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https://issues.apache.org/jira/browse/FLINK-25920?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17864641#comment-17864641
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Arvid Heise commented on FLINK-25920:
-------------------------------------
Wow that log was insightful. We see that for all subtasks the issue happens
simultaneously almost as if the checkpoint is triggered twice. Unfortunately, I
forgot to ask to turn DEBUG on for all of {{org.apache.flink}}, so I can't
verify it.
Can I ask you to provide a log one more time, please? Since the log is still
very small, I'd even would like to ask you to turn TRACE on for all of flink
({{org.apache.flink}}). Thank you very much!
> Allow receiving updates of CommittableSummary
> ---------------------------------------------
>
> Key: FLINK-25920
> URL: https://issues.apache.org/jira/browse/FLINK-25920
> Project: Flink
> Issue Type: Sub-task
> Components: API / DataStream, Connectors / Common
> Affects Versions: 1.15.0, 1.16.0
> Reporter: Fabian Paul
> Assignee: Arvid Heise
> Priority: Major
> Attachments: trace.zip
>
>
> In the case of unaligned checkpoints, it might happen that the checkpoint
> barrier overtakes the records and an empty committable summary is emitted
> that needs to be correct at a later point when the records arrive.
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