[KYLIN-3267] add override MR config at project/cube level only for mem-hungry build steps

• Type: Improvement
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: v2.4.0
• Assignee: Yifei Wu
• Reporter: Yifei Wu
• Created: 27/Feb/18 03:04
• Updated: 23/Jun/18 14:56
• Resolved: 13/Mar/18 00:10

Description

Currently, users can override MR config at project/cube level via kylin properties kylin.engine.mr.config-override.

However, this applies to all MR steps. It is more reasonable to add override-configs only for certain memory-hungry steps like in-mem cubing.