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From "Swapan Shridhar (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (AMBARI-22472) AMBARI-22472. Ambari Upgrade 2.5 -> 2.6 : Update NodeManager's HSI identity 'llap_zk_hive' and 'llap_task_hive' to use '/HIVE/HIVE_SERVER/hive_server_hive' reference instead of creating the same identity again.
Date Tue, 21 Nov 2017 07:30:00 GMT

     [ https://issues.apache.org/jira/browse/AMBARI-22472?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Swapan Shridhar updated AMBARI-22472:
-------------------------------------
    Attachment: AMBARI-22472.1.patch

> AMBARI-22472. Ambari Upgrade 2.5 -> 2.6 : Update NodeManager's HSI identity 'llap_zk_hive'
and 'llap_task_hive' to use '/HIVE/HIVE_SERVER/hive_server_hive' reference instead of creating
the same identity again.
> ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: AMBARI-22472
>                 URL: https://issues.apache.org/jira/browse/AMBARI-22472
>             Project: Ambari
>          Issue Type: Bug
>            Reporter: Swapan Shridhar
>            Assignee: Swapan Shridhar
>         Attachments: AMBARI-22472.1.patch, AMBARI-22472.patch, Screen Shot 2017-11-17
at 11.44.41 PM.png, Screen Shot 2017-11-17 at 11.44.55 PM.png
>
>
> **Background:**
> YARN NodeManager currently has:
> - 2 identities in 2.5 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.
> - and 3 identities in 2.6 stack:
> *'/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** and **llap_task_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.
> **Fix:** 
> **For HDP 2.5:** Make **llap_zk_hive** 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.
> **For HDP 2.6:** Make **llap_zk_hive** and **llap_task_hive** 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.



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