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https://issues.apache.org/jira/browse/HDFS-12895?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Yiqun Lin updated HDFS-12895:
-----------------------------
Resolution: Fixed
Hadoop Flags: Incompatible change,Reviewed
Fix Version/s: 3.0.1
2.9.1
2.10.0
3.1.0
Status: Resolved (was: Patch Available)
The failed UT are not related.
Committed this to trunk, branch-3.0, branch-2 and branch-2.9.
Thanks [~elgoiri] for the reviews and testing. Also thanks [~huanbang1993] and
[~lukmajercak] for the reviews.
> RBF: Add ACL support for mount table
> ------------------------------------
>
> Key: HDFS-12895
> URL: https://issues.apache.org/jira/browse/HDFS-12895
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Affects Versions: 3.0.0-alpha3
> Reporter: Yiqun Lin
> Assignee: Yiqun Lin
> Labels: RBF
> Fix For: 3.1.0, 2.10.0, 2.9.1, 3.0.1
>
> Attachments: HDFS-12895-branch-2.001.patch, HDFS-12895.001.patch,
> HDFS-12895.002.patch, HDFS-12895.003.patch, HDFS-12895.004.patch,
> HDFS-12895.005.patch, HDFS-12895.006.patch, HDFS-12895.007.patch
>
>
> Adding ACL support for the Mount Table management. Following is the initial
> design of ACL control for the mount table management.
> Each mount table has its owner, group name and permission.
> The mount table permissions (FsPermission), here we use
> {{org.apache.hadoop.fs.permission.FsPermission}} to do the access check:
> # READ permission: you can read the mount table info.
> # WRITE permission: you can add remove or update this mount table info.
> # EXECUTE permission: This won't be used.
> The add command of mount table will be extended like this
> {noformat}
> $HADOOP_HOME/bin/hdfs dfsrouteradmin [-add <source> <nameservice>
> <destination> [-owner <owner>] [-group <group>] [-mode <mode>]]
> {noformat}
> *<mode> is UNIX-style permissions for the mount table. Permissions are
> specified in octal, e.g. 0755. By default, this is set to 0755*.
> If we want update the ACL info of specfied mount table, just execute add
> command again. This command not only adding for new mount talle but also
> updating mount table once it finds given mount table is existed.
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