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https://issues.apache.org/jira/browse/HBASE-22377?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16838227#comment-16838227
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Andrew Purtell commented on HBASE-22377:
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Copying my comments from the PR
The rubocop result is silly. I left the formatting the same as I found it.
Somehow it was not valid before? But if someone feels this is legitimate, I can
just drop the change to admin.rb, it is just a trivial thing.
The unit test failure looks unrelated, perhaps environmental.
This looks ready to go to me.
> Provide API to check the existence of a namespace which does not require
> ADMIN permissions
> ------------------------------------------------------------------------------------------
>
> Key: HBASE-22377
> URL: https://issues.apache.org/jira/browse/HBASE-22377
> Project: HBase
> Issue Type: Improvement
> Affects Versions: 1.3.2
> Reporter: Chinmay Kulkarni
> Assignee: Andrew Purtell
> Priority: Major
> Fix For: 3.0.0, 1.5.0, 1.4.10, 2.3.0, 2.1.5, 2.2.1, 1.3.5
>
> Attachments: HBASE-22377-branch-1.patch, HBASE-22377-branch-1.patch,
> HBASE-22377-branch-2.patch, HBASE-22377-branch-2.patch, HBASE-22377.patch,
> HBASE-22377.patch
>
>
> Currently, to check the existence of a namespace, clients can use
> HBaseAdmin#getNamespaceDescriptor. eEventually on the server-side, this calls
> AccessController#preGetNamespaceDescriptor which tries to acquire ADMIN
> permissions for that namespace.
> We should have an API for clients to be able to check the existence of a
> namespace, without necessarily obtaining the namespace descriptor. Such an
> API would not require ADMIN permissions.
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