[jira] [Commented] (AMBARI-22472) Update all NodeManager's HSI identities to use hive.service.keytab file created by HIVE.

["Swapan Shridhar (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/AMBARI-22472?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16257923#comment-16257923 ] 

Swapan Shridhar commented on AMBARI-22472:
------------------------------------------

*Fix:*  Make * llap_zk_hive* also point as a reference pointing to  /HIVE/HIVE_SERVER/hive_server_hive, so that we have one identity getting created only at one place and one keytab file.


> Update all NodeManager's HSI identities to use hive.service.keytab file created by HIVE.
> ----------------------------------------------------------------------------------------
>
>                 Key: AMBARI-22472
>                 URL: https://issues.apache.org/jira/browse/AMBARI-22472
>             Project: Ambari
>          Issue Type: Bug
>            Reporter: Swapan Shridhar
>
> *Background:*
> YARN NodeManager currently have 2 identities in 2.5 and 2.6 stack, namely : *'/HIVE/HIVE_SERVER/hive_server_hive'*  and *'llap_zk_hive'*.
> - */HIVE/HIVE_SERVER/hive_server_hive* is a reference from HIVE_SERVER, whereas
> - *llap_zk_hive* creates same principal as above in a separate keytab file.
> *Issue:* Recreating same identities in different files creates issues while AMbari upgrade from 2.5 to 2.6, as the *llap_zk_hive* are not refreshed/updated after the upgrade. Thus, HSI fails to come up.



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