What combiners are and when you should use a combiner in a mapreduce job?
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How will you submit extra files or data ( like jars, static files, etc. ) For a mapreduce job during runtime?
What is shuffling and sorting in Hadoop MapReduce?
How to configure the number of the Combiner in MapReduce?
List out Hadoop's three configuration files?
Explain what are the basic parameters of a mapper?
What is the Reducer used for?
Is it important for Hadoop MapReduce jobs to be written in Java?
What is MapReduce?
What are the advantages of using map side join in mapreduce?
Write a short note on the disadvantages of mapreduce
What is the need of MapReduce in Hadoop?
What is map/reduce job in hadoop?
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