Uses of Class
org.apache.flink.runtime.scheduler.strategy.ExecutionVertexID

Packages that use ExecutionVertexID

Package	Description
org.apache.flink.runtime.executiongraph
org.apache.flink.runtime.executiongraph.failover
org.apache.flink.runtime.executiongraph.failover.partitionrelease
org.apache.flink.runtime.jobmaster.event
org.apache.flink.runtime.scheduler
org.apache.flink.runtime.scheduler.adapter
org.apache.flink.runtime.scheduler.adaptive.allocator
org.apache.flink.runtime.scheduler.adaptivebatch
org.apache.flink.runtime.scheduler.exceptionhistory
org.apache.flink.runtime.scheduler.slowtaskdetector
org.apache.flink.runtime.scheduler.strategy

Uses of ExecutionVertexID in org.apache.flink.runtime.executiongraph

Methods in org.apache.flink.runtime.executiongraph that return ExecutionVertexID

Modifier and Type	Method and Description
ExecutionVertexID	ExecutionAttemptID.getExecutionVertexId()
ExecutionVertexID	ExecutionVertex.getID()

Methods in org.apache.flink.runtime.executiongraph with parameters of type ExecutionVertexID

Modifier and Type	Method and Description
void	EdgeManager.connectVertexWithConsumedPartitionGroup(ExecutionVertexID executionVertexId, ConsumedPartitionGroup consumedPartitionGroup)
List<ConsumedPartitionGroup>	EdgeManager.getConsumedPartitionGroupsForVertex(ExecutionVertexID executionVertexId)
ExecutionVertex	DefaultExecutionGraph.getExecutionVertexOrThrow(ExecutionVertexID id)
ExecutionVertex	InternalExecutionGraphAccessor.getExecutionVertexOrThrow(ExecutionVertexID id)

Constructors in org.apache.flink.runtime.executiongraph with parameters of type ExecutionVertexID

Constructor and Description
ExecutionAttemptID(ExecutionGraphID executionGraphId, ExecutionVertexID executionVertexId, int attemptNumber)

Uses of ExecutionVertexID in org.apache.flink.runtime.executiongraph.failover

Methods in org.apache.flink.runtime.executiongraph.failover that return types with arguments of type ExecutionVertexID

Modifier and Type	Method and Description
Set<ExecutionVertexID>	RestartAllFailoverStrategy.getTasksNeedingRestart(ExecutionVertexID executionVertexId, Throwable cause) Returns all vertices on any task failure.
Set<ExecutionVertexID>	FailoverStrategy.getTasksNeedingRestart(ExecutionVertexID executionVertexId, Throwable cause) Returns a set of IDs corresponding to the set of vertices that should be restarted.
Set<ExecutionVertexID>	RestartPipelinedRegionFailoverStrategy.getTasksNeedingRestart(ExecutionVertexID executionVertexId, Throwable cause) Returns a set of IDs corresponding to the set of vertices that should be restarted.
Set<ExecutionVertexID>	FailureHandlingResult.getVerticesToRestart() Returns the tasks to restart.

Methods in org.apache.flink.runtime.executiongraph.failover with parameters of type ExecutionVertexID

Modifier and Type	Method and Description
SchedulingPipelinedRegion	RestartPipelinedRegionFailoverStrategy.getFailoverRegion(ExecutionVertexID vertexID) Returns the failover region that contains the given execution vertex.
Set<ExecutionVertexID>	RestartAllFailoverStrategy.getTasksNeedingRestart(ExecutionVertexID executionVertexId, Throwable cause) Returns all vertices on any task failure.
Set<ExecutionVertexID>	FailoverStrategy.getTasksNeedingRestart(ExecutionVertexID executionVertexId, Throwable cause) Returns a set of IDs corresponding to the set of vertices that should be restarted.
Set<ExecutionVertexID>	RestartPipelinedRegionFailoverStrategy.getTasksNeedingRestart(ExecutionVertexID executionVertexId, Throwable cause) Returns a set of IDs corresponding to the set of vertices that should be restarted.

