how Hadoop is different from other data processing tools?
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Developing a MapReduce Application?
What is OutputCommitter?
Explain what is “map” and what is "reducer" in hadoop?
What counter in Hadoop MapReduce?
What is the difference between Reducer and Combiner in Hadoop MapReduce?
Explain how mapreduce works.
What is a TaskInstance?
Where is the output of Mapper written in Hadoop?
Clarify what is shuffling in map reduce?
What is shuffling in mapreduce?
How to optimize MapReduce Job?
Explain how do ‘map’ and ‘reduce’ work?
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