[YARN-300] After YARN-271, fair scheduler can infinite loop and not schedule any application.

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Fix Version/s: 2.0.3-alpha
• Component/s: resourcemanager, scheduler
• Assignee: Sandy Ryza
• Reporter: Hong Shen
• Created: 31/Dec/12 11:41
• Updated: 02/May/13 02:29
• Resolved: 03/Jan/13 15:13

Description

After yarn-271, when yarn.scheduler.fair.max.assign<=0, when a node was been reserved, fairScheduler will infinite loop and not schedule any application.

Issue Links

• depends upon: YARN-271 Fair scheduler hits IllegalStateException trying to reserve different apps on same node