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The way I was thinking this would work would be to allow "flavor bundles" if you will, which would allow 2 or more axes in one flavor (essentially preserving the existing functionality).  Thus, if you needed NUMA, you could use those.

----- Original Message -----
> From: "Daniel P. Berrange" <berrange at redhat.com>
> To: "OpenStack Development Mailing List (not for usage questions)" <openstack-dev at lists.openstack.org>
> Sent: Thursday, May 8, 2014 5:08:32 AM
> Subject: Re: [openstack-dev] [Nova] [Heat] Custom Nova Flavor creation through Heat (pt.2)
> 
> On Mon, May 05, 2014 at 01:40:43PM -0400, Solly Ross wrote:
> > One thing that I was discussing with @jaypipes and @dansmith over
> > on IRC was the possibility of breaking flavors down into separate
> > components -- i.e have a disk flavor, a CPU flavor, and a RAM flavor.
> > This way, you still get the control of the size of your building blocks
> > (e.g. you could restrict RAM to only 2GB, 4GB, or 16GB), but you avoid
> > exponential flavor explosion by separating out the axes.
> 
> Splitting up flavours in that way doesn't really fly, especially
> for CPU & RAM, because the properties you want to configure for
> NUMA policies cross both CPU & RAM so cannot be sensibly separated.
> 
> 
> Regards,
> Daniel
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