[MAPREDUCE-3859] CapacityScheduler incorrectly utilizes extra-resources of queue for high-memory jobs

• Type: Bug
• Status: Closed
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 1.0.0
• Fix Version/s: 1.2.1
• Component/s: capacity-sched
• Release Note: Fixed wrong CapacityScheduler resource allocation for high memory consumption jobs
• Assignee: Sergey Tryuber
• Reporter: Sergey Tryuber
• Created: 14/Feb/12 09:03
• Updated: 11/Oct/13 17:18
• Resolved: 03/Jun/13 01:04

Description

Imagine, we have a queue A with capacity 10 slots and 20 as extra-capacity, jobs which use 3 map slots will never consume more than 9 slots, regardless how many free slots on a cluster.

Issue Links

• is cloned by: YARN-751 CLONE - CapacityScheduler incorrectly utilizes extra-resources of queue for high-memory jobs