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Posted to issues@flink.apache.org by "Ufuk Celebi (JIRA)" <ji...@apache.org> on 2016/08/26 14:39:21 UTC

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

Ufuk Celebi created FLINK-4511:
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             Summary: 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


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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