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xen-devel
Re: [Xen-devel] RE: [Xen-users] How to: Improve Network Throughput of a
On 03/03/2010 00:50, "Mike Viau" <viaum@xxxxxxxxxxxxxxx> wrote:
> The openSUSE distribution supported Xen 3.4.1 tools, and had a 2.6.31.12
> xenified kernel. On this setup I experience identical network performance.
>
> ~1MB/s - w/ xen kernel
> ~4.5 MB/s - w/ non-xen kernel
How/what are you measuring? Both those numbers are crap for a gigabit NIC.
They're poor even for Fast Ethernet.
Huge performance differences between dom0 and native are unusual. But
normally you can max the card in both cases, with CPU headroom to spare.
-- Keir
> I use the e1000e kernel module driver for my Ethernet card.
>
> Is this typical Dom0 (or Xen Host) network performance with a xenified kernel
> or is just in my two setups that one encounters such a network performance hit
> to the Dom0?
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