StefanRRichter commented on issue #7009: [FLINK-10712] Support to restore state when using RestartPipelinedRegionStrategy URL: https://github.com/apache/flink/pull/7009#issuecomment-454335285 @Myasuka 1. Yes, that is correct. We need to doublecheck for operators that use union state if their protocol also works for partial restores. For example if under the same parallelism they will always pick the same state from the union a they have checkpointed and will not produce conflicts with operators that are still running. 2. Again correct, it was a typo. We should no redistribution if the parallelism did not change for those states. That already avoids problems for all cases except 1.
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