Cascading: Optimize co-group with all folds

Netflix / PigPen

Map-Reduce for Clojure

Apache License 2.0

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Open mbossenbroek opened 9 years ago

mbossenbroek commented 9 years ago

A co-group with all folds is currently implemented as n folds followed by a co-grouping. This could be optimized as a single co-group stage.