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


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More MapReduce Interview Questions

What is the difference between Reducer and Combiner in Hadoop MapReduce?

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What is a combiner and where you should use it?

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How to specify more than one directory as input in the Hadoop MapReduce Program?

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Explain what you understand by speculative execution

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Map reduce jobs are failing on a cluster that was just restarted. They worked before restart. What could be wrong?

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

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Explain Working of MapReduce?

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How to submit extra files(jars, static files) for MapReduce job during runtime?

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What is OutputCommitter?

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In Hadoop what is InputSplit?

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Explain the process of spilling in Hadoop MapReduce?

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Difference between mapreduce and spark

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