[YARN-7835] [Atsv2] Race condition in NM while publishing events if second attempt is launched on the same node

• Type: Bug
• Status: Resolved
• Priority: Critical
• Resolution: Fixed
• Fix Version/s: 3.1.0, 2.10.0, 3.0.4
• Hadoop Flags: Reviewed
• Assignee: Rohith Sharma K S
• Reporter: Rohith Sharma K S
• Created: 27/Jan/18 06:10
• Updated: 18/Aug/18 05:42
• Resolved: 01/Mar/18 05:13

Description

It is observed race condition that if master container is killed for some reason and launched on same node then NMTimelinePublisher doesn't add timelineClient. But once completed container for 1st attempt has come then NMTimelinePublisher removes the timelineClient.
It causes all subsequent event publishing from different client fails to publish with exception Application is not found. !

Issue Links

• relates to: YARN-6695 Race condition in RM for publishing container events vs appFinished events causes NPE