Package org.apache.flink.runtime.resourcemanager.slotmanager

Class DefaultSlotStatusSyncer

java.lang.Object

org.apache.flink.runtime.resourcemanager.slotmanager.DefaultSlotStatusSyncer

All Implemented Interfaces:

SlotStatusSyncer

public class DefaultSlotStatusSyncer
extends Object
implements SlotStatusSyncer

Default implementation of SlotStatusSyncer for fine-grained slot management.

Constructor Summary

Constructors

Constructor	Description
DefaultSlotStatusSyncer(Duration taskManagerRequestTimeout)

Method Summary

Modifier and Type	Method	Description
CompletableFuture<Void>	allocateSlot(InstanceID instanceId, org.apache.flink.api.common.JobID jobId, String targetAddress, ResourceProfile resourceProfile)	Allocate a slot from the task manager.
void	close()	Close this syncer, clear all the state.
void	freeInactiveSlots(org.apache.flink.api.common.JobID jobId)	Frees all currently inactive slot allocated for the given job.
void	freeSlot(AllocationID allocationId)	Free the given slot.
void	initialize(org.apache.flink.runtime.resourcemanager.slotmanager.TaskManagerTracker taskManagerTracker, ResourceTracker resourceTracker, ResourceManagerId resourceManagerId, Executor mainThreadExecutor)	Initialize this syncer.
boolean	reportSlotStatus(InstanceID instanceId, SlotReport slotReport)	Reconcile the slot status with the slot report.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

DefaultSlotStatusSyncer

public DefaultSlotStatusSyncer(Duration taskManagerRequestTimeout)

Method Detail

initialize

public void initialize(org.apache.flink.runtime.resourcemanager.slotmanager.TaskManagerTracker taskManagerTracker,
                       ResourceTracker resourceTracker,
                       ResourceManagerId resourceManagerId,
                       Executor mainThreadExecutor)

Description copied from interface: SlotStatusSyncer

Initialize this syncer.

Specified by:

initialize in interface SlotStatusSyncer

Parameters:

taskManagerTracker - track the state of task managers and slots

resourceTracker - track the state of resource declaration

resourceManagerId - for slot allocation

mainThreadExecutor - to handle the request future

close

public void close()

Description copied from interface: SlotStatusSyncer

Close this syncer, clear all the state.

Specified by:

close in interface SlotStatusSyncer

allocateSlot

public CompletableFuture<Void> allocateSlot(InstanceID instanceId,
                                            org.apache.flink.api.common.JobID jobId,
                                            String targetAddress,
                                            ResourceProfile resourceProfile)

Description copied from interface: SlotStatusSyncer

Allocate a slot from the task manager.

Specified by:

allocateSlot in interface SlotStatusSyncer

Parameters:

instanceId - of the task manager

jobId - of the slot

targetAddress - of the job

resourceProfile - of the slot

Returns:

a CompletableFuture of the slot allocation, which will be completed exceptionally if the allocation fails

freeSlot

public void freeSlot(AllocationID allocationId)

Description copied from interface: SlotStatusSyncer

Free the given slot.

Specified by:

freeSlot in interface SlotStatusSyncer

Parameters:

allocationId - of the given slot.

reportSlotStatus

public boolean reportSlotStatus(InstanceID instanceId,
                                SlotReport slotReport)

Description copied from interface: SlotStatusSyncer

Reconcile the slot status with the slot report.

Specified by:

reportSlotStatus in interface SlotStatusSyncer

Parameters:

instanceId - of the task manager

slotReport - reported

Returns:

whether the previous allocations can be applied

freeInactiveSlots

public void freeInactiveSlots(org.apache.flink.api.common.JobID jobId)

Description copied from interface: SlotStatusSyncer

Frees all currently inactive slot allocated for the given job.

Specified by:

freeInactiveSlots in interface SlotStatusSyncer

Parameters:

jobId - of the job