org.apache.hadoop.mapred

Class ReduceTask.ReduceCopier.MapOutput

java.lang.Object

org.apache.hadoop.mapred.ReduceTask.ReduceCopier.MapOutput

Enclosing class:

ReduceTask.ReduceCopier<K,V>

public static class ReduceTask.ReduceCopier.MapOutput
extends Object

Describes the output of a map; could either be on disk or in-memory.

Constructor Summary

Constructors

Constructor and Description
ReduceTask.ReduceCopier.MapOutput(TaskID mapId, TaskAttemptID mapAttemptId, byte[] data, int compressedLength)
ReduceTask.ReduceCopier.MapOutput(TaskID mapId, TaskAttemptID mapAttemptId, org.apache.hadoop.conf.Configuration conf, org.apache.hadoop.fs.Path file, long size)

Method Summary

Methods

Modifier and Type	Method and Description
void	discard()

Methods inherited from class java.lang.Object

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

Constructor Detail

ReduceTask.ReduceCopier.MapOutput

public ReduceTask.ReduceCopier.MapOutput(TaskID mapId,
                                 TaskAttemptID mapAttemptId,
                                 org.apache.hadoop.conf.Configuration conf,
                                 org.apache.hadoop.fs.Path file,
                                 long size)

ReduceTask.ReduceCopier.MapOutput

public ReduceTask.ReduceCopier.MapOutput(TaskID mapId,
                                 TaskAttemptID mapAttemptId,
                                 byte[] data,
                                 int compressedLength)

Method Detail

discard

public void discard()
             throws IOException

Throws:

IOException