[YARN-4067] available resource could be set negative

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Duplicate
• Affects Version/s: 2.7.1
• Component/s: fairscheduler
• Assignee: Chang Li
• Reporter: Chang Li
• Created: 20/Aug/15 21:24
• Updated: 25/Oct/19 20:25
• Resolved: 13/Feb/17 00:29

Description

as mentioned in YARN-4045 by Wangda Tan, available memory could be negative due to reservation, propose to use componentwiseMax to updateQueueStatistics in order to cap negative value to zero

Issue Links

• duplicates: YARN-3933 FairScheduler: Multiple calls to completedContainer are not safe
• is related to: YARN-4045 Negative avaialbleMB is being reported for root queue.
• relates to: YARN-4089 Race condition when calling AbstractYarnScheduler.completedContainer.