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https://issues.apache.org/jira/browse/FLINK-29641?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17617618#comment-17617618
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Matthias Pohl commented on FLINK-29641:
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I'm linking some tickets that might be related to the issue. [~tanyuxin]
[~kevin.cyj] [~Weijie Guo] (based on the commit history) do you have some
opinion on that one?
> SortMergeResultPartitionReadSchedulerTest.testCreateSubpartitionReader
> ----------------------------------------------------------------------
>
> Key: FLINK-29641
> URL: https://issues.apache.org/jira/browse/FLINK-29641
> Project: Flink
> Issue Type: Bug
> Components: Runtime / Coordination
> Affects Versions: 1.16.0, 1.17.0
> Reporter: Matthias Pohl
> Priority: Critical
> Labels: test-stability
>
> [This
> build|https://dev.azure.com/apache-flink/apache-flink/_build/results?buildId=42011&view=logs&j=77a9d8e1-d610-59b3-fc2a-4766541e0e33&t=125e07e7-8de0-5c6c-a541-a567415af3ef&l=8433]
> failed (not exclusively) due to
> {{SortMergeResultPartitionReadSchedulerTest.testCreateSubpartitionReader}}.
> The assert checking that the {{SortedMergeSubpartitionReader}} is in running
> state fails.
> My suspicion is that the condition in
> [SortMergeResultPartitionReadScheduler.mayTriggerReading|https://github.com/apache/flink/blob/87d4f70e49255b551d0106117978b1aa0747358c/flink-runtime/src/main/java/org/apache/flink/runtime/io/network/partition/SortMergeResultPartitionReadScheduler.java#L425-L428]
> (or something related to that condition) needs to be reconsidered since
> that's the only time {{isRunning}} is actually set to true.
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