[HUDI-8413] Change the default merge mode to COMMIT_TIME_ORDERING

• Type: Sub-task
• Status: Patch Available
• Priority: Blocker
• Resolution: Unresolved
• Fix Version/s: 1.0.1
• Component/s: reader-core, writer-core
• Labels: pull-request-available
• Assignee: Y Ethan Guo
• Reporter: Jonathan Vexler

Reviewers

sivabalan narayanan

• Created: 23/Oct/24 00:44
• Updated: 08/Jan/25 05:48

Description

If the user doesn't specify an ordering field, then we should default to overwrite merge mode. The data correctness is not affected when event time merge mode is used. But positional deletes are a lot faster with overwrite. So it is a positive change

Issue Links

• links to: GitHub Pull Request #12600