How to set the number of mappers to be created in MapReduce?


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More MapReduce Interview Questions

How many Reducers run for a MapReduce job?

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Map reduce jobs take too long. What can be done to improve the performance of the cluster?

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How to set the number of reducers?

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How do Hadoop MapReduce works?

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What is the relation between MapReduce and Hive?

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Is reduce-only job possible in Hadoop MapReduce?

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What do you mean by data locality?

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Explain what is shuffling in mapreduce?

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What is the core of the job in MapReduce framework?

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Detail description of the Reducer phases?

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Explain slot in Hadoop Map-Reduce v1?

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what is JobTracker in Hadoop? What are the actions followed by Hadoop?

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