[plug] Windows guest VM's

[Kevin Shackleton]

While it's handy to know that one client Windows OS works better than
another on a Linux VM server, what is the technical reason for this
difference and does this difference extend to different incarnations of
Linux VM clients running in the same environment?  What's the best bang per
buck?

Thanks,

Kevin.

On 30 January 2013 14:22, William Kenworthy <billk at iinet.net.au> wrote:

> On 29/01/13 15:34, Brad Campbell wrote:
> > G'day all,
> >
> > I often have a need to fire up a Windows VM for work (Autocad, Protel,
> > Coolpack, etc).
> >
> > For years I've been using a base XP machine because it was small and
> > snappy. Recently though I've been using AutoCAD for more than just
> > viewing and printing drawings and it has not been fun at all.
> >
> > For a test I set up a 64 bit Windows 7 VM and installed the 64 bit
> > Autocad in that. The performance difference between the XP and the Win 7
> > VM is night and day. I am astonished at how much more responsive the Win
> > 7 VM is. Then again, it uses about 4 times the CPU time compared to an
> > XP VM, but for interactive foreground stuff it is *much* nicer.
> >
> > If you can tolerate the extra CPU cycles and the much increased disk
> > footprint, Win 7 is a better bet than XP for a VM guest.
> >
> > Spice with the qxl driver is a nice upgrade from VNC too (performance
> > and arbitrary auto-sizing resolution support). It even outperforms an
> > rdp session straight to the windows VM on a local network.
> >
> > Just an observation that I thought was worth mentioning.
> > _______________________________________________
> > PLUG discussion list: plug at plug.org.au
> > http://lists.plug.org.au/mailman/listinfo/plug
> > Committee e-mail: committee at plug.org.au
> > PLUG Membership: http://www.plug.org.au/membership
>
> I'll second that - went from win2k to win7 and its a lot better, to the
> point I was able to cut the memory back to 512k (severely constrained
> host!) with excellent performance, esp. over rdesktop.
>
> Now I am importing the same 32bit qemu image into libvirt on ceph and am
> back to slow as a slug so I'll have to do some tuning or reinstall.
>
> BillK
>
> _______________________________________________
> PLUG discussion list: plug at plug.org.au
> http://lists.plug.org.au/mailman/listinfo/plug
> Committee e-mail: committee at plug.org.au
> PLUG Membership: http://www.plug.org.au/membership
>
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