[YARN-9632] No allocatedMB, allocatedVCores, and runningContainers metrics on running Applications in RM Web UI

• Type: Bug
• Status: Open
• Priority: Major
• Resolution: Unresolved
• Affects Version/s: 2.7.7
• Fix Version/s: 2.8.5
• Component/s: RM, webapp, yarn
• Target Version/s: 2.7.7
• Assignee: Unassigned
• Reporter: zhangjian
• Created: 20/Jun/19 06:29
• Updated: 21/Jun/19 05:50

Description

The YARN REST API can report on the following properties:

allocatedMB: The sum of memory in MB allocated to the application's running containers
allocatedVCores: The sum of virtual cores allocated to the application's running containers
runningContainers: The number of containers currently running for the application

But, the RM Web UI does not report on these items . I saw it's ok in hadoop2.8.5.

It would be useful for YARN Application and Resource troubleshooting to have these properties and their corresponding values exposed on the RM WebUI.