[FLINK-30542] Support adaptive local hash aggregate in runtime

• Type: Sub-task
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.17.0
• Fix Version/s: 1.17.0
• Component/s: Table SQL / Planner, Table SQL / Runtime
• Labels: pull-request-available
• Assignee: Yunhong Zheng
• Reporter: Yunhong Zheng
• Created: 03/Jan/23 01:47
• Updated: 31/Jan/23 10:28
• Resolved: 31/Jan/23 10:28

Description

Introduce a new strategy to adaptively determine whether local hash aggregate is required according to the aggregation degree of local hash aggregate.

Issue Links

• links to: GitHub Pull Request #21586