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https://issues.apache.org/jira/browse/HBASE-21994?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17022512#comment-17022512
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Michael Stack commented on HBASE-21994:
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Still need this [~zhangduo] ? Needs update.

> Expose TableDescriptors to master coprocessor
> ---------------------------------------------
>
>                 Key: HBASE-21994
>                 URL: https://issues.apache.org/jira/browse/HBASE-21994
>             Project: HBase
>          Issue Type: Improvement
>            Reporter: Duo Zhang
>            Assignee: Duo Zhang
>            Priority: Major
>             Fix For: 3.0.0, 2.3.0
>
>         Attachments: HBASE-21994-v1.patch, HBASE-21994-v2.patch, 
> HBASE-21994.patch
>
>
> When implementing HBASE-21717, I found that AccessController will use the 
> Admin interface to get table descriptors on master. We can expose the read 
> only methods in TableDescritors to CPs so user can get the table descriptor 
> directly.



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