[YARN-1616] RMFatalEventDispatcher should log the cause of the event

• Type: Improvement
• Status: Closed
• Priority: Trivial
• Resolution: Fixed
• Affects Version/s: 2.3.0
• Fix Version/s: 2.3.0
• Component/s: resourcemanager
• Hadoop Flags: Reviewed
• Assignee: Karthik Kambatla
• Reporter: Karthik Kambatla
• Created: 20/Jan/14 19:45
• Updated: 03/Nov/14 18:34
• Resolved: 21/Jan/14 02:02

Description

RMFatalEventDispatcher#handle() logs the receipt of an event and its type, but leaves out the cause. The cause captures why the event was raised and would help debugging issues.

Issue Links

• blocks: YARN-1602 All failed RMStateStore operations should not be RMFatalEvents