Method parameters in org.apache.flink.runtime.executiongraph.failover with type arguments of type ExecutionVertexID

Modifier and Type	Method and Description
static Set<Set<SchedulingExecutionVertex>>	SchedulingPipelinedRegionComputeUtil.computePipelinedRegions(Iterable<? extends SchedulingExecutionVertex> topologicallySortedVertices, Function<ExecutionVertexID,? extends SchedulingExecutionVertex> executionVertexRetriever, Function<IntermediateResultPartitionID,? extends SchedulingResultPartition> resultPartitionRetriever)
static FailureHandlingResult	FailureHandlingResult.restartable(Execution failedExecution, Throwable cause, long timestamp, CompletableFuture<Map<String,String>> failureLabels, Set<ExecutionVertexID> verticesToRestart, long restartDelayMS, boolean globalFailure, boolean isRootCause) Creates a result of a set of tasks to restart to recover from the failure.

Uses of ExecutionVertexID in org.apache.flink.runtime.executiongraph.failover.partitionrelease

Methods in org.apache.flink.runtime.executiongraph.failover.partitionrelease with parameters of type ExecutionVertexID

Modifier and Type	Method and Description
boolean	RegionPartitionGroupReleaseStrategy.isRegionOfVertexFinished(ExecutionVertexID executionVertexId)
List<ConsumedPartitionGroup>	NotReleasingPartitionGroupReleaseStrategy.vertexFinished(ExecutionVertexID finishedVertex)
List<ConsumedPartitionGroup>	RegionPartitionGroupReleaseStrategy.vertexFinished(ExecutionVertexID finishedVertex)
List<ConsumedPartitionGroup>	PartitionGroupReleaseStrategy.vertexFinished(ExecutionVertexID finishedVertex) Calling this method informs the strategy that a vertex finished.
void	NotReleasingPartitionGroupReleaseStrategy.vertexUnfinished(ExecutionVertexID executionVertexID)
void	RegionPartitionGroupReleaseStrategy.vertexUnfinished(ExecutionVertexID executionVertexId)
void	PartitionGroupReleaseStrategy.vertexUnfinished(ExecutionVertexID executionVertexID) Calling this method informs the strategy that a vertex is no longer in finished state, e.g., when a vertex is re-executed.

Method parameters in org.apache.flink.runtime.executiongraph.failover.partitionrelease with type arguments of type ExecutionVertexID

Modifier and Type	Method and Description
void	RegionPartitionGroupReleaseStrategy.notifySchedulingTopologyUpdated(SchedulingTopology schedulingTopology, List<ExecutionVertexID> newExecutionVertices)

Uses of ExecutionVertexID in org.apache.flink.runtime.jobmaster.event

Methods in org.apache.flink.runtime.jobmaster.event that return ExecutionVertexID

Modifier and Type	Method and Description
ExecutionVertexID	ExecutionVertexFinishedEvent.getExecutionVertexId()

Methods in org.apache.flink.runtime.jobmaster.event that return types with arguments of type ExecutionVertexID

Modifier and Type	Method and Description
List<ExecutionVertexID>	ExecutionVertexResetEvent.getExecutionVertexIds()

Constructor parameters in org.apache.flink.runtime.jobmaster.event with type arguments of type ExecutionVertexID

Constructor and Description
ExecutionVertexResetEvent(List<ExecutionVertexID> executionVertexIds)

Uses of ExecutionVertexID in org.apache.flink.runtime.scheduler

Methods in org.apache.flink.runtime.scheduler that return ExecutionVertexID

Modifier and Type	Method and Description
ExecutionVertexID	ExecutionVertexVersion.getExecutionVertexId()

Methods in org.apache.flink.runtime.scheduler that return types with arguments of type ExecutionVertexID

Modifier and Type	Method and Description
Map<ExecutionVertexID,ExecutionVertexVersion>	ExecutionVertexVersioner.getExecutionVertexVersions(Collection<ExecutionVertexID> executionVertexIds)
Collection<ExecutionVertexID>	ExecutionGraphToInputsLocationsRetrieverAdapter.getProducersOfConsumedPartitionGroup(ConsumedPartitionGroup consumedPartitionGroup)
Collection<ExecutionVertexID>	InputsLocationsRetriever.getProducersOfConsumedPartitionGroup(ConsumedPartitionGroup consumedPartitionGroup) Get the producer execution vertices of a consumed result partition group.
Set<ExecutionVertexID>	ExecutionVertexVersioner.getUnmodifiedExecutionVertices(Set<ExecutionVertexVersion> executionVertexVersions)
Map<ExecutionVertexID,ExecutionVertexVersion>	ExecutionVertexVersioner.recordVertexModifications(Collection<ExecutionVertexID> vertices)

