Explain what is “map” and what is "reducer" in hadoop?
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What is Shuffling and Sorting in a MapReduce?
How will you submit extra files or data ( like jars, static files, etc. ) For a mapreduce job during runtime?
Which interface needs to be implemented to create Mapper and Reducer for the Hadoop?
With the help of two examples name the map and reduce function purpose
What are the fundamental configurations parameters specified in map reduce?
what is Speculative Execution?
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Explain slot in Hadoop Map-Reduce v1?
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What is the role of a MapReduce partitioner?
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