[SPARK-24580] List scenarios to be handled by barrier execution mode properly

• Type: Story
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: 3.0.0
• Component/s: ML, Spark Core
• Epic Link: Support Barrier Execution Mode
• Assignee: Xingbo Jiang
• Reporter: Xiangrui Meng
• Created: 18/Jun/18 15:35
• Updated: 20/Sep/18 17:23

Description

List scenarios to be handled by barrier execution mode to help the design. We will start with simple ones to complex.