Package org.apache.hadoop.tools.rumen

Class ReduceTaskAttemptInfo

java.lang.Object

org.apache.hadoop.tools.rumen.TaskAttemptInfo

org.apache.hadoop.tools.rumen.ReduceTaskAttemptInfo

public class ReduceTaskAttemptInfo
extends TaskAttemptInfo

ReduceTaskAttemptInfo represents the information with regard to a reduce task attempt.

Field Summary

Fields inherited from class org.apache.hadoop.tools.rumen.TaskAttemptInfo

allSplits, state, taskInfo

Constructor Summary

Constructors

Constructor	Description
ReduceTaskAttemptInfo(org.apache.hadoop.mapred.TaskStatus.State state, TaskInfo taskInfo, long shuffleTime, long mergeTime, long reduceTime)	Deprecated. please use the constructor with (state, taskInfo, shuffleTime, mergeTime, reduceTime List<List<Integer>> allSplits) instead.
ReduceTaskAttemptInfo(org.apache.hadoop.mapred.TaskStatus.State state, TaskInfo taskInfo, long shuffleTime, long mergeTime, long reduceTime, java.util.List<java.util.List<java.lang.Integer>> allSplits)

Method Summary

Modifier and Type	Method	Description
long	getMergeRuntime()	Get the runtime for the merge phase of the reduce task-attempt
long	getReduceRuntime()	Get the runtime for the reduce phase of the reduce task-attempt.
long	getRuntime()	Get the total runtime for the task-attempt.
long	getShuffleRuntime()	Get the runtime for the shuffle phase of the reduce task-attempt.

Methods inherited from class org.apache.hadoop.tools.rumen.TaskAttemptInfo

getRunState, getSplitVector, getTaskInfo

Methods inherited from class java.lang.Object

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

Constructor Detail

ReduceTaskAttemptInfo

public ReduceTaskAttemptInfo(org.apache.hadoop.mapred.TaskStatus.State state,
                             TaskInfo taskInfo,
                             long shuffleTime,
                             long mergeTime,
                             long reduceTime,
                             java.util.List<java.util.List<java.lang.Integer>> allSplits)

ReduceTaskAttemptInfo

@Deprecated
public ReduceTaskAttemptInfo(org.apache.hadoop.mapred.TaskStatus.State state,
                             TaskInfo taskInfo,
                             long shuffleTime,
                             long mergeTime,
                             long reduceTime)

Deprecated.

please use the constructor with (state, taskInfo, shuffleTime, mergeTime, reduceTime List<List<Integer>> allSplits) instead. see LoggedTaskAttempt for an explanation of allSplits. If there are no known splits, use null.

Method Detail

getReduceRuntime

public long getReduceRuntime()

Get the runtime for the reduce phase of the reduce task-attempt.

Returns:

the runtime for the reduce phase of the reduce task-attempt

getShuffleRuntime

public long getShuffleRuntime()

Get the runtime for the shuffle phase of the reduce task-attempt.

Returns:

the runtime for the shuffle phase of the reduce task-attempt

getMergeRuntime

public long getMergeRuntime()

Get the runtime for the merge phase of the reduce task-attempt

Returns:

the runtime for the merge phase of the reduce task-attempt

getRuntime

public long getRuntime()

Description copied from class: TaskAttemptInfo

Get the total runtime for the task-attempt.

Specified by:

getRuntime in class TaskAttemptInfo

Returns:

the total runtime for the task-attempt