When should you use sequencefileinputformat?
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What is a scarce system resource?
What is a partitioner and how the user can control which key will go to which reducer?
In MapReduce how to change the name of the output file from part-r-00000?
For a job in Hadoop, is it possible to change the number of mappers to be created?
What is the difference between Hadoop and RDBMS?
Can we set the number of reducers to zero in MapReduce?
Where sorting is done in Hadoop MapReduce Job?
What are the identity mapper and reducer in MapReduce?
Why is output file name in Hadoop MapReduce part-r-00000?
Explain how mapreduce works.
What is the role of recordreader in hadoop mapreduce?
What is the difference between Reducer and Combiner in Hadoop MapReduce?
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