zhijiangW edited a comment on issue #7713: [FLINK-10995][runtime] Copy intermediate serialization results only once for broadcast mode URL: https://github.com/apache/flink/pull/7713#issuecomment-535839965 Thanks for the reviews @pnowojski @AHeise ! I updated the codes for addressing comments. For the issue of `Optional` I would like to adjust it in a future separate ticket also including the previous `outputFlusher`, since both of you agree that. For the Piotr's concern of #7713, it is a pity that we have not any elegant ways atm.
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