Is it important for Hadoop MapReduce jobs to be written in Java?


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More MapReduce Interview Questions

What is identity mapper and identity reducer?

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What is the use of InputFormat in MapReduce process?

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How is Spark not quite the same as MapReduce? Is Spark quicker than MapReduce?

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What are combiners? When should I use a combiner in my MapReduce Job?

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Mention when to use Map reduce mode?

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What is the difference between Job and Task in MapReduce?

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What is the default value of map and reduce max attempts?

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Is YARN a replacement of Hadoop MapReduce?

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Explain the sequence of execution of all the components of MapReduce like a map, reduce, recordReader, split, combiner, partitioner, sort, shuffle.

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Clarify what is shuffling in map reduce?

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What is an input reader in reference to mapreduce?

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How to change the name of the output file from part-r-00000 in Hadoop MapReduce?

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