[YARN-5315] Standby RM keep sending start am container request to NM

• Type: Bug
• Status: Patch Available
• Priority: Major
• Resolution: Unresolved
• Component/s: resourcemanager
• Labels: oct16-medium
• Assignee: sandflee
• Reporter: sandflee
• Created: 06/Jul/16 14:44
• Updated: 27/Oct/16 21:14

Description

1, network partitions, RM couldn't connect to NMs and start AM request pending
2, RM becomes standby, int ApplicatioinMasterLauncher#serviceStop, launcherPool are shutdown. the launching thread are interrupted, but start AM request may still left in Queue
3,network reconnect, standby RM sends start AM request to NM.