No, it doesn't if you co-group more than 1 relations- https://github.com/apache/pig/blob/trunk/src/org/apache/pig/backend/hadoop/executionengine/mapReduceLayer/CombinerOptimizer.java#L120
On Wed, Apr 16, 2014 at 8:25 AM, Abhishek Agarwal <[email protected]>wrote: > Does the pig uses combiner if cogroup operator is used for the aggregation? > I am currently using the version 0.8.1. I was just wondering if the support > has been added in the later versions. Any help will be appreciated. > > -- > Regards, > Abhishek Agarwal >
