Question
a.
The map function in Hadoop MapReduce have the following general form:map:(K1, V1) -> list(K2, V2)
b.
The reduce function in Hadoop MapReduce have the following general form: reduce: (K2, list(V2)) -> list(K3, V3)
c.
MapReduce has a complex model of data processing: inputs and outputs for the map and reduce functions are key-value pairs
d.
None of the mentioned
Posted under Hadoop Distributed File System Hadoop
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