[YARN-7414] FairScheduler#getAppWeight() should be moved into FSAppAttempt#getWeight()

• Type: Improvement
• Status: Resolved
• Priority: Minor
• Resolution: Fixed
• Affects Version/s: 3.0.0-beta1
• Fix Version/s: 3.1.0, 3.0.1
• Component/s: fairscheduler
• Labels: newbie
• Hadoop Flags: Reviewed
• Assignee: Soumabrata Chakraborty
• Reporter: Daniel Templeton
• Created: 28/Oct/17 16:12
• Updated: 30/Jan/20 02:23
• Resolved: 15/Nov/17 18:15

Description

It's illogical that FSAppAttempt defers to FairScheduler for its own weight, especially when FairScheduler has to call back to FSAppAttempt to get the details to return a value. Instead, FSAppAttempt should do the work and call out to FairScheduler to get the details it needs.

Issue Links

• is duplicated by: YARN-10112 Livelock (Runnable FairScheduler.getAppWeight) in Resource Manager when used with Fair Scheduler size based weights enabled