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https://issues.apache.org/jira/browse/HDFS-12907?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Kihwal Lee updated HDFS-12907:
------------------------------
Resolution: Fixed
Hadoop Flags: Reviewed
Fix Version/s: 2.8.4
3.0.1
2.9.1
2.10.0
3.1.0
Status: Resolved (was: Patch Available)
Committed this to trunk, branch-3.0, branch-2, branch-2.9 and branch-2.8. I
enjoyed reading the discussion in this jira. Thanks everyone.
> Allow read-only access to reserved raw for non-superusers
> ---------------------------------------------------------
>
> Key: HDFS-12907
> URL: https://issues.apache.org/jira/browse/HDFS-12907
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: namenode
> Affects Versions: 2.6.0
> Reporter: Daryn Sharp
> Assignee: Rushabh S Shah
> Fix For: 3.1.0, 2.10.0, 2.9.1, 3.0.1, 2.8.4
>
> Attachments: HDFS-12907.001.patch, HDFS-12907.002.patch,
> HDFS-12907.003.patch, HDFS-12907.004.patch, HDFS-12907.branch-2.004.patch,
> HDFS-12907.patch
>
>
> HDFS-6509 added a special /.reserved/raw path prefix to access the raw file
> contents of EZ files. In the simplest sense it doesn't return the FE info in
> the {{LocatedBlocks}} so the dfs client doesn't try to decrypt the data.
> This facilitates allowing tools like distcp to copy raw bytes.
> Access to the raw hierarchy is restricted to superusers. This seems like an
> overly broad restriction designed to prevent non-admins from munging the EZ
> related xattrs. I believe we should relax the restriction to allow
> non-admins to perform read-only operations. Allowing non-superusers to
> easily read the raw bytes will be extremely useful for regular users, esp.
> for enabling webhdfs client-side encryption.
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