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Posted to yarn-issues@hadoop.apache.org by "Eric Badger (JIRA)" <ji...@apache.org> on 2018/08/22 20:28:00 UTC

[jira] [Reopened] (YARN-8675) Setting hostname of docker container breaks with "host" networking mode for Apps which do not run as a YARN service

     [ https://issues.apache.org/jira/browse/YARN-8675?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Eric Badger reopened YARN-8675:
-------------------------------

> 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
>            Reporter: Yesha Vora
>            Assignee: Suma Shivaprasad
>            Priority: Major
>              Labels: Docker
>
> 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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