In mapreduce what is a scarce system resource? Explain?
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How to set the number of mappers for a MapReduce job?
What main configuration parameters are specified in mapreduce?
For a job in Hadoop, is it possible to change the number of mappers to be created?
Can we set the number of reducers to zero in MapReduce?
How to set mappers and reducers for Hadoop jobs?
What is the Reducer used for?
What is the difference between Reducer and Combiner in Hadoop MapReduce?
What is the role of a MapReduce partitioner?
How to set the number of mappers to be created in MapReduce?
What is shuffling and sorting in mapreduce?
Is it important for Hadoop MapReduce jobs to be written in Java?
What happens if the quantity of the reducer is 0 in mapreduce?
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