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https://issues.apache.org/jira/browse/HIVE-15403?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15736495#comment-15736495
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Sergey Shelukhin commented on HIVE-15403:
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+1
> LLAP: Login with kerberos before starting the daemon
> ----------------------------------------------------
>
> Key: HIVE-15403
> URL: https://issues.apache.org/jira/browse/HIVE-15403
> Project: Hive
> Issue Type: Bug
> Components: llap
> Affects Versions: 2.2.0
> Reporter: Prasanth Jayachandran
> Assignee: Prasanth Jayachandran
> Priority: Critical
> Attachments: HIVE-15403.1.patch, HIVE-15403.2.patch
>
>
> In LLAP cluster, if some of the nodes are kinit'ed with some user (other than
> default hive user) and some nodes are kinit'ed with hive user, both will end
> up in different paths under zk registry and may not be reported by the llap
> status tool. The reason for that is when creating zk paths we use
> UGI.getCurrentUser() but current user may not be same across all nodes
> (someone has to do global kinit). Before bringing up the daemon, if security
> is enabled each daemons should login based on specified kerberos principal
> and keytab for llap daemon service and update the current logged in user.
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