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


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More MapReduce Interview Questions

what is the Hadoop MapReduce APIs contract for a key and value class?

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Is YARN a replacement of Hadoop MapReduce?

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When is the reducers are started in a MapReduce job?

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Explain what does the conf.setmapper class do?

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In mapreduce what is a scarce system resource? Explain?

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What is the function of mapreduce partitioner?

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Explain task granularity

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What are the various configuration parameters required to run a mapreduce job?

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In Hadoop what is InputSplit?

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What is the difference between map and reduce?

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Compare RDBMS with Hadoop MapReduce.

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

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