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[tune] Remove unused clean_trial_placement_group. (#19960)

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xwjiang2010 2021-11-04 08:55:42 -07:00 • committed by GitHub
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commit f1179cbccd
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1 changed files with 0 additions and 28 deletions
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python/ray/tune/utils/placement_groups.py
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@ -648,34 +648,6 @@ class PlacementGroupManager:
return trial_pg
def clean_trial_placement_group(
self, trial: "Trial") -> Optional[PlacementGroup]:
"""Remove reference to placement groups associated with a trial.
Returns an associated placement group. If the trial was scheduled, this
is the placement group it was scheduled on. If the trial was not
scheduled, it will first try to return a staging placement group. If
there is no staging placement group, it will return a ready placement
group that is not yet being used by another trial.
Args:
trial ("Trial"): :obj:`Trial` object.
Returns:
PlacementGroup or None.
"""
pgf = trial.placement_group_factory
if trial in self._in_use_trials:
# "Trial" was in use. Just return its placement group.
trial_pg = self._in_use_trials.pop(trial)
self._in_use_pgs.pop(trial_pg)
else:
trial_pg = self._unstage_unused_pg(pgf)
return trial_pg
def in_staging_grace_period(self):
return self._staging_futures and self._grace_period and time.time(
) <= self._latest_staging_start_time + self._grace_period