An Abstract Description Method of Map-Reduce-Merge Using Haskell
Algorithm 7
getPair :: Map K21 V31 –Tablet1 as input data
Map K22 V32 –Tablet2 as input data
[(KV1, KV2)] –The task of one merger
mergeTwoRecord :: KV1 –Record1 as input data
KV2 –Record2 as input data
Maybe KV3 –Maybe Record3 or Nothing as output data
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