[FLINK-13099] Add a new type UNDEFINED of shuffle mode

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Duplicate
• Fix Version/s: 1.9.0
• Component/s: API / DataStream
• Assignee: Biao Liu
• Reporter: Biao Liu
• Created: 04/Jul/19 09:51
• Updated: 04/Jul/19 09:54
• Resolved: 04/Jul/19 09:54

Description

The UNDEFINED type is the default value of shuffle mode. If there is no specific PartitionTransformation, the shuffle mode would be UNDEFINED.
This new shuffle type leaves some space for optimization later. The optimization might be based on resources or some global settings.

Issue Links

• is duplicated by: FLINK-13098 Add a new type UNDEFINED of shuffle mode