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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For a job in Hadoop, is it possible to change the number of mappers to be created?
what happens when Hadoop spawned 50 tasks for a job and one of the task failed?
What is Distributed Cache in the MapReduce Framework?
What is the need of MapReduce in Hadoop?
How can you add the arbitrary key-value pairs in your mapper?
What is Shuffling and Sorting in a MapReduce?
Is it mandatory to set input and output type/format in MapReduce?
Developing a MapReduce Application?
What is MapReduce? What are the syntax you use to run a MapReduce program?
What is a "reducer" in Hadoop?
what is NameNode in Hadoop?
What is the inputsplit in map reduce software?
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