Hey Elias,
thanks for opening a ticket (for reference:
https://issues.apache.org/jira/browse/FLINK-8311). I fully agree with
adding docs for this. I will try to write something down this week.
Your point about JobManagers only coordinating via ZK is correct
though. I had a look into the
There is a need for better documentation on what connects to what over
which ports in a Flink cluster to allow users to configure network access
control rules.
I was under the impression that in a ZK HA configuration the Job Managers
were essentially independent and only coordinated via ZK. But
