How to create a custom key and custom value in MapReduce Job?


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More MapReduce Interview Questions

How does MapReduce framework view its input internally?

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MapReduce Types and Formats and Setting up a Hadoop Cluster?

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What happen if the number of the reducer is 0 in MapReduce?

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What is the difference between Hadoop and RDBMS?

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What is an identity mapper and identity reducer?

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Why is Apache Spark faster than Hadoop MapReduce?

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How do reducers communicate with each other?

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What is heartbeat in hdfs? Explain.

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What comes in Hadoop 2.0 and MapReduce V2 YARN

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What is the job of blend () and repartition () in Map Reduce?

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Where the mapper's intermediate data will be stored?

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What is heartbeat in hdfs?

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