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https://issues.apache.org/jira/browse/HBASE-12644?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Ted Yu updated HBASE-12644:
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Status: Open (was: Patch Available)
> Visibility Labels: issue with storing super users in labels table
> -----------------------------------------------------------------
>
> Key: HBASE-12644
> URL: https://issues.apache.org/jira/browse/HBASE-12644
> Project: HBase
> Issue Type: Bug
> Components: security
> Affects Versions: 0.99.2, 0.98.8
> Reporter: Jerry He
> Assignee: Jerry He
> Fix For: 1.0.0, 2.0.0, 0.98.10
>
> Attachments: 12644-0.98.patch, HBASE-12644-master-v2.patch,
> HBASE-12644-master-v3.patch, HBASE-12644-master.patch
>
>
> Super users have all the permissions for ACL and Visibility labels.
> They are defined in hbase-site.xml.
> Currently in VisibilityController, we persist super user with their system
> permission in hbase:labels.
> This makes change in super user difficult.
> There are two issues:
> In the current DefaultVisibilityLabelServiceImpl.addSystemLabel, we only add
> super user when we initially create the 'system' label.
> No additional update after that even if super user changed. See code for
> details.
>
> Additionally, there is no mechanism to remove any super user from the labels
> table.
>
> We probably should not persist super users in the labels table.
> They are in hbase-site.xml and can just stay in labelsCache and used from
> labelsCache after retrieval by Visibility Controller.
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