[HIVE-19661] switch Hive UDFs to use Re2J regex engine

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 3.0.0
• Fix Version/s: 4.0.0-alpha-1
• Labels: pull-request-available
• Assignee: Rajkumar Singh
• Reporter: Rajkumar Singh
• Created: 22/May/18 20:57
• Updated: 01/Dec/22 08:57
• Resolved: 19/Jun/19 17:59

Description

Java regex engine can be very slow in some cases e.g. https://bugs.java.com/bugdatabase/view_bug.do?bug_id=JDK-8203458

Issue Links

• Is contained by: HIVE-26751 Bug Fixes and Improvements for 3.2.0 release
• links to: GitHub Pull Request #358
• links to: GitHub Pull Request #362
• links to: GitHub Pull Request #362