HashPartitioner.java: org.apache.hadoop.mapred.lib
BenchmarkMapper.java: org.apache.hadoop.benchmarks.mapred
MuxOutputFormat.java: org.apache.hadoop.streaming
BenchmarkReducer.java: org.apache.hadoop.benchmarks.mapred
DefaultJobHistoryParser.java: org.apache.hadoop.mapred
HadoopStreaming.java: org.apache.hadoop.streaming
InverseMapper.java: org.apache.hadoop.mapred.lib
PipeCombiner.java: org.apache.hadoop.streaming
