Explain the Reducer's Sort phase?


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More MapReduce Interview Questions

What is the function of mapreducer partitioner?

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what is Speculative Execution?

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In MapReduce, ideally how many mappers should be configured on a slave?

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What are the four essential parameters of a mapper?

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What is Text Input Format?

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What can be optimum value for Reducer?

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when do reducers play their role in a mapreduce task?

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How does fault tolerance work in mapreduce?

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Define MapReduce?

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What is MapReduce in Hadoop?

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What do you mean by inputformat?

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Explain what is “map” and what is "reducer" in hadoop?

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