Github user wangzhijiang999 commented on the issue:
https://github.com/apache/flink/pull/2770
@tillrohrmann , thank you for review!
Actually this PR is out-of-date based on flip-6, and my following
modifications do not update this PR. This PR should be re-submitted based on
master and I forgot to close it.
Some above suggestions have already been fixed in the current
implementation, and I want to merge this part in #3151 in order to be reviewed
easily.
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