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How does MapReduce framework view its input internally?
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What are the fundamental configurations parameters specified in map reduce?
How can we control particular key should go in a specific reducer?
What is the difference between an RDBMS and Hadoop?
Explain what is “map” and what is "reducer" in hadoop?
what are the three modes in which Hadoop can be run?
What is the default value of map and reduce max attempts?
What is streaming?
Explain the input type/format in mapreduce by default?
Which interface needs to be implemented to create Mapper and Reducer for the Hadoop?
Explain combiners.
Name job control options specified by mapreduce.
Why is output file name in Hadoop MapReduce part-r-00000?
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