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Explain How Input And Output Data Format Of The Hadoop Framework? |
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Answer» The MapReduce framework operates exclusively on pairs, that is, the framework views the INPUT to the JOB as a set of pairs and PRODUCES a set of pairs as the OUTPUT of the job, conceivably of different types. See the flow mentioned below (input) -> map -> -> combine/sorting -> -> reduce -> (output) The MapReduce framework operates exclusively on pairs, that is, the framework views the input to the job as a set of pairs and produces a set of pairs as the output of the job, conceivably of different types. See the flow mentioned below (input) -> map -> -> combine/sorting -> -> reduce -> (output) |
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