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https://issues.apache.org/jira/browse/FLINK-27756?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17550245#comment-17550245
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Ahmed Hamdy edited comment on FLINK-27756 at 6/5/22 8:24 PM:
-------------------------------------------------------------
h2. Findings.
- Test is failing 2/100 times.
- Test has tight margin 100 ms delay + 10 ms for execution.
- Extending margin to 20 ms passes tests with failure rate of 1/1000 [max
margin needed is 21 ms]
- Sending 1 complete batch passes tests with failure rate of 1/1000 [max margin
needed is 14ms]
- Sending 1 complete batch with extended margin passes test with rate 100/100
was (Author: JIRAUSER280246):
h2. Findings.
- Test is failing 2/100 times.
- Test has tight margin 100 ms delay + 10 ms for execution.
- Extending margin to 20 ms passes tests with failure rate of 1/1000 [max
margin needed is 21 ms]
- Sending 1 batch only passes tests with failure rate of 1/1000 [max margin
needed is 14ms]
- Sending 1 batch only with extended margin passes test with rate 100/100
> Fix intermittently failing test in
> AsyncSinkWriterTest.checkLoggedSendTimesAreWithinBounds
> ------------------------------------------------------------------------------------------
>
> Key: FLINK-27756
> URL: https://issues.apache.org/jira/browse/FLINK-27756
> Project: Flink
> Issue Type: Bug
> Components: Connectors / Common
> Affects Versions: 1.15.0
> Reporter: Ahmed Hamdy
> Assignee: Ahmed Hamdy
> Priority: Critical
> Labels: pull-request-available, test-stability
> Fix For: 1.16.0
>
>
> h2. Motivation
> - One of the integration tests ({{checkLoggedSendTimesAreWithinBounds}}) of
> {{AsyncSinkWriterTest}} has been reported to fail intermittently on build
> pipeline causing blocking of new changes.
> - Reporting build is [linked
> |https://dev.azure.com/apache-flink/apache-flink/_build/results?buildId=36009&view=logs&j=aa18c3f6-13b8-5f58-86bb-c1cffb239496&t=502fb6c0-30a2-5e49-c5c2-a00fa3acb203]
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