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https://issues.apache.org/jira/browse/HIVE-6486?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13911810#comment-13911810
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Shivaraju Gowda commented on HIVE-6486:
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Thanks Kevin for the review.
Vaibhav, Let me know if you need any information or clarification on it.
> Support secure Subject.doAs() in HiveServer2 JDBC client.
> ---------------------------------------------------------
>
> Key: HIVE-6486
> URL: https://issues.apache.org/jira/browse/HIVE-6486
> Project: Hive
> Issue Type: Improvement
> Components: JDBC
> Affects Versions: 0.11.0, 0.12.0
> Reporter: Shivaraju Gowda
> Attachments: Hive_011_Support-Subject_doAS.patch,
> TestHive_SujectDoAs.java
>
>
> HIVE-5155 addresses the problem of kerberos authentication in multi-user
> middleware server using proxy user. In this mode the principal used by the
> middle ware server has privileges to impersonate selected users in
> Hive/Hadoop.
> This enhancement is to support Subject.doAs() authentication in Hive JDBC
> layer so that the end users Kerberos Subject is passed through in the middle
> ware server. With this improvement there won't be any additional setup in the
> server to grant proxy privileges to some users and there won't be need to
> specify a proxy user in the JDBC client. This version should also be more
> secure since it won't require principals with the privileges to impersonate
> other users in Hive/Hadoop setup.
>
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