What is the key- value pair in Hadoop MapReduce?
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Mention what is the next step after mapper or maptask?
What are the fundamental configurations parameters specified in map reduce?
Define MapReduce?
What do you mean by data locality?
What is the data storage component used by Hadoop?
what daemons run on a master node and slave nodes?
What is the role of a MapReduce partitioner?
What is LazyOutputFormat in MapReduce?
Explain combiners.
What is the difference between RDBMS with Hadoop MapReduce?
Explain about the partitioning, shuffle and sort phase
What is the job of blend () and repartition () in Map Reduce?
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