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[zhang zhenzhong <zzzhang0118@xxxxxxxxx>]

Public bug reported:

RT call update_available_resource to update resource to db periodic.
each time,update_available_resource first call _init_compute_node to init resource and update them(stats and numalogy is empty and init value) to db, at end of update_available_resource, the stats and numalogy is filled with right value,then _update() function called, the resource finally update to db.

But, in  _update(), the resource update to db when the local resource is
changed(by self._resource_change(compute_node)), this cause the stats
and numalogy in compute_nodes is always the init or empty value.

You can see the empty or init value of stats and numalogy in
compute_nodes table when resource of  nova-compute not change for a
while.

** Affects: nova
     Importance: Undecided
     Assignee: zhang zhenzhong (zzzhang0118)
         Status: New

** Changed in: nova
     Assignee: (unassigned) => zhang zhenzhong (zzzhang0118)

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https://bugs.launchpad.net/bugs/1697820

Title:
  refresh status and numalogy refresh to init value by
  _init_compute_node  in RT

Status in OpenStack Compute (nova):
  New

Bug description:
  RT call update_available_resource to update resource to db periodic.
  each time,update_available_resource first call _init_compute_node to init resource and update them(stats and numalogy is empty and init value) to db, at end of update_available_resource, the stats and numalogy is filled with right value,then _update() function called, the resource finally update to db.

  But, in  _update(), the resource update to db when the local resource
  is changed(by self._resource_change(compute_node)), this cause the
  stats and numalogy in compute_nodes is always the init or empty value.

  You can see the empty or init value of stats and numalogy in
  compute_nodes table when resource of  nova-compute not change for a
  while.

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