Define speculative execution?
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Developing a MapReduce Application?
What is the sequence of execution of Mapper, Combiner, and Partitioner in MapReduce?
How to set which framework would be used to run mapreduce program?
Explain what are the basic parameters of a mapper?
What happens when a datanode fails ?
What MapReduce framework consists of?
How to create custom key and custom value in MapReduce Job?
What do you know about nlineinputformat?
What are the primary phases of a Reducer?
how to proceed to write your first mapreducer program?
Name job control options specified by mapreduce.
Clarify what combiners are and when you should utilize a combiner in a map reduce job?