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[Bug 2117708] [NEW] Remove migrations api call for ironic driver in resource tracker

To: yahoo-eng-team@xxxxxxxxxxxxxxxxxxx
From: Ian Watson <2117708@xxxxxxxxxxxxxxxxxx>
Date: Wed, 23 Jul 2025 11:56:41 -0000
Reply-to: Bug 2117708 <2117708@xxxxxxxxxxxxxxxxxx>
Sender: noreply@xxxxxxxxxxxxx

Public bug reported:

The update_available_resource periodic task is needlessly querying
migrations for drivers that don't support migrations.

If we know that the driver doesn't support migrations then we can remove
these API calls which will provide a speed up at scale.

** Affects: nova
     Importance: Undecided
         Status: New

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https://bugs.launchpad.net/bugs/2117708

Title:
  Remove migrations api call for ironic driver in resource tracker

Status in OpenStack Compute (nova):
  New

Bug description:
  The update_available_resource periodic task is needlessly querying
  migrations for drivers that don't support migrations.

  If we know that the driver doesn't support migrations then we can
  remove these API calls which will provide a speed up at scale.

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