What is difference between a MapReduce InputSplit and HDFS block
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How to overwrite an existing output file during execution of mapreduce jobs?
Is it legal to set the number of reducer task to zero? Where the output will be stored in this case?
Is there any point of learning mapreduce, then?
Explain job scheduling through JobTracker
What is the key- value pair in MapReduce?
what are the three modes in which Hadoop can be run?
What are ‘maps’ and ‘reduces’?
What is a "reducer" in Hadoop?
What is Shuffling and Sorting in a MapReduce?
Clarify what is shuffling in map reduce?
What is Distributed Cache in the MapReduce Framework?
What are the main configuration parameters in a MapReduce program?
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