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


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More MapReduce Interview Questions

How to get the single file as the output from MapReduce Job?

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What is difference between an input split and hdfs block?

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Explain InputSplit in Hadoop MapReduce?

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What happens if the quantity of the reducer is 0 in mapreduce?

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What do sorting and shuffling do?

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What is the sequence of execution of Mapper, Combiner, and Partitioner in MapReduce?

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how Hadoop is different from other data processing tools?

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What is a "map" in Hadoop?

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When is the reducers are started in a MapReduce job?

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Which one will you decide for an undertaking – Hadoop MapReduce or Apache Spark?

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What are the data components used by Hadoop?

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What is a MapReduce Combiner?

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