Methods in org.apache.flink.runtime.scheduler with parameters of type ExecutionVertexID

Modifier and Type	Method and Description
protected void	DefaultScheduler.cancelAllPendingSlotRequestsForVertex(ExecutionVertexID executionVertexId)
Collection<ConsumedPartitionGroup>	ExecutionGraphToInputsLocationsRetrieverAdapter.getConsumedPartitionGroups(ExecutionVertexID executionVertexId)
Collection<ConsumedPartitionGroup>	InputsLocationsRetriever.getConsumedPartitionGroups(ExecutionVertexID executionVertexId) Get the consumed result partition groups of an execution vertex.
ExecutionVertex	SchedulerBase.getExecutionVertex(ExecutionVertexID executionVertexId)
ExecutionVertexVersion	ExecutionVertexVersioner.getExecutionVertexVersion(ExecutionVertexID executionVertexId)
CompletableFuture<Collection<TaskManagerLocation>>	PreferredLocationsRetriever.getPreferredLocations(ExecutionVertexID executionVertexId, Set<ExecutionVertexID> producersToIgnore) Returns preferred locations of an execution vertex.
Collection<TaskManagerLocation>	SyncPreferredLocationsRetriever.getPreferredLocations(ExecutionVertexID executionVertexId, Set<ExecutionVertexID> producersToIgnore) Returns preferred locations of an execution vertex.
CompletableFuture<Collection<TaskManagerLocation>>	DefaultPreferredLocationsRetriever.getPreferredLocations(ExecutionVertexID executionVertexId, Set<ExecutionVertexID> producersToIgnore)
Optional<TaskManagerLocation>	StateLocationRetriever.getStateLocation(ExecutionVertexID executionVertexId) Returns state location of an execution vertex.
Optional<CompletableFuture<TaskManagerLocation>>	ExecutionGraphToInputsLocationsRetrieverAdapter.getTaskManagerLocation(ExecutionVertexID executionVertexId)
Optional<CompletableFuture<TaskManagerLocation>>	InputsLocationsRetriever.getTaskManagerLocation(ExecutionVertexID executionVertexId) Get the task manager location future for an execution vertex.
ExecutionVertexVersion	ExecutionVertexVersioner.recordModification(ExecutionVertexID executionVertexId)
protected void	SchedulerBase.resetForNewExecution(ExecutionVertexID executionVertexId)

Method parameters in org.apache.flink.runtime.scheduler with type arguments of type ExecutionVertexID

Modifier and Type	Method and Description
void	ExecutionDeployer.allocateSlotsAndDeploy(List<Execution> executionsToDeploy, Map<ExecutionVertexID,ExecutionVertexVersion> requiredVersionByVertex) Allocate slots and deploy executions.
void	DefaultExecutionDeployer.allocateSlotsAndDeploy(List<Execution> executionsToDeploy, Map<ExecutionVertexID,ExecutionVertexVersion> requiredVersionByVertex)
void	SchedulerOperations.allocateSlotsAndDeploy(List<ExecutionVertexID> verticesToDeploy) Allocate slots and deploy the vertex when slots are returned.
void	DefaultScheduler.allocateSlotsAndDeploy(List<ExecutionVertexID> verticesToDeploy)
ExecutionDeployer	ExecutionDeployer.Factory.createInstance(org.slf4j.Logger log, ExecutionSlotAllocator executionSlotAllocator, ExecutionOperations executionOperations, ExecutionVertexVersioner executionVertexVersioner, org.apache.flink.api.common.time.Time partitionRegistrationTimeout, BiConsumer<ExecutionVertexID,AllocationID> allocationReservationFunc, org.apache.flink.runtime.concurrent.ComponentMainThreadExecutor mainThreadExecutor) Instantiate an ExecutionDeployer with the given params.
DefaultExecutionDeployer	DefaultExecutionDeployer.Factory.createInstance(org.slf4j.Logger log, ExecutionSlotAllocator executionSlotAllocator, ExecutionOperations executionOperations, ExecutionVertexVersioner executionVertexVersioner, org.apache.flink.api.common.time.Time partitionRegistrationTimeout, BiConsumer<ExecutionVertexID,AllocationID> allocationReservationFunc, org.apache.flink.runtime.concurrent.ComponentMainThreadExecutor mainThreadExecutor)
Map<ExecutionVertexID,ExecutionVertexVersion>	ExecutionVertexVersioner.getExecutionVertexVersions(Collection<ExecutionVertexID> executionVertexIds)
CompletableFuture<Collection<TaskManagerLocation>>	PreferredLocationsRetriever.getPreferredLocations(ExecutionVertexID executionVertexId, Set<ExecutionVertexID> producersToIgnore) Returns preferred locations of an execution vertex.
Collection<TaskManagerLocation>	SyncPreferredLocationsRetriever.getPreferredLocations(ExecutionVertexID executionVertexId, Set<ExecutionVertexID> producersToIgnore) Returns preferred locations of an execution vertex.
CompletableFuture<Collection<TaskManagerLocation>>	DefaultPreferredLocationsRetriever.getPreferredLocations(ExecutionVertexID executionVertexId, Set<ExecutionVertexID> producersToIgnore)
void	SchedulingTopologyListener.notifySchedulingTopologyUpdated(SchedulingTopology schedulingTopology, List<ExecutionVertexID> newExecutionVertices) Notifies that the scheduling topology is just updated.
Map<ExecutionVertexID,ExecutionVertexVersion>	ExecutionVertexVersioner.recordVertexModifications(Collection<ExecutionVertexID> vertices)
protected void	SchedulerBase.resetForNewExecutions(Collection<ExecutionVertexID> vertices)
protected void	SchedulerBase.restoreState(Set<ExecutionVertexID> vertices, boolean isGlobalRecovery)
void	VertexEndOfDataListener.restoreVertices(Set<ExecutionVertexID> executionVertices)
protected void	SchedulerBase.transitionToScheduled(List<ExecutionVertexID> verticesToDeploy)

