Where sorting is done in Hadoop MapReduce Job?


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More MapReduce Interview Questions

List the network requirements for using Hadoop ?

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How to set the number of reducers?

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What is a map side join?

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Whether the output of mapper or output of partitioner written on local disk?

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What is the relationship between Job and Task in Hadoop?

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How to get the single file as the output from MapReduce Job?

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Explain job scheduling through JobTracker

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Explain the sequence of execution of all the components of MapReduce like a map, reduce, recordReader, split, combiner, partitioner, sort, shuffle.

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Explain Working of MapReduce?

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What do you understand by compute and storage nodes?

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What is the fundamental difference between a MapReduce InputSplit and HDFS block?

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Is it mandatory to set input and output type/format in MapReduce?

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