org.apache.tez.dag.app.dag.impl

Class TaskAttemptImpl

java.lang.Object

org.apache.tez.dag.app.dag.impl.TaskAttemptImpl

All Implemented Interfaces:

org.apache.hadoop.yarn.event.EventHandler<TaskAttemptEvent>, TaskAttempt

public class TaskAttemptImpl
extends Object
implements TaskAttempt, org.apache.hadoop.yarn.event.EventHandler<TaskAttemptEvent>

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
protected static class	TaskAttemptImpl.ContainerCompletedBeforeRunningTransition
protected static class	TaskAttemptImpl.ContainerCompletedWhileRunningTransition
protected static class	TaskAttemptImpl.ContainerCompletedWhileTerminating
protected static class	TaskAttemptImpl.ContainerTerminatingBeforeRunningTransition
protected static class	TaskAttemptImpl.DiagnosticInformationUpdater
protected static class	TaskAttemptImpl.FailedTransitionHelper
protected static class	TaskAttemptImpl.KilledTransitionHelper
protected static class	TaskAttemptImpl.NodeFailedBeforeRunningTransition
protected static class	TaskAttemptImpl.OutputConsumableTransition
protected static class	TaskAttemptImpl.OutputReportedFailedTransition
protected static class	TaskAttemptImpl.RecoverTransition
protected static class	TaskAttemptImpl.ScheduleTaskattemptTransition
protected static class	TaskAttemptImpl.StartedTransition
protected static class	TaskAttemptImpl.StatusUpdaterTransition
protected static class	TaskAttemptImpl.SucceededTransition
protected static class	TaskAttemptImpl.TerminatedAfterSuccessHelper
protected static class	TaskAttemptImpl.TerminatedAfterSuccessTransition
protected static class	TaskAttemptImpl.TerminatedBeforeRunningTransition
protected static interface	TaskAttemptImpl.TerminatedTransitionHelper
protected static class	TaskAttemptImpl.TerminatedWhileRunningTransition
protected static class	TaskAttemptImpl.TerminateTransition

Nested classes/interfaces inherited from interface org.apache.tez.dag.app.dag.TaskAttempt

TaskAttempt.TaskAttemptStatus

Field Summary

Fields

Modifier and Type	Field and Description
protected AppContext	appContext
protected org.apache.hadoop.conf.Configuration	conf
protected org.apache.hadoop.yarn.event.EventHandler	eventHandler
protected static TaskAttemptImpl.FailedTransitionHelper	FAILED_HELPER
protected boolean	isRescheduled
protected static TaskAttemptImpl.KilledTransitionHelper	KILLED_HELPER

Constructor Summary

Constructors

Constructor and Description

TaskAttemptImpl(org.apache.tez.dag.records.TezTaskID taskId, int attemptNumber, org.apache.hadoop.yarn.event.EventHandler eventHandler, TaskAttemptListener taskAttemptListener, org.apache.hadoop.conf.Configuration conf, org.apache.hadoop.yarn.util.Clock clock, TaskHeartbeatHandler taskHeartbeatHandler, AppContext appContext, boolean isRescheduled, org.apache.hadoop.yarn.api.records.Resource resource, ContainerContext containerContext, boolean leafVertex)

Method Summary

Methods

Modifier and Type	Method and Description
org.apache.hadoop.yarn.api.records.Container	getAssignedContainer()
org.apache.hadoop.yarn.api.records.ContainerId	getAssignedContainerID()
String	getAssignedContainerMgrAddress()
org.apache.tez.common.counters.TezCounters	getCounters()
org.apache.tez.dag.records.TezDAGID	getDAGID()
List<String>	getDiagnostics()
long	getFinishTime()
org.apache.tez.dag.records.TezTaskAttemptID	getID()
TaskAttemptStateInternal	getInternalState()
boolean	getIsRescheduled()
long	getLaunchTime()
String	getNodeHttpAddress() If container Assigned then return the node's address, otherwise null.
org.apache.hadoop.yarn.api.records.NodeId	getNodeId()
String	getNodeRackName() If container Assigned then return the node's rackname, otherwise null.
float	getProgress()
TaskAttemptReport	getReport()
TaskAttemptState	getState()
TaskAttemptState	getStateNoLock()
Task	getTask()
org.apache.tez.dag.records.TezTaskID	getTaskID()
protected org.apache.tez.dag.api.TaskLocationHint	getTaskLocationHint()
org.apache.tez.dag.records.TezVertexID	getVertexID()
void	handle(TaskAttemptEvent event)
boolean	isFinished() Has attempt reached the final state or not.
protected void	logJobHistoryAttemptFinishedEvent(TaskAttemptStateInternal state)
protected void	logJobHistoryAttemptStarted()
protected void	logJobHistoryAttemptUnsuccesfulCompletion(TaskAttemptState state)
protected String[]	resolveHosts(String[] src)
TaskAttemptState	restoreFromEvent(HistoryEvent historyEvent)
protected void	sendInputFailedToConsumers()
String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

