Ferenc Csaky created FLINK-32811:
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Summary: Add port range support for taskmanager.data.bind-port
Key: FLINK-32811
URL: https://issues.apache.org/jira/browse/FLINK-32811
Project: Flink
Issue Type: Improvement
Components: Runtime / Configuration, Runtime / Coordination
Reporter: Ferenc Csaky
Fix For: 1.19.0
Adding this feature could be helpful for installation in a restrictive network
setup. The "port range" support is already available for some other port config
options anyway.
Right now, it is possible to specify a {{taskmanager.data.port}} and
{{taskmanager.data.bind-port}} to be able to support NAT-like setups, although
{{taskmanager.data.port}} is not bound to anything itself, so supporting a port
range there is not an option according to my understanding.
Although, supporting a port range only for {{taskmanager.data.bind-port}} can
be still helpful for anyone who does not require a NAT capability, because if
{{taskmanager.data.bind-port}} is set and {{taskmanager.data.port}} is set to
*0*, then the bound port will be used everywhere.
This change should keep the already possible setups working as is.
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