TisonKun commented on issue #9684: [FLINK-13992][coordination] Refactor Optional parameter in InputGateWithMetrics#updateMetrics URL: https://github.com/apache/flink/pull/9684#issuecomment-531803145 Thanks for your review @azagrebin! I'm not very sure about your addition. IMO it is good to separate code style changes with feature efforts. In your words it seems you also agree this opinion but there is an "although" and following this statement > The small code style improvements are not associated with any feature efforts and clutter the history which makes understanding the original reason for the code lines harder. What best practice do you suggest here exactly? Could you explain a bit?
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