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RequestToSync RPC Message

RequestToSync is a BarrierCoordinatorMessage to start Global Sync phase.

RequestToSync is sent out from BarrierTaskContext (i.e., barrier tasks on executors) to a BarrierCoordinator (on the driver) to handle.

Operation Message Request Message
allGather User-defined message ALL_GATHER
barrier empty BARRIER

Creating Instance

RequestToSync takes the following to be created:

RequestToSync is created when: