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https://issues.apache.org/jira/browse/YARN-7797?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16338055#comment-16338055
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Eric Yang commented on YARN-7797:
---------------------------------
Thank you for the review, [~billie.rinaldi] and [~shaneku...@gmail.com]. I
have revised the patch to change IP address only, the hostname is explicitly
set, hence it will be present and not reset to node manager hostname. The
check will apply to host network only instead of failed containers for
correctness.
> Docker host network can not obtain IP address for RegistryDNS
> -------------------------------------------------------------
>
> Key: YARN-7797
> URL: https://issues.apache.org/jira/browse/YARN-7797
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: nodemanager
> Affects Versions: 3.1.0
> Reporter: Eric Yang
> Assignee: Eric Yang
> Priority: Major
> Attachments: YARN-7797.001.patch, YARN-7797.002.patch
>
>
> When docker is configured to use host network, docker inspect command does
> not return IP address of the container. This prevents IP information to be
> collected for RegistryDNS to register a hostname entry for the docker
> container.
> The proposed solution is to intelligently detect the docker network
> deployment method, and report back host IP address for RegistryDNS.
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