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How does MapReduce framework view its input internally?
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Name job control options specified by mapreduce.
What is reduce side join in mapreduce?
Explain the sequence of execution of all the components of MapReduce like a map, reduce, recordReader, split, combiner, partitioner, sort, shuffle.
Explain what is “map” and what is "reducer" in hadoop?
What is the Job interface in MapReduce framework?
Explain what combiners are and when you should use a combiner in a mapreduce job?
How to configure the number of the Combiner in MapReduce?
What happen if the number of the reducer is 0 in MapReduce?
Explain what does the conf.setMapper Class do in MapReduce?
what job does the conf class do?
What is InputFormat in Hadoop MapReduce?
Explain the general mapreduce algorithm
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