[HUDI-1637] Avoid to rename for bucket update when there is only one flush action during a checkpoint

• Type: Sub-task
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 0.8.0
• Component/s: flink
• Labels: pull-request-available
• Assignee: Danny Chen
• Reporter: Danny Chen
• Created: 24/Feb/21 08:45
• Updated: 25/Feb/21 02:23
• Resolved: 25/Feb/21 02:23

Description

Currently, the FlinkMergeHandle rename files no matter how flush actions it executes, we can promote it to avoid rename if there are only one mini-batch (say the input data flow throughput is small enough).

Issue Links

• links to: GitHub Pull Request #2599