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https://issues.apache.org/jira/browse/FLINK-23689?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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ASF GitHub Bot updated FLINK-23689:
-----------------------------------
Labels: pull-request-available test-stability (was: test-stability)
> TestProcessingTimeService.setCurrentTime(long) not delay the firing timer by
> 1ms delay
> --------------------------------------------------------------------------------------
>
> Key: FLINK-23689
> URL: https://issues.apache.org/jira/browse/FLINK-23689
> Project: Flink
> Issue Type: Bug
> Components: Runtime / Task, Tests
> Affects Versions: 1.11.4, 1.14.0, 1.12.4, 1.13.2
> Reporter: Jiayi Liao
> Priority: Major
> Labels: pull-request-available, test-stability
>
> FLINK-9857 enabled {{SystemProcessingTimeService}} to fire processing timers
> by 1ms delay but it ignored {{TestProcessingTimeService}}, and the method
> {{TestProcessingTimeService.setCurrentTime}} can still trigger the processing
> timers whose timestamp equals to {{currentTime}}.
> {code:java}
> while (!priorityQueue.isEmpty() && currentTime >= priorityQueue.peek().f0) {
> ..
> }
> {code}
> We can simply fix the problem with {{currentTime > priorityQueue.peek().f0}},
> but it will break too many existing tests:
> * Tests using {{TestProcessingTimeService.setCurrentTime(long)}} (64 usage)
> * Tests using {{AbstractStreamOperatorTestHarness.setProcessingTime(long)}}
> (368 usage)
> Tips: Some tests can be fixed with plusing 1ms on the parameter of
> {{TestProcessingTimeService.setCurrentTime(long)}}, but this doesn't work in
> tests that invokes {{setCurrentTime(long)}} for serveral times.
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