What is difference between a MapReduce InputSplit and HDFS block
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What is a partitioner and how the user can control which key will go to which reducer?
What is Counter in MapReduce?
What are the primary phases of a Reducer?
what daemons run on a master node and slave nodes?
How to write MapReduce Programs?
What is the job of blend () and repartition () in Map Reduce?
How does inputsplit in mapreduce determines the record boundaries correctly?
What is MapReduce?
what is Speculative Execution?
What is a map side join?
Explain job scheduling through JobTracker
Explain the input type/format in mapreduce by default?
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