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xen-users
[Xen-users] Re: GPLPV drivers problem
James Harper <james.harper <at> bendigoit.com.au> writes:
>
> >
> > >
> > > I haven't tested with XP in a little while. Make sure you _disable_
> the
> > > firewall _service_ on the XP DomU (it is not sufficient to just
> disable
> > > the firewall in network config - the firewall service itself has to
> be
> > > disabled). That may just be an sp2 thing... I'm not sure if it is
> > > required with sp2 but it is something that you can verify easily. If
> you
> > > need the firewall service enabled, let me know and we'll see if we
> can
> > > figure something else out.
> > >
> > > Do you have a copy of 2003 (must be sp2) you can test with to draw
> some
> > > comparisons?
> > >
> > > James
> > >
> >
> > Thank you, after disabling the firewall service i can get 250 Mb/s .
> >
> > the cpu on the domU is still high
> > ( win xp reports 100% usage during the transfers )
> >
> > i do not have a copy of win2003 so i can not test it.
> >
>
> Where are you testing from and too?
>
> James
>
I run iperf as a client on the domu and as a server on the dom0.
i also tried an ftp transfer ( ftp server on the dom0) ( lvm lv as volumes to
get better disk performances )
the transfer rate was 140Mb/s max ( second run ) but the cpu was 100% loaded (
60% for ftp.exe and 30 % system )
it seems that the high cpu load during network utilization is the main limiting
factor.
i disabled ms/qos with no luck
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