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https://issues.apache.org/jira/browse/HBASE-10619?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14483463#comment-14483463
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Andrew Purtell commented on HBASE-10619:
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bq. Please note that for disable table, there is an extra check for META table. 
Even for super user this op is not allowed. 

This is fine as a special case IMO, if the META table is disabled then 
everything immediately falls over. I think we need the same protection on the 
namespace table too. The superuser should be able to otherwise create, modify, 
enable/disable, and delete tables in the system namespace.



> Don't allow non super users to disable/drop system tables
> ---------------------------------------------------------
>
>                 Key: HBASE-10619
>                 URL: https://issues.apache.org/jira/browse/HBASE-10619
>             Project: HBase
>          Issue Type: Bug
>            Reporter: Anoop Sam John
>            Assignee: Anoop Sam John
>         Attachments: HBASE-10619.patch, HBASE-10619_V2.patch, 
> HBASE-10619_V3.patch, HBASE-10619_V4.patch
>
>
> We should treat NS table just like META table, which is having checks so that 
> user can not disable/drop.



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