Github user azagrebin commented on the issue:
https://github.com/apache/flink/pull/6186
Thanks for review @sihuazhou, I think now all concerns should have been
addressed.
CI failure is unrelated, works in [my CI for the same
commit](https://travis-ci.org/azagrebin/flink/builds/395137069?utm_source=github_status&utm_medium=notification).---
