How many InputSplits is made by a Hadoop Framework?
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What are the various input and output types supported by mapreduce?
Is YARN a replacement of Hadoop MapReduce?
What combiners is and when you should use a combiner in a MapReduce Job?
How many Reducers run for a MapReduce job?
Explain what you understand by speculative execution
What are the advantages of using map side join in mapreduce?
What is sqoop in Hadoop ?
What happens when a datanode fails ?
What are mapreduce new and old apis while writing map reduce program?. Explain how it works
Can MapReduce program be written in any language other than Java?
What happens when the node running the map task fails before the map output has been sent to the reducer?
what happens in textinformat ?
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