Engineering Blog


Learn from our challenges and triumphs as our talented engineering team offers insights for discussion and sharing.


We’re happy to announce that we’ve added a new tool built on top of Cascading, called MultiCombiner, to our open source project cascading_ext. MultiCombiner allows one to run arbitrarily many aggregation operations, each with their own distinct grouping fields, over a single stream of tuples using only a single reduce step. MultiCombiner uses combiners ...