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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-8675) Setting hostname of docker container breaks with "host" networking mode for Apps which do not run as a YARN service
Date Mon, 27 Aug 2018 19:04:00 GMT

    [ https://issues.apache.org/jira/browse/YARN-8675?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16594107#comment-16594107
] 

Hudson commented on YARN-8675:
------------------------------

SUCCESS: Integrated in Jenkins build Hadoop-trunk-Commit #14840 (See [https://builds.apache.org/job/Hadoop-trunk-Commit/14840/])
YARN-8675. Remove default hostname for docker containers when net=host. (billie: rev 05b2bbeb357d4fa03e71f2bfd5d8eeb0ea6c3f60)
* (edit) hadoop-yarn-project/hadoop-yarn/hadoop-yarn-server/hadoop-yarn-server-nodemanager/src/main/java/org/apache/hadoop/yarn/server/nodemanager/containermanager/linux/runtime/DockerLinuxContainerRuntime.java


> 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: 3.1.0, 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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