[YARN-5613] Fair Scheduler can assign containers from blacklisted nodes

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Invalid
• Affects Version/s: 2.8.0
• Component/s: fairscheduler
• Assignee: Daniel Templeton
• Reporter: Daniel Templeton
• Created: 01/Sep/16 19:55
• Updated: 12/Sep/16 20:22
• Resolved: 12/Sep/16 20:21

Description

The FairScheduler.allocate() makes its resource request before it updates the blacklist. If the scheduler processes the resource request before the allocating thread updates the blacklist, the scheduler can assign containers that are on nodes in the blacklist.

Issue Links

• is superceded by: YARN-3547 FairScheduler: Apps that have no resource demand should not participate scheduling