Class | Description |
---|---|
Chain |
The Chain class provides all the common functionality for the
ChainMapper and the ChainReducer classes. |
ChainMapper<KEYIN,VALUEIN,KEYOUT,VALUEOUT> |
The ChainMapper class allows to use multiple Mapper classes within a single
Map task.
|
ChainReducer<KEYIN,VALUEIN,KEYOUT,VALUEOUT> |
The ChainReducer class allows to chain multiple Mapper classes after a
Reducer within the Reducer task.
|
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