[PVE-User] KVM virtio debian speed

Steffen Wagner mail at steffenwagner.com
Sat Feb 14 02:24:04 CET 2015


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Ah I forgot to mention.. when I use the e1000 Adapter I also get much
better speed as with the virtio adapter..
Thanks

Am 14.02.2015 um 02:22 schrieb Steffen Wagner:
>
> Hi,
>
> I have a question regarding virtio network speed used inside Debian KVM...
> I get max. half speed per "download" session on that VM with newest
> release and standard virtio drivers.. I can open two" download" sessions
> and both have the same speed as only one session...
>
> If I test under CentOS VM in same environment it works perfectly.. If I
> use Debian with OpenVZ it also works..
>
> Do you know what is wrong with that Debian minimal installation
> (3.2.0-4-amd64)? What do I have to change, that I get full speed out of
> the adapter?
>
> Thanks and kind regards,
> Steffen
>
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