Sangjin Lee created MAPREDUCE-5069:
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Summary: add concrete common implementations of
CombineFileInputFormat
Key: MAPREDUCE-5069
URL: https://issues.apache.org/jira/browse/MAPREDUCE-5069
Project: Hadoop Map/Reduce
Issue Type: Improvement
Components: mrv1, mrv2
Affects Versions: 2.0.3-alpha
Reporter: Sangjin Lee
Priority: Minor
CombineFileInputFormat is abstract, and its specific equivalents to
TextInputFormat, SequenceFileInputFormat, etc. are currently not in the hadoop
code base.
These sound like very common need wherever CombineFileInputFormat is used, and
different folks would write the same code over and over to achieve the same
goal. It sounds very natural for hadoop to provide at least the text and
sequence file implementations of the CombineFileInputFormat class.
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