[YARN-1401] With zero sleep-delay-before-sigkill.ms, no signal is ever sent

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.2.0
• Fix Version/s: 2.3.0
• Component/s: nodemanager
• Hadoop Flags: Reviewed
• Assignee: Gera Shegalov
• Reporter: Gera Shegalov
• Created: 12/Nov/13 01:16
• Updated: 24/Feb/14 20:57
• Resolved: 14/Nov/13 20:00

Description

If you set in yarn-site.xml yarn.nodemanager.sleep-delay-before-sigkill.ms=0 then an unresponsive child JVM is never killed. In MRv1, TT used to immediately SIGKILL in this case.