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What does conf.setmapper class do?


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More MapReduce Interview Questions

What is mapreduce algorithm?

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Name job control options specified by mapreduce.

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Differentiate Reducer and Combiner in Hadoop MapReduce?

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What is LazyOutputFormat in MapReduce?

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what is NameNode in Hadoop?

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how is data partitioned before it is sent to the reducer if no custom partitioner is defined in Hadoop?

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when do reducers play their role in a mapreduce task?

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What is the job of blend () and repartition () in Map Reduce?

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Why can aggregation not be done in Mapper in MapReduce?

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what is "map" and what is "reducer" in Hadoop?

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What is Data Locality in Hadoop?

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How hadoop mapreduce works?

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