[YARN-278] Fair scheduler maxRunningApps config causes no apps to make progress

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.0.2-alpha
• Fix Version/s: 2.0.3-alpha
• Component/s: resourcemanager, scheduler
• Target Version/s: 2.0.3-alpha
• Assignee: Sandy Ryza
• Reporter: Sandy Ryza
• Created: 19/Dec/12 23:42
• Updated: 15/Feb/13 13:11
• Resolved: 21/Dec/12 16:09

Description

This occurs because the scheduler erroneously chooses apps to offer resources to that are not runnable, then later decides they are not runnable, and doesn't try to give the resources to anyone else.