[tune] Placement group manager fixes #16844
Merged
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Why are these changes needed?
This PR fixes two major issues with placement group manager, which were uncovered during implementation of a dynamic resource allocation scheduler.
The first issue was that unusable placement groups were not being destroyed after being returned from a trial. The second issue was caused by the reconciliation method not accounting for placement groups that are unexpected, but still staged or ready.
Related issue number
Checks
scripts/format.sh
to lint the changes in this PR.