Github user GJL commented on the issue: https://github.com/apache/flink/pull/5334 I have a usability concern. It's possible to run ``` FLINK_MODE=flip6 bin/start-cluster.sh ``` This will start a cluster in flilp6 mode. However, ``` FLINK_MODE=flip6 bin/flink list ``` won't work. If the first way is not intended, then it doesn't matter.
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