org.apache.flink.runtime.resourcemanager.slotmanager

接口 ResourceAllocationStrategy

所有已知实现类:

DefaultResourceAllocationStrategy

public interface ResourceAllocationStrategy

Strategy for allocating slots and task managers to fulfill the unfulfilled requirements.

方法概要

限定符和类型	方法和说明
ResourceAllocationResult	tryFulfillRequirements(Map<org.apache.flink.api.common.JobID,Collection<ResourceRequirement>> missingResources, org.apache.flink.runtime.resourcemanager.slotmanager.TaskManagerResourceInfoProvider taskManagerResourceInfoProvider, BlockedTaskManagerChecker blockedTaskManagerChecker) Try to make an allocation decision to fulfill the resource requirements.

方法详细资料

tryFulfillRequirements

ResourceAllocationResult tryFulfillRequirements(Map<org.apache.flink.api.common.JobID,Collection<ResourceRequirement>> missingResources,
                                                org.apache.flink.runtime.resourcemanager.slotmanager.TaskManagerResourceInfoProvider taskManagerResourceInfoProvider,
                                                BlockedTaskManagerChecker blockedTaskManagerChecker)

Try to make an allocation decision to fulfill the resource requirements. The strategy generates a series of actions to take, based on the current status.

Notice: For performance considerations, modifications might be performed directly on the input arguments. If the arguments are reused elsewhere, please make a deep copy in advance.

参数:

missingResources - resource requirements that are not yet fulfilled, indexed by jobId

taskManagerResourceInfoProvider - provide the registered/pending resources of the current cluster

blockedTaskManagerChecker - blocked task manager checker

返回:

a ResourceAllocationResult based on the current status, which contains whether the requirements can be fulfilled and the actions to take