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[Thierry Carrez <thierry.carrez+lp@xxxxxxxxx>]

** Changed in: nova
       Status: Fix Committed => Fix Released

** Changed in: nova
    Milestone: None => liberty-rc1

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https://bugs.launchpad.net/bugs/1443640

Title:
  Cells: race condition when saving an instance

Status in OpenStack Compute (nova):
  Fix Released

Bug description:
  When an instance is saved in a parent cell the db update happens there
  and then the update is sent to a child cell.  When the child cells
  updates its database it then sends that update back up to the parent
  to be save there again.  The propagation of the change back up to the
  parent can overwrite subsequent changes there causing data to be lost.
  Updates from a parent->child or child->parent should go one direction
  only and not propagate back to the originating cell.

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