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Is it necessary to write a mapreduce job in java?
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How to set the number of reducers?
What are the four essential parameters of a mapper?
What is the utility of using Writable Comparable Custom Class in Map Reduce code?
What do you mean by shuffling and sorting in MapReduce?
what are the basic parameters of a Mapper?
With the help of two examples name the map and reduce function purpose
What happens when the node running the map task fails before the map output has been sent to the reducer?
What is shuffling and sorting in mapreduce?
Where the mapper's intermediate data will be stored?
Compare Pig vs Hive vs Hadoop MapReduce?
How many InputSplits is made by a Hadoop Framework?
Mention what are the main configuration parameters that user need to specify to run mapreduce job?
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