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https://issues.apache.org/jira/browse/FLINK-12836?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16863755#comment-16863755
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vinoyang commented on FLINK-12836:
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Let's listen to [~till.rohrmann]'s opinion?
> 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
> Assignee: vinoyang
> Priority: Major
>
> 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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