Uses of ExecutionVertexID in org.apache.flink.runtime.scheduler.adapter

Methods in org.apache.flink.runtime.scheduler.adapter with parameters of type ExecutionVertexID

Modifier and Type	Method and Description
boolean	DefaultSchedulingPipelinedRegion.contains(ExecutionVertexID vertexId)
DefaultSchedulingPipelinedRegion	DefaultExecutionTopology.getPipelinedRegionOfVertex(ExecutionVertexID vertexId)
org.apache.flink.runtime.scheduler.adapter.DefaultExecutionVertex	DefaultExecutionTopology.getVertex(ExecutionVertexID executionVertexId)
org.apache.flink.runtime.scheduler.adapter.DefaultExecutionVertex	DefaultSchedulingPipelinedRegion.getVertex(ExecutionVertexID vertexId)

Uses of ExecutionVertexID in org.apache.flink.runtime.scheduler.adaptive.allocator

Methods in org.apache.flink.runtime.scheduler.adaptive.allocator with parameters of type ExecutionVertexID

Modifier and Type	Method and Description
LogicalSlot	ReservedSlots.getSlotFor(ExecutionVertexID executionVertexId)

Method parameters in org.apache.flink.runtime.scheduler.adaptive.allocator with type arguments of type ExecutionVertexID

Modifier and Type	Method and Description
static ReservedSlots	ReservedSlots.create(Map<ExecutionVertexID,LogicalSlot> assignedSlots)

Uses of ExecutionVertexID in org.apache.flink.runtime.scheduler.adaptivebatch

Methods in org.apache.flink.runtime.scheduler.adaptivebatch that return types with arguments of type ExecutionVertexID

Modifier and Type	Method and Description
Set<ExecutionVertexID>	BatchJobRecoveryContext.getTasksNeedingRestart(ExecutionVertexID vertexId, boolean considerResultConsumable) Retrieves a set of vertices that need to be restarted.

Methods in org.apache.flink.runtime.scheduler.adaptivebatch with parameters of type ExecutionVertexID

Modifier and Type	Method and Description
Set<ExecutionVertexID>	BatchJobRecoveryContext.getTasksNeedingRestart(ExecutionVertexID vertexId, boolean considerResultConsumable) Retrieves a set of vertices that need to be restarted.
void	BatchJobRecoveryHandler.onExecutionFinished(ExecutionVertexID executionVertexId) Records the execution vertex finished event for use during future batch job recovery.
void	DummyBatchJobRecoveryHandler.onExecutionFinished(ExecutionVertexID executionVertexId)
void	DefaultBatchJobRecoveryHandler.onExecutionFinished(ExecutionVertexID executionVertexId)
protected void	AdaptiveBatchScheduler.resetForNewExecution(ExecutionVertexID executionVertexId)
void	DefaultSpeculativeExecutionHandler.resetForNewExecution(ExecutionVertexID executionVertexId)
void	DummySpeculativeExecutionHandler.resetForNewExecution(ExecutionVertexID executionVertexId)
void	SpeculativeExecutionHandler.resetForNewExecution(ExecutionVertexID executionVertexId) Resets the state of the component for a new execution of a specific execution vertex.

