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[sergiiF <framin@xxxxxxx>]

Public bug reported:

We have an Ironic deployment with about 1500 BMs, 1k+ of them are
already provisioned.

The current Ironic architecture doesn't allow us to have more than one
'ironic compute node'. As a result nova-compute service is 100% busy
with periodic tasks like updating instances status (this task takes
about 1.5 minute!!).

** Affects: nova
     Importance: Undecided
         Status: New


** Tags: ironic

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https://bugs.launchpad.net/bugs/1559246

Title:
  Performance issues when have 1k+ Ironic BM instances

Status in OpenStack Compute (nova):
  New

Bug description:
  We have an Ironic deployment with about 1500 BMs, 1k+ of them are
  already provisioned.

  The current Ironic architecture doesn't allow us to have more than one
  'ironic compute node'. As a result nova-compute service is 100% busy
  with periodic tasks like updating instances status (this task takes
  about 1.5 minute!!).

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