Re: [Xen-devel] Re: [Qemu-devel] [PATCH 0/7] merge some xen bits into qemu

[Stefan de Konink <skinkie@xxxxxxxxx>]

On Tue, 29 Jul 2008, Samuel Thibault wrote:

> Stefan de Konink, le Mon 28 Jul 2008 17:22:39 +0200, a écrit :
> > > This is moving in almost the opposite
> > > direction to Xen upstream is moving: we are moving qemu-dm into its
> > > own tiny domain, so that the qemu code doesn't need to run as a
> > > process in dom0; this has important security and scalability
> > > advantages.
> >
> > I think your userbase prefers the way Red Hat goes. If you do a reality
> > check on the current Python implementation and its memory usage, it is so
> > far from an ESX equivalent that I put my money on any Qemu userspace
> > version.
> >
> > So if you say this new domain will not take at least 128MB extra memory,
> > that could be interesting.
>
> Err...  Currently the default allocated memory is 32MB because there are
> still some bloats, but there is no reason why qemu-dm in its own domain
> should take much more than qemu-dm in dom0.  Currently it should be able
> to fit within 16MB.

And you don't count the 331MB virtual memory the process takes, and every
tapdisk that is created?

But I would love to see the 16MB version...

Stefan


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