Explain how do ‘map’ and ‘reduce’ work?
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What are ‘maps’ and ‘reduces’?
Mention Hadoop core components?
What does a split do?
Define MapReduce?
When is it not recommended to use MapReduce paradigm for large
What do sorting and shuffling do?
How hadoop mapreduce works?
What is identity mapper and identity reducer?
What are the steps involved in MapReduce framework?
What is the use of InputFormat in MapReduce process?
What is the key- value pair in Hadoop MapReduce?
What do you understand by mapreduce?
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