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Which of the following statements about the general form of MapReduce is correct? Map: (K1, V1) -> (K2, V2) Combine (K3, list(V3)) list(K3, V3) Reducer:
Which of the following statements about the general form of MapReduce is correct? Map: (K1, V1) -> (K2, V2) Combine (K3, list(V3)) list(K3, V3) Reducer: (K4, list(V4)) list(K5, list(V5)) A.K1 type must equal to K2 type: B.K4 type must equal to K5 type; C.K1 type must equal to k4 type: D.K2 type must equal to K4 type
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Introduction To Materials Management
Authors: J. R. Tony Arnold, Stephen N. Chapman, Lloyd M. Clive
7th Edition
7111455517, 978-0131376700
