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


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More MapReduce Interview Questions

When should you use a reducer?

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What is the process of changing the split size if there is limited storage space on Commodity Hardware?

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Which are the methods in the mapper interface?

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what is NameNode in Hadoop?

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Which Sorting algorithm is used in Hadoop MapReduce?

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Explain how do ‘map’ and ‘reduce’ work?

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What is the function of mapreducer partitioner?

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What do you mean by shuffling and sorting in MapReduce?

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What is Distributed Cache in the MapReduce Framework?

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how Hadoop is different from other data processing tools?

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What are the benefits of Spark over MapReduce?

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What do sorting and shuffling do?

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