Package org.apache.hadoop.mapreduce.lib.chain

Class Summary
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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