[YARN-6194] Cluster capacity in SchedulingPolicy is updated only on allocation file reload

• Type: Improvement
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 2.8.0
• Fix Version/s: 2.9.0, 3.0.0-alpha4
• Component/s: fairscheduler
• Target Version/s: 2.9.0
• Hadoop Flags: Reviewed
• Assignee: Yufei Gu
• Reporter: Karthik Kambatla
• Created: 15/Feb/17 05:45
• Updated: 04/Apr/17 16:43
• Resolved: 23/Feb/17 00:02

Description

Some of the SchedulingPolicy methods need cluster capacity which is set using #initialize today. However, initialize() is called only on allocation reload. If nodes are added between reloads, the cluster capacity is not considered until the next reload.

Issue Links

• links to: GitHub Pull Request #196