Package | Description |
---|---|
org.apache.hadoop.mapred |
A software framework for easily writing applications which process vast
amounts of data (multi-terabyte data-sets) parallelly on large clusters
(thousands of nodes) built of commodity hardware in a reliable, fault-tolerant
manner.
|
org.apache.hadoop.mapreduce.task |
Modifier and Type | Class and Description |
---|---|
class |
TaskAttemptContextImpl
Deprecated.
Use
TaskAttemptContextImpl
instead. |
Modifier and Type | Class and Description |
---|---|
class |
MapContextImpl<KEYIN,VALUEIN,KEYOUT,VALUEOUT>
The context that is given to the
Mapper . |
class |
ReduceContextImpl<KEYIN,VALUEIN,KEYOUT,VALUEOUT>
The context passed to the
Reducer . |
class |
TaskInputOutputContextImpl<KEYIN,VALUEIN,KEYOUT,VALUEOUT>
A context object that allows input and output from the task.
|
Copyright © 2009 The Apache Software Foundation