[YARN-8761] Service AM support for decommissioning component instances - ASF JIRA

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Details

Type: Bug
Status: Resolved
Priority: Major
Resolution: Fixed
Affects Version/s: None
Fix Version/s: 3.3.0, 3.2.1, 3.1.3
Component/s: None
Labels:
None

Target Version/s:

3.3.0, 3.2.1, 3.1.3
Release Note:
- Component instance number is not linear increment when decommission feature is used. Application with assumption of linear increment component instance number maybe impacted by introduction of this feature.

Description

The idea behind this feature is to have a flex down where specific component instances are removed. Currently on a flex down, the service AM chooses for removal the component instances with the highest IDs.