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Map Reduce

-- Nagarjunak. Map Reduce. More Features. Combiner Counters MultipleInputFormat. Combiner. A local reducer conf.setCombinerClass ( LongSumReducer.class ); .

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Map Reduce

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  1. -- Nagarjunak Map Reduce nagarjuna@outlook.com

  2. More Features • Combiner • Counters • MultipleInputFormat nagarjuna@outlook.com

  3. Combiner • A local reducer • conf.setCombinerClass(LongSumReducer.class); nagarjuna@outlook.com

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