[FLINK-13363] Add documentation for streaming aggregate performance tunning.

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 1.9.1, 1.10.0
• Component/s: Documentation, Table SQL / Planner
• Labels: pull-request-available
• Assignee: Jark Wu
• Reporter: Jark Wu
• Created: 22/Jul/19 09:13
• Updated: 03/Sep/19 12:42
• Resolved: 03/Sep/19 12:42

Description

Add documentation for streaming aggregate performance tuning

• “Performance Tuning / Streaming Aggregation”: Explain how to solve data-skew problem in streaming aggregation (non-windowed aggregate), the internals, and the configurations.

Issue Links

• links to: GitHub Pull Request #9525