How to set the number of reducers?

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More MapReduce Interview Questions

Clarify what combiners are and when you should utilize a combiner in a map reduce job?

What is the process of changing the split size if there is limited storage space on Commodity Hardware?

How hadoop mapreduce works?

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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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