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What are the advantages of using mapreduce with hadoop?
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What do you mean by inputformat?
Why can aggregation not be done in Mapper in MapReduce?
What are the key differences between Pig vs MapReduce?
Explain what is “map” and what is "reducer" in hadoop?
What do you know about nlineinputformat?
Mention what is the next step after mapper or maptask?
Clarify what combiners are and when you should utilize a combiner in a map reduce job?
What are the fundamental configurations parameters specified in map reduce?
Explain the process of spilling in MapReduce?
what is JobTracker in Hadoop? What are the actions followed by Hadoop?
What is the use of InputFormat in MapReduce process?
What is a TaskInstance?
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