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The aggregation framework is meant to fill a gap between SQLs SUM, COUNT, AVG, etc without requiring a full map/reduce. The Hadoop integrations are unrelated an
by zachanker 14y ago
The aggregation framework is meant to fill a gap between SQLs SUM, COUNT, AVG, etc without requiring a full map/reduce. The Hadoop integrations are unrelated and are just a nice little bonus that they added.