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https://issues.apache.org/jira/browse/YARN-6811?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16115124#comment-16115124
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Junping Du commented on YARN-6811:
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I have commit the patch to trunk. For branch-2, my cherry-pick has several
conflicts and the build still get failed even after I fix these conflicts.
[~rohithsharma], can you upload a patch for branch-2?
> [ATS1.5] All history logs should be kept under its own User Directory.
> -----------------------------------------------------------------------
>
> Key: YARN-6811
> URL: https://issues.apache.org/jira/browse/YARN-6811
> Project: Hadoop YARN
> Issue Type: Improvement
> Components: timelineclient, timelineserver
> Reporter: Rohith Sharma K S
> Assignee: Rohith Sharma K S
> Attachments: YARN-6811.01.patch, YARN-6811.02.patch
>
>
> ATS1.5 allows to store history data in underlying FileSystem folder path i.e
> */acitve-dir* and */done-dir*. These base directories are protected for
> unauthorized user access for other users data by setting sticky bit for
> /active-dir.
> But object store filesystems such as WASB does not have user access control
> on folders and files. When WASB are used as underlying file system for
> ATS1.5, the history data which are stored in FS are accessible to all users.
> *This would be a security risk*
> I would propose to keep history data under its own user directory i.e
> */active-dir/$USER*. Even this do not solve basic user access from FS, but it
> provides capability to plugin Apache Ranger policies for each user folders.
> One thing to note that setting policies to each user folder is admin
> responsibility. But grouping all history data of one user folder allows to
> set policies so that user access control is achieved.
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