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https://issues.apache.org/jira/browse/YARN-2424?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14102794#comment-14102794
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Alejandro Abdelnur commented on YARN-2424:
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Repeating myself from a previous comment: "YARN-1253 is not about protecting
HDFS or YARN, it is about protecting the node at OS level by enforcing the use
of a least privileged user."
> 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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