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


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More MapReduce Interview Questions

what is a Task Tracker in Hadoop?

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what happens in textinformat ?

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How to sort intermediate output based on values in MapReduce?

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

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what is storage and compute nodes?

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Explain how mapreduce works.

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Can we set the number of reducers to zero in MapReduce?

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

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For a job in Hadoop, is it possible to change the number of mappers to be created?

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How to submit extra files(jars,static files) for MapReduce job during runtime in Hadoop?

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Define the purpose of the partition function in mapreduce framework

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Where sorting is done in Hadoop MapReduce Job?

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