Package org.apache.pig.backend.hadoop.executionengine.mapReduceLayer

Added Classes
NoopFilterRemoverUtil
PigInputFormat.RecordReaderFactory	Helper class to create record reader
PigMapBase
PigMapBase.IllustratorContext
PigMapReduce
PigMapReduce.Reduce
PigMapReduce.Reduce.IllustratorContextImpl
PigMapReduce.Reduce.IllustratorContextImpl. IllustratorValueIterable
PigMapReduce.Reduce.IllustratorContextImpl. IllustratorValueIterator

 

Changed Classes and Interfaces
PigHadoopLogger	A singleton class that implements the PigLogger interface for use in map reduce context.
PigInputFormat
PigReducerEstimator	Interface to implement when you want to use a custom approach to estimating the number of reducers for a job.
PigSplit	The main split class that maintains important information about the input split.
PigStatsOutputSizeReader	Interface to implement when you want to customize the way of computing the size of output in PigStats.