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Define the purpose of the partition function in mapreduce framework
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What is the job of blend () and repartition () in Map Reduce?
What are the main configuration parameters in a MapReduce program?
What is difference between a MapReduce InputSplit and HDFS block
Is it legal to set the number of reducer task to zero? Where the output will be stored in this case?
What is Shuffling and Sorting in a MapReduce?
Explain the Reducer's reduce phase?
What is the difference between an RDBMS and Hadoop?
Explain what you understand by speculative execution
Define MapReduce?
What is a Distributed Cache in Hadoop?
Why Mapreduce output written in local disk?
Describe what happens to a mapreduce job from submission to output?
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