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In which kind of scenarios MapReduce jobs will be more useful than PIG in Hadoop?
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Mention what are the main configuration parameters that user need to specify to run mapreduce job?
Explain the process of spilling in MapReduce?
what is "map" and what is "reducer" in Hadoop?
How many InputSplits is made by a Hadoop Framework?
What is Mapper in Hadoop MapReduce?
What is Text Input Format?
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