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How can we control particular key should go in a specific reducer?


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More MapReduce Interview Questions

What is sqoop in Hadoop ?

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What is the data storage component used by Hadoop?

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What happens when the node running the map task fails before the map output has been sent to the reducer?

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What is an identity mapper and identity reducer?

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What combiners are and when you should utilize a combiner in a map reduce job?

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Explain Working of MapReduce?

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Compare Pig vs Hive vs Hadoop MapReduce?

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What is OutputCommitter?

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What are the fundamental configurations parameters specified in map reduce?

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What is Counter in MapReduce?

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Why MapReduce uses the key-value pair to process the data?

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What is identity mapper and chain mapper?

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