zhijiangW edited a comment on issue #11534: [FLINK-16537][network] Implement ResultPartition state recovery for unaligned checkpoint URL: https://github.com/apache/flink/pull/11534#issuecomment-604887982 Thanks for review @AHeise ! > I'd like to have a test case where restoration and normal reading are mixed if that is possible. What do you mean by normal reading? Could you explain a bit then i can judge whether it is possible. > I'm also missing the glue code that uses the restore code in StreamTask. I also do not get the point here. The `StreamTask` only triggers the process of initializing output states besides previous operator states. And only the output states are loaded into the subpartition queue, it would be requested finally by downstream side via `PartitionRequest`. And I also added the unit tests to verify this process. I guess you might refer to the process of requesting this output restored data by downstream side. It should be compatible with existing `PartitionRequest`, no need changes on upstream side. But it might need some changes on downstream side to decide when to request this restored output, and it is actually related to the input side recovery, to avoid the upstream's output overtaking the downstream's input states. I would consider it in the input recovery PR.
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