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https://issues.apache.org/jira/browse/DRILL-4935?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15731567#comment-15731567
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Uwe L. Korn commented on DRILL-4935:
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To add another use case where this is very helpful:
If you run Drill on nodes with multiple hostnames, you can use this to tell
them the correct hostname to use. For example host often have a management and
a service hostname. Depending on your setup {{/etc/hostname}} may be the
management hostname. In this case the drillbits would by default try to connect
to eachother using their management interfaces (which will be firewalled). With
the new configuration option, you can force them to advertise their hostnames
and connect using the correct hostnames/interfaces.
> Allow drillbits to advertise a configurable host address to Zookeeper
> ---------------------------------------------------------------------
>
> Key: DRILL-4935
> URL: https://issues.apache.org/jira/browse/DRILL-4935
> Project: Apache Drill
> Issue Type: New Feature
> Components: Execution - RPC
> Affects Versions: 1.8.0
> Reporter: Harrison Mebane
> Priority: Minor
> Labels: ready-to-commit
> Fix For: 1.10.0
>
>
> There are certain situations, such as running Drill in distributed Docker
> containers, in which it is desirable to advertise a different hostname to
> Zookeeper than would be output by INetAddress.getLocalHost(). I propose
> adding a configuration variable 'drill.exec.rpc.bit.advertised.host' and
> passing this address to Zookeeper when the configuration variable is
> populated, otherwise falling back to the present behavior.
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