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https://issues.apache.org/jira/browse/YARN-10699?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Siddharth Ahuja reassigned YARN-10699:
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Assignee: Siddharth Ahuja
> Document the fact that usage of usernames/groupnames with a "." (dot) is
> strictly not recommended
> -------------------------------------------------------------------------------------------------
>
> Key: YARN-10699
> URL: https://issues.apache.org/jira/browse/YARN-10699
> Project: Hadoop YARN
> Issue Type: Improvement
> Components: docs, documentation
> Reporter: Siddharth Ahuja
> Assignee: Siddharth Ahuja
> Priority: Major
>
> Based on discussions in YARN-10652, it is clear that usage of a "." (dot) in
> a username/groupname (e.g. users in AD/LDAP) can cause unexpected issues e.g.
> [placement rules involving username (%user placeholder) will definitely
> exhibit unexpected
> behavior|https://issues.apache.org/jira/browse/YARN-10652?focusedCommentId=17295964&page=com.atlassian.jira.plugin.system.issuetabpanels%3Acomment-tabpanel#comment-17295964].
> As such, we need to document clearly for our customers that this use-case is
> strictly not recommended in CapacityScheduler.
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