Package org.apache.hadoop.mapred

Changed Classes and Interfaces
Counters	A set of named counters.
FileOutputCommitter	An OutputCommitter that commits files specified in job output directory i.e.
InputFormat	InputFormat describes the input-specification for a Map-Reduce job.
InputSplit	InputSplit represents the data to be processed by an individual Mapper
InputSplitWithLocationInfo
JobConf	A map/reduce job configuration.
JobConfigurable	That what may be configured.
JobContext
MapRunnable	Expert: Generic interface for
Mapper	Maps input key/value pairs to a set of intermediate key/value pairs.
OutputCollector	Collects the <key value> pairs output by an
OutputCommitter	OutputCommitter describes the commit of task output for a Map-Reduce job.
OutputFormat	OutputFormat describes the output-specification for a Map-Reduce job.
Partitioner	Partitions the key space.
RecordReader	RecordReader reads <key value> pairs from an InputSplit
RecordWriter	RecordWriter writes the output <key value> pairs to an output file.
Reducer	Reduces a set of intermediate values which share a key to a smaller set of values.
Reporter	A facility for Map-Reduce applications to report progress and update counters status information etc.
RunningJob	RunningJob is the user-interface to query for details on a running Map-Reduce job.
TaskAttemptContext