[HIVE-21457] Perf optimizations in ORC split-generation

• Type: Improvement
• Status: Closed
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 4.0.0
• Fix Version/s: 4.0.0-alpha-1
• Component/s: Transactions
• Target Version/s: 4.0.0
• Assignee: Prasanth Jayachandran
• Reporter: Prasanth Jayachandran
• Created: 15/Mar/19 19:35
• Updated: 17/Nov/22 13:15
• Resolved: 28/Mar/19 20:46

Description

Minor split generation optimizations

• Reuse vectorization checks
• Reuse isAcid checks
• Reuse filesystem objects
• Improved logging (log at top-level instead of inside the thread pool)

Issue Links

• Is contained by: HIVE-26751 Bug Fixes and Improvements for 3.2.0 release
• links to: RB