[YARN-8758] Support getting PreemptionMessage when using AMRMClientAsync

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 3.1.1
• Fix Version/s: 3.2.0, 3.1.2
• Component/s: yarn
• Target Version/s: 3.1.2
• Hadoop Flags: Reviewed
• Assignee: Zian Chen
• Reporter: Krishna Kishore
• Created: 10/Sep/18 06:10
• Updated: 04/Oct/18 18:05
• Resolved: 04/Oct/18 17:54

Description

There's no way to get PreemptionMessage sent by RM from AMRMClientAsync, we should add support for that.