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What happens when a DataNode fails during the write process?
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Difference between mapreduce and spark
Explain the Reducer's Sort phase?
Clarify what combiners are and when you should utilize a combiner in a map reduce job?
What is the difference between map and reduce?
Why Mapper runs in heavy weight process and not in a thread in MapReduce?
Define the purpose of the partition function in mapreduce framework
What are the four essential parameters of a mapper?
What is a partitioner and how the user can control which key will go to which reducer?
What is the default input type in MapReduce?
Is there any point of learning mapreduce, then?
What is the function of mapreduce partitioner?
What is MapReduce? What are the syntax you use to run a MapReduce program?
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