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[Liusheng <liusheng@xxxxxxxxxx>]

Public bug reported:

In change https://review.openstack.org/#/c/133998, the
instance['numa_topology'] will be set when filter successfully. when we
have many hosts in environment, the instance['numa_topology'] will be
set every time when filter host successfully, and it will be the
numa_topology that base on last fitting successfully host's
numa_topology. But the instance may will don't boot on the last filtered
host after weighting and random selecting. That may lead booting failed
because the numa_topology of "last filtered host" may be different with
the chosen host's.

** Affects: nova
     Importance: Undecided
     Assignee: Liusheng (liusheng)
         Status: New

** Changed in: nova
     Assignee: (unassigned) => Liusheng (liusheng)

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https://bugs.launchpad.net/bugs/1405359

Title:
  Instance's numa_topology shouldn't be changed in NUMATopologyFilter

Status in OpenStack Compute (Nova):
  New

Bug description:
  In change https://review.openstack.org/#/c/133998, the
  instance['numa_topology'] will be set when filter successfully. when
  we have many hosts in environment, the instance['numa_topology'] will
  be set every time when filter host successfully, and it will be the
  numa_topology that base on last fitting successfully host's
  numa_topology. But the instance may will don't boot on the last
  filtered host after weighting and random selecting. That may lead
  booting failed because the numa_topology of "last filtered host" may
  be different with the chosen host's.

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