Advances, Systems and Applications
From: Improving the performance of Hadoop Hive by sharing scan and computation tasks
Query set (correlation level) | # Map tasks | # Reduce tasks | Read (GB) | Written (GB) | ||||
---|---|---|---|---|---|---|---|---|
 | Hive | S.Hive | Hive | S.Hive | Hive | S.Hive | Hive | S.Hive |
11,12 (set 1) (none) | 463 | 463 | 116 | 116 | 123 | 123 | 20 | 20 |
6,17 (set 5) (partial) | 1,568 | 663 | 326 | 89 | 51,561 | 51,561 | 504,975 | 34,806 |
14,19 (set 7) (full) | 668 | 334 | 280 | 84 | 356 | 171 | 168 | 2 |
1,3,11,14,17,19 (set 11) (mixed) | 2,149 | 1,150 | 452 | 288 | 636 | 404 | 291 | 206 |