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From "Daniel Templeton (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (YARN-6261) YARN queue mapping fails for users with no group
Date Thu, 02 Mar 2017 00:21:45 GMT

     [ https://issues.apache.org/jira/browse/YARN-6261?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Daniel Templeton reassigned YARN-6261:

    Assignee: Pierre Villard  (was: Daniel Templeton)

> YARN queue mapping fails for users with no group
> ------------------------------------------------
>                 Key: YARN-6261
>                 URL: https://issues.apache.org/jira/browse/YARN-6261
>             Project: Hadoop YARN
>          Issue Type: Bug
>            Reporter: Pierre Villard
>            Assignee: Pierre Villard
> *Issue:* 
> Since Hadoop group mapping can be overridden (to get groups from an AD for example),
it is possible to be in a situation where a user does not have any group (because the user
is not in the AD but only defined locally):
> {noformat}
> $ hdfs groups zeppelin
> zeppelin:
> {noformat}
> In this case, if the YARN Queue Mapping is configured and contains at least one mapping
of {{MappingType.GROUP}}, it won't be possible to get a queue for the job submitted by such
a user and the job won't be submitted at all.
> *Expected result:* 
> In case a user does not have any group and no mapping is defined for this user, the default
queue should be assigned whatever the queue mapping definition is.
> *Workaround:* 
> A workaround is to define a group mapping of {{MappingType.USER}} for the given user
before defining any mapping of {{MappingType.GROUP}}.

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