Is there any way/plan for Hive to take advantage of M/R's combine() phrase? There can be either rules embedded in in the query optimizer or hints passed by user... GROUP BY should benefit from this alot..
Any comment?
Is there any way/plan for Hive to take advantage of M/R's combine() phrase? There can be either rules embedded in in the query optimizer or hints passed by user... GROUP BY should benefit from this alot..
Any comment?