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Can we set the number of reducers to zero in MapReduce?
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More MapReduce Interview Questions
What is a distributed cache in mapreduce framework?
Why Hadoop MapReduce?
Explain how do ‘map’ and ‘reduce’ work?
What is the sequence of execution of Mapper, Combiner, and Partitioner in MapReduce?
Which interface needs to be implemented to create Mapper and Reducer for the Hadoop?
What is MapReduce? What are the syntax you use to run a MapReduce program?
What is the job of blend () and repartition () in Map Reduce?
What is mapreduce algorithm?
What is a combiner and where you should use it?
How to set the number of mappers for a MapReduce job?
What does a split do?
Explain combiners.
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