[FLINK-30604] Remove the limitation that parallelism decided by adaptive batch scheduler is always a power of two

• Type: Sub-task
• Status: Closed
• Priority: Major
• Resolution: Done
• Fix Version/s: 1.17.0
• Component/s: Runtime / Coordination
• Labels: pull-request-available
• Assignee: Lijie Wang
• Reporter: Lijie Wang
• Created: 09/Jan/23 08:19
• Updated: 12/Jan/23 14:00
• Resolved: 12/Jan/23 14:00

Description

In FLINK-26517, we add a limitation that the parallelism decided by adaptive batch scheduler must be 2^N(for the subpartitions can evenly distribute to downstream tasks). After FLINK-29666, we can evenly distribute data to downstream tasks, so we can remove the limitation

Issue Links

• links to: GitHub Pull Request #21626