What can be optimum value for Reducer?
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What is the input type/format in MapReduce by default?
What is Counter in MapReduce?
What combiners are and when you should utilize a combiner in a map reduce job?
What is the difference between map and reduce?
what are the three modes in which Hadoop can be run?
How to create a custom key and custom value in MapReduce Job?
What Are Good Use Cases For Impala As Opposed To Hive Or MapReduce?
What are the four essential parameters of a mapper?
With the help of two examples name the map and reduce function purpose
What is the default input type in MapReduce?
What are the advantages of using mapreduce with hadoop?
How to write MapReduce Programs?
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