org.apache.flink.runtime.resourcemanager.slotmanager

Interface ResourceActions

public interface ResourceActions

Resource related actions which the SlotManager can perform.

Method Summary

Modifier and Type	Method and Description
boolean	allocateResource(WorkerResourceSpec workerResourceSpec) Requests to allocate a resource with the given WorkerResourceSpec.
void	notifyAllocationFailure(JobID jobId, AllocationID allocationId, Exception cause) Notifies that an allocation failure has occurred.
void	notifyNotEnoughResourcesAvailable(JobID jobId, Collection<ResourceRequirement> acquiredResources) Notifies that not enough resources are available to fulfill the resource requirements of a job.
void	releaseResource(InstanceID instanceId, Exception cause) Releases the resource with the given instance id.

Method Detail

releaseResource

void releaseResource(InstanceID instanceId,
                     Exception cause)

Releases the resource with the given instance id.

Parameters:

instanceId - identifying which resource to release

cause - why the resource is released

allocateResource

boolean allocateResource(WorkerResourceSpec workerResourceSpec)

Requests to allocate a resource with the given WorkerResourceSpec.

Parameters:

workerResourceSpec - for the to be allocated worker

Returns:

whether the resource can be allocated

notifyAllocationFailure

void notifyAllocationFailure(JobID jobId,
                             AllocationID allocationId,
                             Exception cause)

Notifies that an allocation failure has occurred.

Parameters:

jobId - to which the allocation belonged

allocationId - identifying the failed allocation

cause - of the allocation failure

notifyNotEnoughResourcesAvailable

void notifyNotEnoughResourcesAvailable(JobID jobId,
                                       Collection<ResourceRequirement> acquiredResources)

Notifies that not enough resources are available to fulfill the resource requirements of a job.

Parameters:

jobId - job for which not enough resources are available

acquiredResources - the resources that have been acquired for the job