A number of combiners can be changed or not in MapReduce?


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More MapReduce Interview Questions

what are the basic parameters of a Mapper?

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What is a mapreduce algorithm?

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Mention Hadoop core components?

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How to set the number of reducers?

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Explain the process of spilling in Hadoop MapReduce?

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How can we control particular key should go in a specific reducer?

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When should you use a reducer?

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What does a split do?

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Can we submit the mapreduce job from slave node?

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In MapReduce Data Flow, when Combiner is called?

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What are the disservices of utilizing Apache Spark over Hadoop MapReduce?

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Detail description of the Reducer phases?

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