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What Is Chain Mapper? |
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Answer» Chain MAPPER class is a special mapper class sets which run in a chain fashion within a single map task. It MEANS, ONE mapper input acts as another mapper’s input, in this way N NUMBER of mapper connected in chain fashion. Chain mapper class is a special mapper class sets which run in a chain fashion within a single map task. It means, one mapper input acts as another mapper’s input, in this way n number of mapper connected in chain fashion. |
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