Explain the general mapreduce algorithm


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More MapReduce Interview Questions

What is RecordReader in a Map Reduce?

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How do reducers communicate with each other?

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What Are Good Use Cases For Impala As Opposed To Hive Or MapReduce?

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What is Hadoop Map Reduce ?

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Why Mapper runs in heavy weight process and not in a thread in MapReduce?

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What is a mapreduce algorithm?

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Define speculative execution?

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Where sorting is done on mapper node or reducer node in MapReduce?

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Explain the process of spilling in Hadoop MapReduce?

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mapper or reducer?

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What is MapReduce? What are the syntax you use to run a MapReduce program?

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Explain JobConf in MapReduce.

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