[FLINK-19759] DeadlockBreakupTest.testSubplanReuse_AddSingletonExchange is instable

• Type: Bug
• Status: Closed
• Priority: Blocker
• Resolution: Fixed
• Affects Version/s: 1.12.0
• Component/s: Table SQL / Planner
• Labels: test-stability
• Assignee: Unassigned
• Reporter: Dian Fu
• Created: 22/Oct/20 05:50
• Updated: 22/Oct/20 05:59
• Resolved: 22/Oct/20 05:59

Description

https://dev.azure.com/apache-flink/apache-flink/_build/results?buildId=8052&view=logs&j=e25d5e7e-2a9c-5589-4940-0b638d75a414&t=a6e0f756-5bb9-5ea8-a468-5f60db442a29

[ERROR]   DeadlockBreakupTest.testSubplanReuse_AddSingletonExchange:217 planAfter expected:<...=[>(cnt, 3)])
:  +- [SortAggregate(isMerge=[true], select=[Final_COUNT(count1$0) AS cnt], reuse_id=[1])
:     +- Exchange(distribution=[single])
:        +- LocalSort]Aggregate(select=[Pa...> but was:<...=[>(cnt, 3)])
:  +- [HashAggregate(isMerge=[true], select=[Final_COUNT(count1$0) AS cnt], reuse_id=[1])
:     +- Exchange(distribution=[single])
:        +- LocalHash]Aggregate(select=[Pa...>
[INFO] 

Issue Links

• is caused by: FLINK-19624 Update deadlock break-up algorithm to cover more cases