[SLIDER-829] when containers are allocated, explicitly cancel the request

• Type: Sub-task
• Status: Resolved
• Priority: Blocker
• Resolution: Duplicate
• Affects Version/s: Slider 0.70
• Fix Version/s: Slider 0.80
• Component/s: appmaster
• Sprint: Slider Feb #1, Slider April #1
• Assignee: Steve Loughran
• Reporter: Steve Loughran
• Created: 24/Mar/15 11:12
• Updated: 24/Mar/15 13:50
• Resolved: 24/Mar/15 13:50

Description

The AM needs to cancel outstanding requests made for containers —even after they've been allocated. Without this they will be re-requested again and simply discarded.

Issue Links

• duplicates: SLIDER-828 Redundant container request from slider causing high load on busy cluster
• relates to: YARN-1902 Allocation of too many containers when a second request is done with the same resource capability