jobconf.setnumtasks(int)
jobconf.setnumreducetasks(int)
jobconf.setnummaptasks(int)
all of the mentioned
Answer is Wrong!
Answer is Right!
The correct answer is: D. all of the mentioned
The number of reduces for the job is set by the user via the following methods:
jobconf.setnumtasks(int): This method sets the total number of tasks for the job. The number of reduces is a subset of the total number of tasks.jobconf.setnumreducetasks(int): This method sets the number of reduce tasks for the job. The number of reduce tasks must be a positive integer.jobconf.setnummaptasks(int): This method sets the number of map tasks for the job. The number of map tasks must be a positive integer.
The number of reduces is typically set to be equal to the number of output partitions. The number of map tasks is typically set to be equal to the number
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