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https://issues.apache.org/jira/browse/FLINK-4512?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ufuk Celebi closed FLINK-4512.
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Resolution: Fixed
Fix Version/s: 1.2.0
Implemented in fd410d9 (master).
> Add option for persistent checkpoints
> -------------------------------------
>
> Key: FLINK-4512
> URL: https://issues.apache.org/jira/browse/FLINK-4512
> Project: Flink
> Issue Type: Sub-task
> Components: State Backends, Checkpointing
> Reporter: Ufuk Celebi
> Assignee: Ufuk Celebi
> Fix For: 1.2.0
>
>
> Allow periodic checkpoints to be persisted by writing out their meta data.
> This is what we currently do for savepoints, but in the future checkpoints
> and savepoints are likely to diverge with respect to guarantees they give for
> updatability, etc.
> This means that the difference between persistent checkpoints and savepoints
> in the long term will be that persistent checkpoints can only be restored
> with the same job settings (like parallelism, etc.)
> Regular and persisted checkpoints should behave differently with respect to
> disposal in *globally* terminal job states (FINISHED, CANCELLED, FAILED):
> regular checkpoints are cleaned up in all of these cases whereas persistent
> checkpoints only on FINISHED. Maybe with the option to customize behaviour on
> CANCELLED or FAILED.
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