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https://issues.apache.org/jira/browse/HBASE-16105?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15348314#comment-15348314
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Anoop Sam John commented on HBASE-16105:
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SYSTEM label is kind of global Admin in vis label space. In order to R/W to
labels table, the user need to have this label associated with him.
> Document usage of SYSTEM label
> ------------------------------
>
> Key: HBASE-16105
> URL: https://issues.apache.org/jira/browse/HBASE-16105
> Project: HBase
> Issue Type: Task
> Affects Versions: 2.0.0
> Reporter: ramkrishna.s.vasudevan
> Assignee: ramkrishna.s.vasudevan
> Priority: Critical
>
> Raising this JIRA as critical because an user when trying to use the
> CellCreator interface for the Visibility labels was not sure how to ensure
> that the user executing this cellCreator from the MR/Spark job is having
> permissions to read the LABELS table. We need the user to be associated with
> a label called SYSTEM label. This is not documented and also need to see in
> what case an user can be assoicated with SYSTEM label and should this label
> be a reserved label. Ping [~anoop.hbase].
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