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  1. Flink
  2. FLINK-4410

Report more information about operator checkpoints

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      Description

      Checkpoint statistics contain the duration of a checkpoint, measured as from the CheckpointCoordinator's start to the point when the acknowledge message came.

      We should additionally expose

      • duration of the synchronous part of a checkpoint
      • duration of the asynchronous part of a checkpoint
      • number of bytes buffered during the stream alignment phase
      • duration of the stream alignment phase

      Note: In the case of using at-least once semantics, the latter two will always be zero.

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              • Assignee:
                uce Ufuk Celebi
                Reporter:
                uce Ufuk Celebi
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