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Message #83775
[Bug 1894095] [NEW] Running periodic task during live migration results in incorrect usage
Public bug reported:
With the introduction of NUMA-aware live migration in Train, we now do
proper claiming and, if necessary, unclaiming of resources at the
destination host. However, the latter uses the same mechanism as
resize/cold migrate confirm/revert, which means its subject to the same
races as those highlighted in bug 1879878. This bug tracks the live
migration side of the work to fix that.
** Affects: nova
Importance: Medium
Assignee: Stephen Finucane (stephenfinucane)
Status: Confirmed
** Affects: nova/train
Importance: Undecided
Status: New
** Affects: nova/ussuri
Importance: Undecided
Status: New
** Tags: libvirt live-migration numa
** Tags added: numa
** Tags added: libvirt live-migration
** Changed in: nova
Status: New => Confirmed
** Changed in: nova
Importance: Undecided => Medium
** Changed in: nova
Assignee: (unassigned) => Stephen Finucane (stephenfinucane)
** Also affects: nova/train
Importance: Undecided
Status: New
** Also affects: nova/ussuri
Importance: Undecided
Status: New
--
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Engineering Team, which is subscribed to OpenStack Compute (nova).
https://bugs.launchpad.net/bugs/1894095
Title:
Running periodic task during live migration results in incorrect usage
Status in OpenStack Compute (nova):
Confirmed
Status in OpenStack Compute (nova) train series:
New
Status in OpenStack Compute (nova) ussuri series:
New
Bug description:
With the introduction of NUMA-aware live migration in Train, we now do
proper claiming and, if necessary, unclaiming of resources at the
destination host. However, the latter uses the same mechanism as
resize/cold migrate confirm/revert, which means its subject to the
same races as those highlighted in bug 1879878. This bug tracks the
live migration side of the work to fix that.
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