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Where is Mapper output stored?
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What are the the issues associated with the map and reduce slots based mechanism in mapReduce?
What is the key- value pair in MapReduce?
Is it necessary to write a mapreduce job in java?
Describe what happens to a mapreduce job from submission to output?
How to set the number of reducers?
Detail description of the Reducer phases?
What are the advantages of using mapreduce with hadoop?
For a job in Hadoop, is it possible to change the number of mappers to be created?
What is the utility of using Writable Comparable Custom Class in Map Reduce code?
In Hadoop what is InputSplit?
What is shuffling and sorting in Hadoop MapReduce?
Which interface needs to be implemented to create Mapper and Reducer for the Hadoop?
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