Add streaming config option for not emitting the key
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Key: MAPREDUCE-1785
URL: https://issues.apache.org/jira/browse/MAPREDUCE-1785
Project: Hadoop Map/Reduce
Issue Type: Improvement
Components: contrib/streaming
Affects Versions: 0.22.0
Reporter: Eli Collins
Assignee: Eli Collins
Priority: Minor
Fix For: 0.22.0
PipeMapper currently does not emit the key when using TextInputFormat. If you switch to input
formats (eg LzoTextInputFormat) the key will be emitted. We should add an option so users
can explicitly make streaming not emit the key so they can change input formats without breaking
or having to modify their existing programs.
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