org.apache.tez.runtime.library.common.sort.impl
Class IFile

java.lang.Object
  extended by org.apache.tez.runtime.library.common.sort.impl.IFile

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

IFile is the simple 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
static class IFile.Reader
          IFile.Reader to read intermediate map-outputs.
static class IFile.Writer
          IFile.Writer to write out intermediate map-outputs.
 
Field Summary
static int EOF_MARKER
           
static org.apache.hadoop.io.DataInputBuffer REPEAT_KEY
           
static int RLE_MARKER
           
 
Constructor Summary
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

RLE_MARKER

public static final int RLE_MARKER
See Also:
Constant Field Values

REPEAT_KEY

public static final org.apache.hadoop.io.DataInputBuffer REPEAT_KEY
Constructor Detail

IFile

public IFile()


Copyright © 2014 Apache Software Foundation. All rights reserved.