[HADOOP-9220] Unnecessary transition to standby in ActiveStandbyElector

• Type: Bug
• Status: Closed
• Priority: Critical
• Resolution: Fixed
• Fix Version/s: 2.1.0-beta
• Component/s: ha
• Hadoop Flags: Reviewed
• Assignee: Thomas White
• Reporter: Thomas White
• Created: 17/Jan/13 16:05
• Updated: 03/Sep/14 22:47
• Resolved: 14/May/13 15:37

Description

When performing a manual failover from one HA node to a second, under some circumstances the second node will transition from standby -> active -> standby -> active. This is with automatic failover enabled, so there is a ZK cluster doing leader election.