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How do ‘map’ and ‘reduce’ work?
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More MapReduce Interview Questions
What do you mean by data locality?
Can you tell us how many daemon processes run on a hadoop system?
Detail description of the Reducer phases?
How to set the number of mappers to be created in MapReduce?
How to set which framework would be used to run mapreduce program?
What is MapReduce? What are the syntax you use to run a MapReduce program?
For a job in Hadoop, is it possible to change the number of mappers to be created?
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What is shuffling in mapreduce?
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