ray.util.scheduling_strategies.PlacementGroupSchedulingStrategy#

class ray.util.scheduling_strategies.PlacementGroupSchedulingStrategy(placement_group: PlacementGroup, placement_group_bundle_index: int = -1, placement_group_capture_child_tasks: bool | None = None)[source]#

Placement group based scheduling strategy.

placement_group#: the placement group this actor belongs to, or None if it doesn’t belong to any group.

placement_group_bundle_index#: the index of the bundle if the actor belongs to a placement group, which may be -1 to specify any available bundle.

placement_group_capture_child_tasks#: Whether or not children tasks of this actor should implicitly use the same placement group as its parent. It is False by default.

Methods