conf

protected final org.apache.hadoop.conf.Configuration conf

eventHandler

protected org.apache.hadoop.yarn.event.EventHandler eventHandler

appContext

protected final AppContext appContext

isRescheduled

protected final boolean isRescheduled

FAILED_HELPER

protected static final TaskAttemptImpl.FailedTransitionHelper FAILED_HELPER

KILLED_HELPER

protected static final TaskAttemptImpl.KilledTransitionHelper KILLED_HELPER

Constructor Detail

TaskAttemptImpl

public TaskAttemptImpl(org.apache.tez.dag.records.TezTaskID taskId,
               int attemptNumber,
               org.apache.hadoop.yarn.event.EventHandler eventHandler,
               TaskAttemptListener taskAttemptListener,
               org.apache.hadoop.conf.Configuration conf,
               org.apache.hadoop.yarn.util.Clock clock,
               TaskHeartbeatHandler taskHeartbeatHandler,
               AppContext appContext,
               boolean isRescheduled,
               org.apache.hadoop.yarn.api.records.Resource resource,
               ContainerContext containerContext,
               boolean leafVertex)

Method Detail

getID

public org.apache.tez.dag.records.TezTaskAttemptID getID()

Specified by:

getID in interface TaskAttempt

getTaskID

public org.apache.tez.dag.records.TezTaskID getTaskID()

Specified by:

getTaskID in interface TaskAttempt

getVertexID

public org.apache.tez.dag.records.TezVertexID getVertexID()

Specified by:

getVertexID in interface TaskAttempt

getDAGID

public org.apache.tez.dag.records.TezDAGID getDAGID()

Specified by:

getDAGID in interface TaskAttempt

getReport

public TaskAttemptReport getReport()

Specified by:

getReport in interface TaskAttempt

getDiagnostics

public List<String> getDiagnostics()

Specified by:

getDiagnostics in interface TaskAttempt

getCounters

public org.apache.tez.common.counters.TezCounters getCounters()

Specified by:

getCounters in interface TaskAttempt

getProgress

public float getProgress()

Specified by:

getProgress in interface TaskAttempt

getState

public TaskAttemptState getState()

Specified by:

getState in interface TaskAttempt

getStateNoLock

public TaskAttemptState getStateNoLock()

Specified by:

getStateNoLock in interface TaskAttempt

isFinished

public boolean isFinished()

Description copied from interface: TaskAttempt

Has attempt reached the final state or not.

Specified by:

isFinished in interface TaskAttempt

Returns:

true if it has finished, else false

getAssignedContainerID

public org.apache.hadoop.yarn.api.records.ContainerId getAssignedContainerID()

Specified by:

getAssignedContainerID in interface TaskAttempt

Returns:

the container ID if a container is assigned, otherwise null.

getAssignedContainer

public org.apache.hadoop.yarn.api.records.Container getAssignedContainer()

Specified by:

getAssignedContainer in interface TaskAttempt

Returns:

the container if assigned, otherwise null

getAssignedContainerMgrAddress

public String getAssignedContainerMgrAddress()

Specified by:

getAssignedContainerMgrAddress in interface TaskAttempt

Returns:

container mgr address if a container is assigned, otherwise null.

getNodeId

public org.apache.hadoop.yarn.api.records.NodeId getNodeId()

Specified by:

getNodeId in interface TaskAttempt

Returns:

node's id if a container is assigned, otherwise null.

getNodeHttpAddress

public String getNodeHttpAddress()

If container Assigned then return the node's address, otherwise null.

Specified by:

getNodeHttpAddress in interface TaskAttempt

Returns:

node's http address if a container is assigned, otherwise null.

getNodeRackName

public String getNodeRackName()

If container Assigned then return the node's rackname, otherwise null.

Specified by:

getNodeRackName in interface TaskAttempt

Returns:

node's rack name if a container is assigned, otherwise null.

getLaunchTime

public long getLaunchTime()

Specified by:

getLaunchTime in interface TaskAttempt

Returns:

time at which container is launched. If container is not launched yet, returns 0.

getFinishTime

public long getFinishTime()

Specified by:

getFinishTime in interface TaskAttempt

Returns:

attempt's finish time. If attempt is not finished yet, returns 0.

getTask

public Task getTask()

Specified by:

getTask in interface TaskAttempt

handle

public void handle(TaskAttemptEvent event)

Specified by:

handle in interface org.apache.hadoop.yarn.event.EventHandler<TaskAttemptEvent>

getInternalState

public TaskAttemptStateInternal getInternalState()

getIsRescheduled

public boolean getIsRescheduled()

Specified by:

getIsRescheduled in interface TaskAttempt

restoreFromEvent

public TaskAttemptState restoreFromEvent(HistoryEvent historyEvent)

Specified by:

restoreFromEvent in interface TaskAttempt

getTaskLocationHint

protected org.apache.tez.dag.api.TaskLocationHint getTaskLocationHint()

resolveHosts

protected String[] resolveHosts(String[] src)

logJobHistoryAttemptStarted

protected void logJobHistoryAttemptStarted()

logJobHistoryAttemptFinishedEvent

protected void logJobHistoryAttemptFinishedEvent(TaskAttemptStateInternal state)

logJobHistoryAttemptUnsuccesfulCompletion

protected void logJobHistoryAttemptUnsuccesfulCompletion(TaskAttemptState state)

sendInputFailedToConsumers

protected void sendInputFailedToConsumers()

toString

public String toString()

Overrides:

toString in class Object