org.apache.flink.runtime.jobmaster.slotpool

接口 PhysicalSlotProvider

所有已知实现类:

PhysicalSlotProviderImpl

public interface PhysicalSlotProvider

The provider serves physical slot requests.

方法概要

限定符和类型	方法和说明
CompletableFuture<PhysicalSlotRequest.Result>	allocatePhysicalSlot(PhysicalSlotRequest physicalSlotRequest) Submit a request to allocate a physical slot.
void	cancelSlotRequest(SlotRequestId slotRequestId, Throwable cause) Cancels the slot request with the given SlotRequestId.
void	disableBatchSlotRequestTimeoutCheck() Disables batch slot request timeout check.

方法详细资料

allocatePhysicalSlot

CompletableFuture<PhysicalSlotRequest.Result> allocatePhysicalSlot(PhysicalSlotRequest physicalSlotRequest)

Submit a request to allocate a physical slot.

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

参数:

physicalSlotRequest - slot requirements

返回:

a future of the allocated slot

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.

参数:

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.