Method parameters in org.apache.flink.runtime.scheduler.adaptivebatch with type arguments of type ExecutionVertexID

Modifier and Type	Method and Description
void	AdaptiveBatchScheduler.allocateSlotsAndDeploy(List<ExecutionVertexID> verticesToDeploy)
void	DefaultSpeculativeExecutionHandler.notifySlowTasks(Map<ExecutionVertexID,Collection<ExecutionAttemptID>> slowTasks)
void	DefaultSpeculativeExecutionHandler.notifyTaskFinished(Execution execution, Function<ExecutionVertexID,CompletableFuture<?>> cancelPendingExecutionsFunction)
void	DummySpeculativeExecutionHandler.notifyTaskFinished(Execution execution, Function<ExecutionVertexID,CompletableFuture<?>> cancelPendingExecutionsFunction)
void	SpeculativeExecutionHandler.notifyTaskFinished(Execution execution, Function<ExecutionVertexID,CompletableFuture<?>> cancelPendingExecutionsFunction) Notifies that a task has finished its execution.
void	BatchJobRecoveryHandler.onExecutionVertexReset(Collection<ExecutionVertexID> vertices) Handles the reset event for a collection of execution vertices and records the event for use during future batch job recovery.
void	DummyBatchJobRecoveryHandler.onExecutionVertexReset(Collection<ExecutionVertexID> vertices)
void	DefaultBatchJobRecoveryHandler.onExecutionVertexReset(Collection<ExecutionVertexID> vertices)
protected void	AdaptiveBatchScheduler.resetForNewExecutions(Collection<ExecutionVertexID> vertices)
void	BatchJobRecoveryContext.resetVerticesInRecovering(Set<ExecutionVertexID> verticesToReset) Resets vertices specified by their IDs during recovery process.

Constructor parameters in org.apache.flink.runtime.scheduler.adaptivebatch with type arguments of type ExecutionVertexID

Constructor and Description
DefaultSpeculativeExecutionHandler(org.apache.flink.configuration.Configuration jobMasterConfiguration, BlocklistOperations blocklistOperations, Function<ExecutionVertexID,ExecutionVertex> executionVertexRetriever, Supplier<Map<ExecutionAttemptID,Execution>> registerExecutionsSupplier, BiConsumer<List<Execution>,Collection<ExecutionVertexID>> allocateSlotsAndDeployFunction, org.slf4j.Logger log)
DefaultSpeculativeExecutionHandler(org.apache.flink.configuration.Configuration jobMasterConfiguration, BlocklistOperations blocklistOperations, Function<ExecutionVertexID,ExecutionVertex> executionVertexRetriever, Supplier<Map<ExecutionAttemptID,Execution>> registerExecutionsSupplier, BiConsumer<List<Execution>,Collection<ExecutionVertexID>> allocateSlotsAndDeployFunction, org.slf4j.Logger log)

Uses of ExecutionVertexID in org.apache.flink.runtime.scheduler.exceptionhistory

Method parameters in org.apache.flink.runtime.scheduler.exceptionhistory with type arguments of type ExecutionVertexID

Modifier and Type	Method and Description
static FailureHandlingResultSnapshot	FailureHandlingResultSnapshot.create(FailureHandlingResult failureHandlingResult, Function<ExecutionVertexID,Collection<Execution>> currentExecutionsLookup) Creates a FailureHandlingResultSnapshot based on the passed FailureHandlingResult and ExecutionVertices.

Uses of ExecutionVertexID in org.apache.flink.runtime.scheduler.slowtaskdetector

Method parameters in org.apache.flink.runtime.scheduler.slowtaskdetector with type arguments of type ExecutionVertexID

Modifier and Type	Method and Description
void	SlowTaskDetectorListener.notifySlowTasks(Map<ExecutionVertexID,Collection<ExecutionAttemptID>> slowTasks) Notify detected slow tasks.

