On 8/18/2018 10:09 PM, Matt Riedemann wrote:

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This sounds promising and there seems to be a feasible way to do this, but it also sounds like a decent amount of effort and would be a new feature in a future release rather than a bugfix - am I correct in that assessment?

Yes I'd say it's a blueprint and not a bug fix - it's not something we'd backport to stable branches upstream, for example.

Just an update on this since it came up in IRC today (unrelated discussion which reminded me of this thread), Kashyap has created a nova blueprint: https://blueprints.launchpad.net/nova/+spec/pick-guest-arch-based-on-host-ar... -- Thanks, Matt