.2 will have OVN support. Does anyone know if this will<br>
> allow VMs to take advantage of 10Gb networking without needing SR-IOV?<br>
><br>
><br>
<br>
</div></div></blockquote></div><br><br clear="all"><div><br></div></span><span class="">-- <br><div class="m_-2058962238978538132gmail_signature" data-smartmail="gmail_signature"><div dir="ltr"><div><font size="1" face="arial, helvetica, sans-serif">Beau Sapach</font></div><div><font size="1" face="arial, helvetica, sans-serif" color="#999999"><b>System Administrator | Information Technology Services | University of Alberta Libraries</b></font></div><div><span style="font-family:arial,helvetica,sans-serif;font-size:x-small;background-color:rgb(255,255,255)"><font color="#999999"><b>Phone: <a href="tel:(780)%20492-4181" value="+17804924181" target="_blank">780.492.4181</a> | Email: <a href="mailto:Beau.Sapach@ualberta.ca" target="_blank">Beau.Sapach@ualberta.ca</a></b></font></span></div><div><br></div></div></div>
</span></div>
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