[YARN-469] Make scheduling mode in FS pluggable

• Type: Sub-task
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.0.3-alpha
• Fix Version/s: 2.1.0-beta
• Component/s: scheduler
• Labels: scheduler
• Target Version/s: 2.1.0-beta
• Hadoop Flags: Reviewed
• Assignee: Karthik Kambatla
• Reporter: Karthik Kambatla
• Created: 12/Mar/13 20:34
• Updated: 03/Nov/14 18:34
• Resolved: 26/Mar/13 03:27

Description

Currently, scheduling mode in FS is limited to Fair and FIFO. The code typically has an if condition at multiple places to determine the correct course of action.

Making the scheduling mode pluggable helps in simplifying this process, particularly as we add new modes (DRF in this case).