[jira] [Created] (FLINK-18403) Ensure that only exactly once checkpointing can be unaligned

[Shang Yuanchun (Jira)]

Arvid Heise created FLINK-18403:
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             Summary: Ensure that only exactly once checkpointing can be unaligned
                 Key: FLINK-18403
                 URL: https://issues.apache.org/jira/browse/FLINK-18403
             Project: Flink
          Issue Type: Improvement
          Components: Runtime / Checkpointing
    Affects Versions: 1.11.0, 1.12.0
            Reporter: Arvid Heise
            Assignee: Arvid Heise


Currently, it's possible to configure at least once and unaligned checkpoint enabled with undesired side-effect.

We should sanitize the configuration; potentially with warnings.



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