## Package org.apache.hadoop.streaming

`Hadoop Streaming` is a utility which allows users to create and run Map-Reduce jobs with any executables (e.g.

See:
Description

Class Summary
Environment: This is a class used to get the current environment on the host machines running the map/reduce.
HadoopStreaming: The main entrypoint.
JarBuilder: This class is the main class for generating job.jar for Hadoop Streaming jobs.
PathFinder: Maps a relative pathname to an absolute pathname using the PATH enviroment.
PipeCombiner
PipeMapper: A generic Mapper bridge.
PipeMapRed: Shared functionality for PipeMapper, PipeReducer.
PipeMapRunner<K1,V1,K2,V2>
PipeReducer: A generic Reducer bridge.
StreamBaseRecordReader: Shared functionality for hadoopStreaming formats.
StreamInputFormat: An input format that selects a RecordReader based on a JobConf property.
StreamJob: All the client-side work happens here.
StreamKeyValUtil
StreamUtil: Utilities not available elsewhere in Hadoop.
StreamXmlRecordReader: A way to interpret XML fragments as Mapper input records.
UTF8ByteArrayUtils: Deprecated. use `UTF8ByteArrayUtils` and `StreamKeyValUtil` instead

## Package org.apache.hadoop.streaming Description

`Hadoop Streaming` is a utility which allows users to create and run Map-Reduce jobs with any executables (e.g. Unix shell utilities) as the mapper and/or the reducer.

Copyright © 2009 The Apache Software Foundation