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Illustrate a simple example of the working of MapReduce.
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More MapReduce Interview Questions
Clarify what is shuffling in map reduce?
What is mapper in map reduce?
Does Partitioner run in its own JVM or shares with another process?
Can you tell us how many daemon processes run on a hadoop system?
How to write a custom partitioner for a Hadoop MapReduce job?
What are advantages of Spark over MapReduce?
In MapReduce how to change the name of the output file from part-r-00000?
What are the four essential parameters of a mapper?
What is the relationship between Job and Task in Hadoop?
Explain the Reducer's reduce phase?
Can there be no Reducer?
What is the difference between HDFS block and input split?
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