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https://issues.apache.org/jira/browse/FLINK-4322?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15411056#comment-15411056
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Ufuk Celebi commented on FLINK-4322:
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+1 I had similar thoughts about this
> Unify CheckpointCoordinator and SavepointCoordinator
> ----------------------------------------------------
>
> Key: FLINK-4322
> URL: https://issues.apache.org/jira/browse/FLINK-4322
> Project: Flink
> Issue Type: Improvement
> Components: State Backends, Checkpointing
> Affects Versions: 1.1.0
> Reporter: Stephan Ewen
> Fix For: 1.2.0
>
>
> The Checkpoint coordinator should have the functionality of both handling
> checkpoints and savepoints.
> The difference between checkpoints and savepoints is minimal:
> - savepoints always write the root metadata of the checkpoint
> - savepoints are always full (never incremental)
> The commonalities are large
> - jobs should be able to resume from checkpoint or savepoints
> - jobs should fall back to the latest checkpoint or savepoint
> This subsumes issue https://issues.apache.org/jira/browse/FLINK-3397
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