[Bug 723983] Re: virtio-net performance in 10Gbs lan

[Serge Hallyn]

Thanks for reporting this bug and helping to make Ubuntu better.

Unfortunately your reference links got abbreviated so I was unable to
follow them.

Could you please provide a little more information about your particular
setup:

1. Which version of Ubuntu are you on?  I'm wondering whether the KVM
0.14-rc1 in natty still has this problem.  If you're not on natty, I'll
ask you to try to reproduce with the latest qemu and kernels (separately
and together) so we can try to nail this down.

2. Can you give the full command being executed in both cases (i.e. ps
-ef or /proc/$pid/cmdline output)?  Since presumably this is being
spawned through two layers (by eucalyptus through libvirt), there could
be inadvertant bad interactions between some of the options.

3. I'll wait to see output of 2, but will probably want to see the
results with the shortest possible hand-made kvm command lines.


** Changed in: qemu-kvm (Ubuntu)
       Status: New => Incomplete

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https://bugs.launchpad.net/bugs/723983

Title:
  virtio-net performance in 10Gbs lan