[FLINK-21527] fromValues function cost enormous network buffer

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Not A Problem
• Affects Version/s: 1.12.1
• Component/s: Table SQL / API
• Labels: stale-major
• Assignee: Unassigned
• Reporter: Spongebob
• Created: 01/Mar/21 03:37
• Updated: 29/Apr/21 12:58
• Resolved: 29/Apr/21 12:58

Description

When using fromValues to build a Table object, flink will cost enormous network buffer, even less than 100k raw data will cost exceed 2048 network memory buffer.