What happens when a datanode fails ?
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How do Hadoop MapReduce works?
How many InputSplits is made by a Hadoop Framework?
Explain how mapreduce works.
What is MapReduce? What are the syntax you use to run a MapReduce program?
Does mapreduce programming model provide a way for reducers to communicate with each other? In a mapreduce job can a reducer communicate with another reducer?
What is SequenceFileInputFormat in Hadoop MapReduce?
Write a Mapreduce Program for Character Count ?
what is a sequence file in Hadoop?
What is the need of key-value pair to process the data in MapReduce?
What happens if the quantity of the reducer is 0 in mapreduce?
Where the mapper's intermediate data will be stored?
What is Distributed Cache in the MapReduce Framework?
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