[jira] [Assigned] (FLINK-4511) Schedule periodic savepoints

["Ufuk Celebi (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/FLINK-4511?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Ufuk Celebi reassigned FLINK-4511:
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    Assignee: Ufuk Celebi

> Schedule periodic savepoints
> ----------------------------
>
>                 Key: FLINK-4511
>                 URL: https://issues.apache.org/jira/browse/FLINK-4511
>             Project: Flink
>          Issue Type: Sub-task
>          Components: State Backends, Checkpointing
>            Reporter: Ufuk Celebi
>            Assignee: Ufuk Celebi
>
> Allow triggering of periodic savepoints, which are kept in a bounded queue (like completed checkpoints currently, but separate).
> If there is no periodic checkpointing enabled, only periodic savepoints should be schedulded.
> If periodic checkpointing is enabled, the periodic savepoints should not be scheduled independently, but instead the checkpoint scheduler should trigger a savepoint instead. This will ensure that no unexpected interference between checkpoints and savepoints happens. For this, I would restrict the savepoint interval to be a multiple of the checkpointing interval (if enabled).



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