What happen if the number of the reducer is 0 in MapReduce?
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What combiners is and when you should use a combiner in a MapReduce Job?
Explain about the basic parameters of mapper and reducer function
What is streaming?
Developing a MapReduce Application?
Explain what is “map” and what is "reducer" in hadoop?
What are the main configuration parameters in a MapReduce program?
Explain combiners.
How to get the single file as the output from MapReduce Job?
Define the purpose of the partition function in mapreduce framework
What is the core of the job in MapReduce framework?
Is Mapreduce Required For Impala? Will Impala Continue To Work As Expected If Mapreduce Is Stopped?
What is the role of recordreader in hadoop mapreduce?
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