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  1. Flink
  2. FLINK-4256 Fine-grained recovery
  3. FLINK-6227

Introduce the abstract PartitionException for downstream task failure

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      It is part of FLIP-1.

       

      We define a new abstract special exception called PartitionException to indicate the downstream task failure in consuming upstream partition. This special exception is reported to JobMaster as a hint for unavailable partition data, and then JobMaster could track the upstream executions to restart for reproducing the partition data.

      We make current PartitionNotFoundException extend PartitionException, because it is reasonable to restart producer task when the requested partition is already released.

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              • Assignee:
                zjwang Zhijiang
                Reporter:
                zjwang Zhijiang
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