MapReduce has undergone a complete overhaul in hadoop is _________
(a) 0.21
(b) 0.23
(c) 0.24
(d) 0.26
(a) 0.21
(b) 0.23
(c) 0.24
(d) 0.26
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Right answer is (b) 0.23
Explanation: The fundamental idea of MRv2 is to split up the two major functionalities of the JobTracker.