[YARN-4215] RMNodeLabels Manager Need to verify and replace node labels for the only modified Node Label Mappings in the request

• Type: Sub-task
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 2.8.0, 3.0.0-alpha1
• Component/s: resourcemanager
• Labels: nodelabel resourcemanager
• Hadoop Flags: Reviewed
• Assignee: Naganarasimha G R
• Reporter: Naganarasimha G R
• Created: 01/Oct/15 03:48
• Updated: 30/Aug/16 01:16
• Resolved: 06/Oct/15 18:59

Description

Modified node Labels needs to be updated by the capacity scheduler holding a lock hence its better to push events to scheduler only when there is actually a change in the label mapping for a given node.