[HIVE-12656] Turn hive.compute.query.using.stats on by default

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.1.0
• Fix Version/s: 2.3.0
• Labels: TODOC2.2
• Assignee: Pengcheng Xiong
• Reporter: Pengcheng Xiong
• Created: 11/Dec/15 19:18
• Updated: 21/Jul/17 17:45
• Resolved: 16/Aug/16 22:22

Description

We now have hive.compute.query.using.stats=false by default. We plan to turn it on by default so that we can have better performance. We can also set it to false in some test cases to maintain the original purpose of those tests..

Issue Links

• relates to: HIVE-11160 Auto-gather column stats
• links to: RB

Sub-Tasks

• Stats state is not captured correctly in dynpart_sort_optimization_acid.q: Patch Available
• Set basic stats as inaccurate for all ACID tables: Closed
• Disable StatsOptimizer for all ACID tables: Closed
• count(*) on a table written by hcatstorer returns incorrect result: Closed