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https://issues.apache.org/jira/browse/YARN-108?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Arun C Murthy closed YARN-108.
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> FSDownload can create cache directories with the wrong permissions
> ------------------------------------------------------------------
>
> Key: YARN-108
> URL: https://issues.apache.org/jira/browse/YARN-108
> Project: Hadoop YARN
> Issue Type: Bug
> Components: nodemanager
> Affects Versions: 0.23.3, 2.0.0-alpha
> Reporter: Jason Lowe
> Assignee: Jason Lowe
> Priority: Critical
> Fix For: 2.0.2-alpha, 0.23.4
>
> Attachments: YARN-108.patch
>
>
> When the cluster is configured with a restrictive umask, e.g.:
> {{fs.permissions.umask-mode=0077}}, the nodemanager can end up creating
> directory entries in the public cache with the wrong permissions. The
> permissions can end up where only the nodemanager user can access files in
> the public cache, preventing jobs from running properly.
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