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


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More MapReduce Interview Questions

How to specify more than one directory as input in the Hadoop MapReduce Program?

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What are the various input and output types supported by mapreduce?

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What are the identity mapper and reducer in MapReduce?

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what is a sequence file in Hadoop?

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Which one will you decide for an undertaking – Hadoop MapReduce or Apache Spark?

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What is the problem with the small file in Hadoop?

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How is mapreduce related to cloud computing?

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How is reporting controlled in hadoop?

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Explain what is “map” and what is "reducer" in hadoop?

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Which among the two is preferable for the project- Hadoop MapReduce or Apache Spark?

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Different ways of debugging a job in MapReduce?

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What is an identity mapper and identity reducer?

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