Define MapReduce?
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What is the fundamental difference between a MapReduce Split and a HDFS block?scale data processing?
When is it not recommended to use MapReduce paradigm for large scale data processing?
What is heartbeat in hdfs?
What are the four basic parameters of a reducer?
Explain job scheduling through JobTracker
What is the inputsplit in map reduce software?
What do sorting and shuffling do?
Define Writable data types in MapReduce?
In mapreduce what is a scarce system resource? Explain?
Why is output file name in Hadoop MapReduce part-r-00000?
What is OutputCommitter?
Can you tell us how many daemon processes run on a hadoop system?
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