[YARN-6331] Fix flakiness in TestFairScheduler#testDumpState

• Type: Bug
• Status: Resolved
• Priority: Major
• Resolution: Fixed
• Affects Version/s: 3.0.0-alpha2
• Fix Version/s: 3.0.0-alpha4
• Component/s: fairscheduler
• Hadoop Flags: Reviewed
• Assignee: Yufei Gu
• Reporter: Yufei Gu
• Created: 13/Mar/17 23:40
• Updated: 15/Mar/17 02:23
• Resolved: 15/Mar/17 02:11

Description

Flakiness could happen in TestFairScheduler#testDumpState due to unpredictable running time of FairScheduler#update() since it updates the demand of queues. Explicitly invoke the Schedulable#updateDemand() to solve the issue.

Issue Links

• is broken by: YARN-6042 Dump scheduler and queue state information into FairScheduler DEBUG log