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Posted to yarn-issues@hadoop.apache.org by "Eric Badger (JIRA)" <ji...@apache.org> on 2018/07/11 21:50:00 UTC
[jira] [Resolved] (YARN-8241) MRAppMaster fails when using UID:GID
pair within docker container
[ https://issues.apache.org/jira/browse/YARN-8241?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Eric Badger resolved YARN-8241.
-------------------------------
Resolution: Won't Fix
We do not plan to support running containers in which a user lookup cannot be performed. This is to be considered a base requirement for a container to run. Some sort of user lookup mechanism such as nscd, sssd, /etc/passwd, or something else needs to be implemented so that the UID:GID pair can be linked to a user and group
> MRAppMaster fails when using UID:GID pair within docker container
> -----------------------------------------------------------------
>
> Key: YARN-8241
> URL: https://issues.apache.org/jira/browse/YARN-8241
> Project: Hadoop YARN
> Issue Type: Sub-task
> Reporter: Eric Badger
> Priority: Major
> Labels: Docker
>
> As mentioned in [this comment|https://issues.apache.org/jira/browse/YARN-4266?focusedCommentId=16063931&page=com.atlassian.jira.plugin.system.issuetabpanels%3Acomment-tabpanel#comment-16063931], the MRAppMaster fails for docker containers if there is no additional user lookup strategy (e.g. bind-mounting /var/run/nscd or /etc/passwd). We need a better solution so that users can still run even if they are not known inside of the container by name
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