Package org.apache.flink.runtime.jobmaster.slotpool

Interface PhysicalSlotProvider

All Known Implementing Classes:
PhysicalSlotProviderImpl
public interface PhysicalSlotProvider
The provider serves physical slot requests.

  • Method Details

    • allocatePhysicalSlots

      Map<SlotRequestId,CompletableFuture<PhysicalSlotRequest.Result>> allocatePhysicalSlots(Collection<PhysicalSlotRequest> physicalSlotRequests)
      Submit requests to allocate physical slots.

      The physical slot can be either allocated from the slots, which are already available for the job, or a new one can be requested from the resource manager.

      Parameters:
      physicalSlotRequests - physicalSlotRequest slot requirements
      Returns:
      futures of the allocated slots

    • cancelSlotRequest

      void cancelSlotRequest(SlotRequestId slotRequestId, Throwable cause)
      Cancels the slot request with the given SlotRequestId.

      If the request is already fulfilled with a physical slot, the slot will be released.

      Parameters:
      slotRequestId - identifying the slot request to cancel
      cause - of the cancellation

    • disableBatchSlotRequestTimeoutCheck

      void disableBatchSlotRequestTimeoutCheck()
      Disables batch slot request timeout check. Invoked when someone else wants to take over the timeout check responsibility.