[jira] [Created] (FLINK-12836) Allow retained checkpoints to be persisted on success

[Shang Yuanchun (Jira)]

Andrew Duffy created FLINK-12836:
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             Summary: Allow retained checkpoints to be persisted on success
                 Key: FLINK-12836
                 URL: https://issues.apache.org/jira/browse/FLINK-12836
             Project: Flink
          Issue Type: Improvement
          Components: Runtime / Checkpointing
            Reporter: Andrew Duffy


Currently, retained checkpoints are persisted with one of 3 strategies:
 * {color:#333333}CHECKPOINT_NEVER_RETAINED:{color} Retained checkpoints are never persisted
 * {color:#333333}CHECKPOINT_RETAINED_ON_FAILURE:{color}{color:#333333} Latest retained checkpoint{color} is persisted in the face of job failures
 * {color:#333333}CHECKPOINT_RETAINED_ON_CANCELLATION{color}: Latest retained checkpoint is persisted when job is canceled externally (e.g. via the REST API)

 

I'm proposing a third persistence mode: _CHECKPOINT_RETAINED_ALWAYS_. This mode would ensure that retained checkpoints are retained on successful completion of the job, and can be resumed from later.



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