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https://issues.apache.org/jira/browse/HBASE-8662?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13687156#comment-13687156
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Jimmy Xiang commented on HBASE-8662:
------------------------------------

[~toffer], very simple solution. That's good. The difference mainly is that you 
switch the user based on the current user using doAs, and don't save a context 
per user. However, the HConnection(and the ticket) is cached in the HBaseAdmin 
and HTablePool. I was wondering how the RPC client gets the current ugi (the 
ticket) with your patch.



                
> [rest] support impersonation
> ----------------------------
>
>                 Key: HBASE-8662
>                 URL: https://issues.apache.org/jira/browse/HBASE-8662
>             Project: HBase
>          Issue Type: Sub-task
>          Components: REST, security
>            Reporter: Jimmy Xiang
>            Assignee: Jimmy Xiang
>             Fix For: 0.98.0
>
>         Attachments: secure_rest.patch, trunk-8662.patch, trunk-8662_v2.patch
>
>
> Currently, our client API uses a fixed user: the current user. It should 
> accept a user passed in, if authenticated.

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