Github user wuchong commented on the issue: https://github.com/apache/flink/pull/2453 Hi @StephanEwen , I have updated this PR according to your suggestion. In addition, I use an interval of `Long.MAX_VALUE` for disabled periodic checkpoint. In this way, we will not break interval sanity check and no changes will be attached to `CheckpointCoordinator` and `JobSnapshottingSettings`.
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