org.apache.tez.dag.app.rm

Class TaskSchedulerService

java.lang.Object

org.apache.hadoop.service.AbstractService

org.apache.tez.dag.app.rm.TaskSchedulerService

All Implemented Interfaces:

Closeable, AutoCloseable, org.apache.hadoop.service.Service

Direct Known Subclasses:

LocalTaskSchedulerService, YarnTaskSchedulerService

public abstract class TaskSchedulerService
extends org.apache.hadoop.service.AbstractService

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static interface	TaskSchedulerService.TaskSchedulerAppCallback

Nested classes/interfaces inherited from interface org.apache.hadoop.service.Service

org.apache.hadoop.service.Service.STATE

Constructor Summary

Constructors

Constructor and Description
TaskSchedulerService(String name)

Method Summary

Methods

Modifier and Type	Method and Description
abstract void	allocateTask(Object task, org.apache.hadoop.yarn.api.records.Resource capability, org.apache.hadoop.yarn.api.records.ContainerId containerId, org.apache.hadoop.yarn.api.records.Priority priority, Object containerSignature, Object clientCookie) Allocate affinitized to a specific container
abstract void	allocateTask(Object task, org.apache.hadoop.yarn.api.records.Resource capability, String[] hosts, String[] racks, org.apache.hadoop.yarn.api.records.Priority priority, Object containerSignature, Object clientCookie)
abstract void	blacklistNode(org.apache.hadoop.yarn.api.records.NodeId nodeId)
abstract Object	deallocateContainer(org.apache.hadoop.yarn.api.records.ContainerId containerId)
abstract boolean	deallocateTask(Object task, boolean taskSucceeded)
abstract org.apache.hadoop.yarn.api.records.Resource	getAvailableResources()
abstract int	getClusterNodeCount()
abstract org.apache.hadoop.yarn.api.records.Resource	getTotalResources()
abstract boolean	hasUnregistered()
abstract void	resetMatchLocalityForAllHeldContainers()
abstract void	setShouldUnregister()
abstract void	unblacklistNode(org.apache.hadoop.yarn.api.records.NodeId nodeId)

Methods inherited from class org.apache.hadoop.service.AbstractService

close, getBlockers, getConfig, getFailureCause, getFailureState, getLifecycleHistory, getName, getServiceState, getStartTime, init, isInState, noteFailure, putBlocker, registerGlobalListener, registerServiceListener, removeBlocker, serviceInit, serviceStart, serviceStop, setConfig, start, stop, toString, unregisterGlobalListener, unregisterServiceListener, waitForServiceToStop

Methods inherited from class java.lang.Object

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

Constructor Detail

TaskSchedulerService

public TaskSchedulerService(String name)

Method Detail

getAvailableResources

public abstract org.apache.hadoop.yarn.api.records.Resource getAvailableResources()

getClusterNodeCount

public abstract int getClusterNodeCount()

resetMatchLocalityForAllHeldContainers

public abstract void resetMatchLocalityForAllHeldContainers()

getTotalResources

public abstract org.apache.hadoop.yarn.api.records.Resource getTotalResources()

blacklistNode

public abstract void blacklistNode(org.apache.hadoop.yarn.api.records.NodeId nodeId)

unblacklistNode

public abstract void unblacklistNode(org.apache.hadoop.yarn.api.records.NodeId nodeId)

allocateTask

public abstract void allocateTask(Object task,
                org.apache.hadoop.yarn.api.records.Resource capability,
                String[] hosts,
                String[] racks,
                org.apache.hadoop.yarn.api.records.Priority priority,
                Object containerSignature,
                Object clientCookie)

allocateTask

public abstract void allocateTask(Object task,
                org.apache.hadoop.yarn.api.records.Resource capability,
                org.apache.hadoop.yarn.api.records.ContainerId containerId,
                org.apache.hadoop.yarn.api.records.Priority priority,
                Object containerSignature,
                Object clientCookie)

Allocate affinitized to a specific container

deallocateTask

public abstract boolean deallocateTask(Object task,
                     boolean taskSucceeded)

deallocateContainer

public abstract Object deallocateContainer(org.apache.hadoop.yarn.api.records.ContainerId containerId)

setShouldUnregister

public abstract void setShouldUnregister()

hasUnregistered

public abstract boolean hasUnregistered()