@InterfaceAudience.Private @InterfaceStability.Unstable

Package org.apache.hadoop.mapreduce.task.reduce

Class Summary
InMemoryReader<K,V> IFile.InMemoryReader to read map-outputs present in-memory.
InMemoryWriter<K,V>  
MergeManager<K,V>  
Shuffle<K,V>  
ShuffleHeader Shuffle Header information that is sent by the TaskTracker and deciphered by the Fetcher thread of Reduce task
 

Exception Summary
Shuffle.ShuffleError  
 



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