[YARN-4784] Fairscheduler: defaultQueueSchedulingPolicy should not accept FIFO

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.7.0
• Fix Version/s: 2.9.0, 3.0.0-alpha1
• Component/s: fairscheduler
• Hadoop Flags: Incompatible change, Reviewed
• Release Note: Clusters cannot use FIFO policy as the defaultQueueSchedulingPolicy. Clusters with a single level of queues will have to explicitly set the policy to FIFO if that is desired.
• Assignee: Yufei Gu
• Reporter: Yufei Gu
• Created: 09/Mar/16 21:16
• Updated: 30/Aug/16 01:05
• Resolved: 21/Apr/16 07:01

Description

The configure item defaultQueueSchedulingPolicy should not accept fifo as a value since it is an invalid value for non-leaf queues.