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What is a map side join?


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More MapReduce Interview Questions

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

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Detail description of the Reducer phases?

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How to overwrite an existing output file/dir during execution of Hadoop MapReduce jobs?

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In Hadoop, which file controls reporting in Hadoop?

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Explain what does the conf.setmapper class do?

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what is a Task Tracker in Hadoop?

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Explain job scheduling through JobTracker

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What are ‘reduces’?

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When is it suggested to use a combiner in a MapReduce job?

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What is Distributed Cache in the MapReduce Framework?

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What is a partitioner and how the user can control which key will go to which reducer?

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What is a mapreduce algorithm?

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