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https://issues.apache.org/jira/browse/FLINK-25920?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17897865#comment-17897865
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Arvid Heise commented on FLINK-25920:
-------------------------------------
Merged a backport to 1.20 as
4803c48c129d6d3cd46e2bc49b7263dc288165f0..a5e4dca23d8cb6df50ebd85d8021c61a9fe3f32.
> 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
> Labels: pull-request-available
> Fix For: 2.0-preview
>
> Attachments: trace.zip, trace_again.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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