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[Balazs Gibizer <balazs.gibizer@xxxxxxxx>]

Public bug reported:

The functional test
nova.tests.functional.test_scheduler.MultiCellSchedulerTestCase.test_migrate_within_cell
passes but it takes 160 seconds to run.

Example run: 
https://zuul.opendev.org/t/openstack/build/7fd0e6434c53422f9508466b7ead9b1e/log/job-output.txt#15531

Output from local reproduction:
http://paste.openstack.org/show/788119/

Seems like the cleanup after the test function takes the extra time. By
looking at the test case it starts a migration then if that call returns
202 the test finishes. So the cleanup and the migration happen in
parallel. By adding a wait for the server to finish migration removes
the excessive run time.

** Affects: nova
     Importance: Low
     Assignee: Balazs Gibizer (balazs-gibizer)
         Status: In Progress


** Tags: testing

** Changed in: nova
       Status: New => Triaged

** Changed in: nova
   Importance: Undecided => Low

** Changed in: nova
     Assignee: (unassigned) => Balazs Gibizer (balazs-gibizer)

** Tags added: testing

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https://bugs.launchpad.net/bugs/1858639

Title:
  functional test test_migrate_within_cell takes 160 seconds to run

Status in OpenStack Compute (nova):
  In Progress

Bug description:
  The functional test
  nova.tests.functional.test_scheduler.MultiCellSchedulerTestCase.test_migrate_within_cell
  passes but it takes 160 seconds to run.

  Example run: 
  https://zuul.opendev.org/t/openstack/build/7fd0e6434c53422f9508466b7ead9b1e/log/job-output.txt#15531

  Output from local reproduction:
  http://paste.openstack.org/show/788119/

  Seems like the cleanup after the test function takes the extra time.
  By looking at the test case it starts a migration then if that call
  returns 202 the test finishes. So the cleanup and the migration happen
  in parallel. By adding a wait for the server to finish migration
  removes the excessive run time.

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