[DRILL-4046] Performance regression in some tpch queries with 1.3rc0 build

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 1.3.0
• Assignee: Jacques Nadeau
• Reporter: Jacques Nadeau
• Reviewer: Dechang Gu
• Created: 06/Nov/15 17:37
• Updated: 14/Dec/15 22:28
• Resolved: 07/Nov/15 06:08

Description

commit/query	14	15	18	20
839f8da	10,253	14,642	32,993	21,251
e7db9dc	85,061	211,400	900,020	34,066

(Time in milliseconds; 900 second timeout)

+ These regressions are not consistent i.e. on multiple runs, some runs do not vary from the baseline.
+ TPCH 18 did not regress without timing out (on runs until now).