[YARN-11034] Add enhanced headroom in AllocateResponse

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 3.4.0
• Fix Version/s: 3.4.0
• Component/s: federation
• Labels: pull-request-available
• Target Version/s: 3.4.0
• Hadoop Flags: Reviewed
• Assignee: Minni Mittal
• Reporter: Minni Mittal
• Created: 07/Dec/21 10:21
• Updated: 12/Feb/24 06:33
• Resolved: 25/Jan/22 17:25

Description

Add enhanced headroom in allocate response. This provides a channel for RMs to return load information for AMRMProxy and decision making when rerouting resource requests. 

Issue Links

• is a child of: YARN-10201 Make AMRMProxyPolicy aware of SC load
• links to: GitHub Pull Request #3766