[YARN-2594] Potential deadlock in RM when querying ApplicationResourceUsageReport

• Type: Bug
• Status: Closed
• Priority: Blocker
• Resolution: Fixed
• Affects Version/s: 2.6.0
• Fix Version/s: 2.6.0
• Component/s: resourcemanager
• Target Version/s: 2.6.0
• Hadoop Flags: Reviewed
• Assignee: Wangda Tan
• Reporter: Karam Singh
• Created: 24/Sep/14 10:15
• Updated: 01/Dec/14 03:08
• Resolved: 30/Sep/14 23:22

Description

ResoruceManager sometimes become un-responsive:
There was in exception in ResourceManager log and contains only following type of messages:

2014-09-19 19:13:45,241 INFO  event.AsyncDispatcher (AsyncDispatcher.java:handle(232)) - Size of event-queue is 53000
2014-09-19 19:30:26,312 INFO  event.AsyncDispatcher (AsyncDispatcher.java:handle(232)) - Size of event-queue is 54000
2014-09-19 19:47:07,351 INFO  event.AsyncDispatcher (AsyncDispatcher.java:handle(232)) - Size of event-queue is 55000
2014-09-19 20:03:48,460 INFO  event.AsyncDispatcher (AsyncDispatcher.java:handle(232)) - Size of event-queue is 56000
2014-09-19 20:20:29,542 INFO  event.AsyncDispatcher (AsyncDispatcher.java:handle(232)) - Size of event-queue is 57000
2014-09-19 20:37:10,635 INFO  event.AsyncDispatcher (AsyncDispatcher.java:handle(232)) - Size of event-queue is 58000
2014-09-19 20:53:51,722 INFO  event.AsyncDispatcher (AsyncDispatcher.java:handle(232)) - Size of event-queue is 59000