What is the role of a MapReduce partitioner?
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What is Output Format in MapReduce?
How hadoop mapreduce works?
What do you understand by the term Straggler ?
what is "map" and what is "reducer" in Hadoop?
what are the main configuration parameters that user need to specify to run Mapreduce Job ?
How is reporting controlled in hadoop?
What are the main configuration parameters in a MapReduce program?
What is Shuffling and Sorting in a MapReduce?
When Namenode is down what happens to job tracker?
Is it possible to rename the output file?
What is the need of MapReduce?
Explain about the basic parameters of mapper and reducer function
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