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Is Mapreduce Required For Impala? Will Impala Continue To Work As Expected If Mapreduce Is Stopped?
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What is Reducer in MapReduce?
What is the Reducer used for?
What is shuffling and sorting in Hadoop MapReduce?
What is a mapreduce algorithm?
In which kind of scenarios MapReduce jobs will be more useful than PIG in Hadoop?
What is the Hadoop MapReduce API contract for a key and value Class?
A number of combiners can be changed or not in MapReduce?
What happens if the quantity of the reducer is 0 in mapreduce?
What are the main configuration parameters in a MapReduce program?
What is identity mapper and identity reducer?
Difference between mapreduce and spark
What is the InputSplit in map reduce ?
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