How data is spilt in Hadoop?
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What are the four essential parameters of a mapper?
What is partitioning in MapReduce?
What is MapReduce in Hadoop?
What is an input reader in reference to mapreduce?
Mention what is the next step after mapper or maptask?
What is shuffleing in mapreduce?
What combiners is and when you should use a combiner in a MapReduce Job?
How many Mappers run for a MapReduce job?
What are the various configuration parameters required to run a mapreduce job?
what happens in textinformat ?
With the help of two examples name the map and reduce function purpose
What is the need of key-value pair to process the data in MapReduce?
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