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https://issues.apache.org/jira/browse/FLINK-17741?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17327830#comment-17327830
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Flink Jira Bot commented on FLINK-17741:
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This major issue is unassigned and itself and all of its Sub-Tasks have not
been updated for 30 days. So, it has been labeled "stale-major". If this ticket
is indeed "major", please either assign yourself or give an update. Afterwards,
please remove the label. In 7 days the issue will be deprioritized.
> Create integration or e2e test for out of order (savepoint) barriers
> --------------------------------------------------------------------
>
> Key: FLINK-17741
> URL: https://issues.apache.org/jira/browse/FLINK-17741
> Project: Flink
> Issue Type: Sub-task
> Components: Tests
> Reporter: Roman Khachatryan
> Priority: Major
> Labels: stale-major
> Fix For: 1.13.0
>
>
> Unaligned checkpoints MVP assumes at most one barrier at a time. This is
> ensured by max-concurrent-checkpoints on CheckpointCoordinator.
> But it seems possible that CheckpointCoordinator considers a checkpoint
> canceled, starts a new one, while some old barriers are still flowing in the
> graph.
> As of now, this situation isn't tested.
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