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https://issues.apache.org/jira/browse/HBASE-20886?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16555997#comment-16555997
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Reid Chan commented on HBASE-20886:
-----------------------------------

bq. One final thought: ...
Multiple credentials-like issues always happens on server-side, e.g, hbase 
thrift server. But i doubt client-side should handle this, or leave it to 
client's application i think...




> [Auth] Support keytab login in hbase client
> -------------------------------------------
>
>                 Key: HBASE-20886
>                 URL: https://issues.apache.org/jira/browse/HBASE-20886
>             Project: HBase
>          Issue Type: Improvement
>          Components: asyncclient, Client, security
>            Reporter: Reid Chan
>            Assignee: Reid Chan
>            Priority: Critical
>         Attachments: HBASE-20886.master.001.patch, 
> HBASE-20886.master.002.patch, HBASE-20886.master.003.patch, 
> HBASE-20886.master.004.patch, HBASE-20886.master.005.patch
>
>
> There're lots of questions about how to connect to kerberized hbase cluster 
> through hbase-client api from user-mail and slack channel.
> {{hbase.client.keytab.file}} and {{hbase.client.keytab.principal}} are 
> already existed in code base, but they are only used in {{Canary}}.
> This issue is to make use of two configs to support client-side keytab based 
> login, after this issue resolved, hbase-client should directly connect to 
> kerberized cluster without changing any code as long as 
> {{hbase.client.keytab.file}} and {{hbase.client.keytab.principal}} are 
> specified.



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