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Currently, when Flink’s job manager crashes or gets killed, possibly due to unexpected errors or planned nodes decommission, it will cause the following two situationscrashes or gets killed, possibly due to unexpected errors or planned nodes decommission,it will cause the following two situations:

  1. Failed, if the job does not enable HA.
  2. Restart, if the job enable HA. If it’s a streaming job, the job will be resumed from the last successful checkpoint. If it’s a batch job, it have to run from beginning, all previous progress will be lost.

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