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https://issues.apache.org/jira/browse/YARN-8675?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Billie Rinaldi updated YARN-8675:
---------------------------------
Affects Version/s: 3.1.1
> Setting hostname of docker container breaks with "host" networking mode for
> Apps which do not run as a YARN service
> -------------------------------------------------------------------------------------------------------------------
>
> Key: YARN-8675
> URL: https://issues.apache.org/jira/browse/YARN-8675
> Project: Hadoop YARN
> Issue Type: Bug
> Affects Versions: 3.1.1
> Reporter: Yesha Vora
> Assignee: Suma Shivaprasad
> Priority: Major
> Labels: Docker
> Fix For: 3.2.0, 3.1.2
>
> Attachments: YARN-8675.1.patch, YARN-8675.2.patch, YARN-8675.3.patch,
> YARN-8675.4.patch
>
>
> Applications like the Spark AM currently do not run as a YARN service and
> setting hostname breaks driver/executor communication if docker version
> >=1.13.1 , especially with wire-encryption turned on.
> YARN-8027 sets the hostname if YARN DNS is enabled. But the cluster could
> have a mix of YARN service/native Applications.
> The proposal is to not set the hostname when "host" networking mode is
> enabled.
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