[YARN-1724] Race condition in Fair Scheduler when continuous scheduling is turned on

• Type: Bug
• Status: Closed
• Priority: Critical
• Resolution: Fixed
• Fix Version/s: 2.4.0
• Component/s: scheduler
• Hadoop Flags: Reviewed
• Assignee: Sandy Ryza
• Reporter: Sandy Ryza
• Created: 13/Feb/14 02:18
• Updated: 26/Jul/16 14:09
• Resolved: 18/Feb/14 18:09

Description

If nodes resource allocations change during
Collections.sort(nodeIdList, nodeAvailableResourceComparator);
we'll hit:
java.lang.IllegalArgumentException: Comparison method violates its general contract!