[jira] [Created] (FLINK-6328) Savepoints must not be counted as retained checkpoints

[Shang Yuanchun (Jira)]

Stephan Ewen created FLINK-6328:
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             Summary: Savepoints must not be counted as retained checkpoints
                 Key: FLINK-6328
                 URL: https://issues.apache.org/jira/browse/FLINK-6328
             Project: Flink
          Issue Type: Bug
          Components: State Backends, Checkpointing
    Affects Versions: 1.2.0
            Reporter: Stephan Ewen
            Priority: Blocker
             Fix For: 1.3.0, 1.2.2


The Checkpoint Store retains the *n* latest checkpoints.
Savepoints are counted as well, meaning that for settings with 1 retained checkpoint, there are sometimes no retained checkpoints at all, only a savepoint.

That is dangerous, because savepoints must be assumed to disappear at any point in time - their lifecycle is out of control of the CheckpointCoordinator.



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