Uses of ExecutionVertexID in org.apache.flink.runtime.scheduler.strategy

Methods in org.apache.flink.runtime.scheduler.strategy that return ExecutionVertexID

Modifier and Type	Method and Description
static ExecutionVertexID	ExecutionVertexID.fromByteBuf(org.apache.flink.shaded.netty4.io.netty.buffer.ByteBuf buf)
ExecutionVertexID	ConsumerVertexGroup.getFirst()

Methods in org.apache.flink.runtime.scheduler.strategy that return types with arguments of type ExecutionVertexID

Modifier and Type	Method and Description
Iterator<ExecutionVertexID>	ConsumerVertexGroup.iterator()

Methods in org.apache.flink.runtime.scheduler.strategy with parameters of type ExecutionVertexID

Modifier and Type	Method and Description
static ConsumerVertexGroup	ConsumerVertexGroup.fromSingleVertex(ExecutionVertexID vertex, ResultPartitionType resultPartitionType)
SchedulingExecutionVertex	SchedulingTopology.getVertex(ExecutionVertexID executionVertexId) Looks up the SchedulingExecutionVertex for the given ExecutionVertexID.
void	VertexwiseSchedulingStrategy.onExecutionStateChange(ExecutionVertexID executionVertexId, ExecutionState executionState)
void	PipelinedRegionSchedulingStrategy.onExecutionStateChange(ExecutionVertexID executionVertexId, ExecutionState executionState)
void	SchedulingStrategy.onExecutionStateChange(ExecutionVertexID executionVertexId, ExecutionState executionState) Called whenever an Execution changes its state.

Method parameters in org.apache.flink.runtime.scheduler.strategy with type arguments of type ExecutionVertexID

Modifier and Type	Method and Description
InputConsumableDecider	InputConsumableDecider.Factory.createInstance(SchedulingTopology schedulingTopology, Function<ExecutionVertexID,Boolean> scheduledVertexRetriever)
InputConsumableDecider	AllFinishedInputConsumableDecider.Factory.createInstance(SchedulingTopology schedulingTopology, Function<ExecutionVertexID,Boolean> scheduledVertexRetriever)
InputConsumableDecider	PartialFinishedInputConsumableDecider.Factory.createInstance(SchedulingTopology schedulingTopology, Function<ExecutionVertexID,Boolean> scheduledVertexRetriever)
InputConsumableDecider	DefaultInputConsumableDecider.Factory.createInstance(SchedulingTopology schedulingTopology, Function<ExecutionVertexID,Boolean> scheduledVertexRetriever)
static ConsumerVertexGroup	ConsumerVertexGroup.fromMultipleVertices(List<ExecutionVertexID> vertices, ResultPartitionType resultPartitionType)
boolean	InputConsumableDecider.isInputConsumable(SchedulingExecutionVertex executionVertex, Set<ExecutionVertexID> verticesToSchedule, Map<ConsumedPartitionGroup,Boolean> consumableStatusCache) Determining whether the input of an execution vertex is consumable.
boolean	AllFinishedInputConsumableDecider.isInputConsumable(SchedulingExecutionVertex executionVertex, Set<ExecutionVertexID> verticesToDeploy, Map<ConsumedPartitionGroup,Boolean> consumableStatusCache)
boolean	PartialFinishedInputConsumableDecider.isInputConsumable(SchedulingExecutionVertex executionVertex, Set<ExecutionVertexID> verticesToDeploy, Map<ConsumedPartitionGroup,Boolean> consumableStatusCache)
boolean	DefaultInputConsumableDecider.isInputConsumable(SchedulingExecutionVertex executionVertex, Set<ExecutionVertexID> verticesToSchedule, Map<ConsumedPartitionGroup,Boolean> consumableStatusCache)
void	VertexwiseSchedulingStrategy.notifySchedulingTopologyUpdated(SchedulingTopology schedulingTopology, List<ExecutionVertexID> newExecutionVertices)
void	VertexwiseSchedulingStrategy.restartTasks(Set<ExecutionVertexID> verticesToRestart)
void	PipelinedRegionSchedulingStrategy.restartTasks(Set<ExecutionVertexID> verticesToRestart)
void	SchedulingStrategy.restartTasks(Set<ExecutionVertexID> verticesToRestart) Called whenever vertices need to be restarted (due to task failure).