[YARN-5823] Update NMTokens in case of requests with only opportunistic containers

• Type: Bug
• Status: Resolved
• Priority: Blocker
• Resolution: Fixed
• Fix Version/s: 2.9.0, 3.0.0-alpha2
• Target Version/s: 3.0.0-alpha2
• Assignee: Konstantinos Karanasos
• Reporter: Konstantinos Karanasos
• Created: 03/Nov/16 02:27
• Updated: 29/Dec/16 23:06
• Resolved: 09/Nov/16 08:14

Description

At the moment, when an AllocateRequest contains only opportunistic ResourceRequests, the updated NMTokens are not properly added to the AllocateResponse.
In such a case the AM does not get back the needed NMTokens that are required to start the opportunistic containers at the respective nodes.

Issue Links

• is related to: YARN-2877 Extend YARN to support distributed scheduling
• is related to: YARN-5220 Scheduling of OPPORTUNISTIC containers through YARN RM
• is related to: YARN-5542 Scheduling of opportunistic containers