What is shuffling and sorting in Hadoop MapReduce?


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More MapReduce Interview Questions

What is the Hadoop MapReduce API contract for a key and value Class?

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What are the key differences between Pig vs MapReduce?

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What is Output Format in MapReduce?

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What is the relation between MapReduce and Hive?

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what are the basic parameters of a Mapper?

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How many InputSplits is made by a Hadoop Framework?

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

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Why is Apache Spark faster than Hadoop MapReduce?

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How to specify more than one directory as input in the Hadoop MapReduce Program?

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What is SequenceFileInputFormat in Hadoop MapReduce?

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What is the input type/format in MapReduce by default?

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Mention what are the main configuration parameters that user need to specify to run mapreduce job?

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