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https://issues.apache.org/jira/browse/FLINK-5007?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15744571#comment-15744571
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ASF GitHub Bot commented on FLINK-5007:
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Github user uce closed the pull request at:
https://github.com/apache/flink/pull/2750
> Retain externalized checkpoint on suspension
> --------------------------------------------
>
> Key: FLINK-5007
> URL: https://issues.apache.org/jira/browse/FLINK-5007
> Project: Flink
> Issue Type: Bug
> Components: State Backends, Checkpointing
> Reporter: Ufuk Celebi
> Assignee: Ufuk Celebi
> Fix For: 1.2.0
>
>
> Externalized checkpoints are cleaned up when the job is suspended.
> Suspensions happen on graceful shut down (non-HA) or loss of leadership (HA).
> In case of HA, the checkpoint store does not clean up any checkpoints as they
> might be recovered by a new leader. The only way to stop a HA job is to
> actually cancel it. Therefore the configured clean up behaviour doesn't
> matter.
> In case of non-HA, suspensions happen because of graceful shut down (for
> example stopping a YARN session). In this case I would treat the clean up
> behaviour similar to cancelling the job.
> {code}
> ExternalizedCheckpointCleanup.DELETE_ON_CANCELLATION => delete on suspension
> ExternalizedCheckpointCleanup.RETAIN_ON_CANCELLATION => retain on suspension
> {code}
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