Cloned from launchpad bug 1370390. Description: When we resize (change the flavor) of an instance that has a NUMA topology defined, the NUMA info from the new flavor will not be considered during scheduling. The instance will get re-scheduled based on the old NUMA information, but the claiming on the host will use the new flavor data. Once the instane sucessfully lands on a host, we will still use the old data when provisioning it on the new host. We should be considering only the new flavor information in resizes. Specification URL (additional information): https://bugs.launchpad.net/nova/+bug/1370390
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