[HIVE-12227] LLAP: better column vector object pools

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 2.0.0
• Assignee: Sergey Shelukhin
• Reporter: Gopal Vijayaraghavan
• Created: 21/Oct/15 20:42
• Updated: 16/Feb/16 23:50
• Resolved: 28/Oct/15 01:38

Description

Vector allocations become a problem in sub-second cases. The pool of 8 per request is too small. Needs to be bigger and potentially pre-populated if we can do it off the main path.