Re: [Xen-users] poor network performance on domU

[James Wilson <jwilson@xxxxxxxxxxxxxxxxx>]

Is this something that has to be done each time the domU is rebooted?

Ralf Müller wrote:
> Am 22.03.2008 um 13:11 schrieb Arvid Ephraim Picciani:
> > On Saturday 22 March 2008 13:07:35 Teun Vink wrote:
> > >  Performance towards the
> > > domU is fine as well. Performance from the DomU's to the internet
> > > however is dramatic: speeds start at 2-3MB/sec but quickly drop to
> > > just a few KB/sec (!). Transfer of large files never end at all.
> > Then a helpfull soul on IRC gave me the hint to do
> > "ethtool -K eth0 tx off"  in the domUs. that helped dramaticly.
> For me you are this helpful soul. I had this problem for half a
> year now and no idea how to fix it. Network performance from a
> domU to external systems as been as low as 4-8kBytes/sec. Now this
> is fixed.
>
> Thank you very much.
>
> > looks like a bug in xen.
> Is this a known bug for Xen developers and are there any plans to
> fix this?
>
> Regards
> Ralf
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