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Explain the general mapreduce algorithm
What is mapper in map reduce?
What happens if the quantity of the reducer is 0 in mapreduce?
Clarify what combiners are and when you should utilize a combiner in a map reduce job?
Clarify what is shuffling in map reduce?
What are the fundamental configurations parameters specified in map reduce?
What combiners are and when you should utilize a combiner in a map reduce job?
What are the four essential parameters of a mapper?
Mention what is the hadoop mapreduce apis contract for a key and value class?
Explain what combiners are and when you should use a combiner in a mapreduce job?
What is the function of mapreduce partitioner?
What combiners are and when you should use a combiner in a mapreduce job?
Explain what is “map” and what is "reducer" in hadoop?
Explain what does the conf.setmapper class do?
Explain what are the basic parameters of a mapper?
