[jira] [Created] (FLINK-6599) Communicate last committed checkpoint through trigger checkpoint message

["Stefan Richter (JIRA)" <ji...@apache.org>]

Stefan Richter created FLINK-6599:
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             Summary: Communicate last committed checkpoint through trigger checkpoint message
                 Key: FLINK-6599
                 URL: https://issues.apache.org/jira/browse/FLINK-6599
             Project: Flink
          Issue Type: Sub-task
          Components: State Backends, Checkpointing
    Affects Versions: 1.3.0
            Reporter: Stefan Richter
            Priority: Minor


Small potential improvement:

We could communicate the last completed checkpoint, which will serve as basis for future incremental checkpoints, through the trigger checkpoint message for that checkpoint, i.e. the trigger determines the base checkpoint for the next increment. This would be slightly more reliable than going through the {{CheckpointListener}} mechanism, which is not guaranteed the deliver its message.



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