[jira] [Created] (FLINK-19681) Passively timeout alignment on the inputs

[Shang Yuanchun (Jira)]

Piotr Nowojski created FLINK-19681:
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             Summary: Passively timeout alignment on the inputs
                 Key: FLINK-19681
                 URL: https://issues.apache.org/jira/browse/FLINK-19681
             Project: Flink
          Issue Type: Sub-task
          Components: Runtime / Checkpointing
    Affects Versions: 1.12.0
            Reporter: Piotr Nowojski
            Assignee: Piotr Nowojski
             Fix For: 1.12.0


CheckpointBarrierHandler will be aware of the aligned checkpoint barrier announcement messages. Based on that, it can implement basic timeout. When arriving aligned checkpoint barrier (or it's announcement) exceeded maximum allowed `checkpointStartDelay`, it should switch to unaligned checkpoint.

This, for the time being could be done without registering any timeout action, but a passive/static check when processing checkpoint barrier/barrier announcement. If `checkpointStartDelay` is below threshold, do nothing. If above, switch to unaligned checkpoint.



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