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https://issues.apache.org/jira/browse/YARN-2424?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14102357#comment-14102357
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Alejandro Abdelnur commented on YARN-2424:
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[~raviprak], allow to sudo to more than one user in unsecure mode, it doesn't
give you any extra security. Actually, it may give you a sense of false
security.
On using groups in the LCE blacklist/whitelist, i'll comment in YARN-2429.
> LCE should support non-cgroups, non-secure mode
> -----------------------------------------------
>
> Key: YARN-2424
> URL: https://issues.apache.org/jira/browse/YARN-2424
> Project: Hadoop YARN
> Issue Type: Bug
> Components: nodemanager
> Affects Versions: 2.3.0, 2.4.0, 2.5.0, 2.4.1
> Reporter: Allen Wittenauer
> Priority: Blocker
> Attachments: YARN-2424.patch
>
>
> After YARN-1253, LCE no longer works for non-secure, non-cgroup scenarios.
> This is a fairly serious regression, as turning on LCE prior to turning on
> full-blown security is a fairly standard procedure.
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