org.apache.hadoop.mapred

Class IFile

java.lang.Object

org.apache.hadoop.mapred.IFile

@InterfaceAudience.Private
 @InterfaceStability.Unstable
public class IFile
extends Object

IFile is the simple <key-len, value-len, key, value> format for the intermediate map-outputs in Map-Reduce. There is a Writer to write out map-outputs in this format and a Reader to read files of this format.

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	IFile.Reader<K,V> IFile.Reader to read intermediate map-outputs.
static class	IFile.Writer<K,V> IFile.Writer to write out intermediate map-outputs.

Field Summary

Fields

Modifier and Type	Field and Description
static int	EOF_MARKER

Constructor Summary

Constructors

Constructor and Description
IFile()

Method Summary

Methods inherited from class java.lang.Object

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

Field Detail

EOF_MARKER

public static final int EOF_MARKER

See Also:

Constant Field Values

Constructor Detail

IFile

public IFile()