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https://issues.apache.org/jira/browse/FLINK-2491?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Flink Jira Bot updated FLINK-2491:
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Labels: auto-deprioritized-critical (was: stale-critical)
Priority: Major (was: Critical)
This issue was labeled "stale-critical" 7 ago and has not received any updates
so it is being deprioritized. If this ticket is actually Critical, please raise
the priority and ask a committer to assign you the issue or revive the public
discussion.
> Support Checkpoints After Tasks Finished
> ----------------------------------------
>
> Key: FLINK-2491
> URL: https://issues.apache.org/jira/browse/FLINK-2491
> Project: Flink
> Issue Type: New Feature
> Components: Runtime / Checkpointing
> Affects Versions: 0.10.0
> Reporter: Robert Metzger
> Assignee: Yun Gao
> Priority: Major
> Labels: auto-deprioritized-critical
> Fix For: 1.14.0
>
> Attachments: fix_checkpoint_not_working_if_tasks_are_finished.patch
>
>
> While implementing a test case for the Kafka Consumer, I came across the
> following bug:
> Consider the following topology, with the operator parallelism in parentheses:
> Source (2) --> Sink (1).
> In this setup, the {{snapshotState()}} method is called on the source, but
> not on the Sink.
> The sink receives the generated data.
> only one of the two sources is generating data.
> I've implemented a test case for this, you can find it here:
> https://github.com/rmetzger/flink/blob/para_checkpoint_bug/flink-tests/src/test/java/org/apache/flink/test/checkpointing/ParallelismChangeCheckpoinedITCase.java
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