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Is it legal to set the number of reducer task to zero? Where the output will be stored in this case?
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Clarify what combiners are and when you should utilize a combiner in a map reduce job?
What is the need of key-value pair to process the data in MapReduce?
What is a combiner and where you should use it?
Where is Mapper output stored?
What is a Speculative Execution in Hadoop MapReduce?
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Developing a MapReduce Application?
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