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From "Jayush Luniya" <jlun...@hortonworks.com>
Subject Re: Review Request 42667: AMBARI-14779. Hive service check failed after EU from HDP 2.1 to 2.3 since ATS is missing in Kerberized cluster and configs are wrong
Date Fri, 22 Jan 2016 20:30:15 GMT

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This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/42667/#review115920
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"The fix is to persist the ATS v1.0 configs even if ATS is not present. The service checks
will still fail, but the user can then add ATS after EU is done."
Are we ok with service checks failing during EU or this a temporary fix for now? Can we do
something to notify the user and skip service checks for Hive in EU in this setup?

- Jayush Luniya


On Jan. 22, 2016, 7:02 p.m., Alejandro Fernandez wrote:
> 
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> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/42667/
> -----------------------------------------------------------
> 
> (Updated Jan. 22, 2016, 7:02 p.m.)
> 
> 
> Review request for Ambari, Dmytro Grinenko, Dmitro Lisnichenko, Jayush Luniya, Mahadev
Konar, Nate Cole, and Swapan Shridhar.
> 
> 
> Bugs: AMBARI-14779
>     https://issues.apache.org/jira/browse/AMBARI-14779
> 
> 
> Repository: ambari
> 
> 
> Description
> -------
> 
> Steps
> 
> * Install HDP 2.1 cluster with ambari 2.2.1 (HFDS, YARN, ZK, Hive)
> * Kerberize the cluster, this will remove ATS
> * Bootstrap the cluster with versions
> * Install HDP 2.3 and perform EU
> * Run Hive service check after EU is complete
> 
> 
> In HDP 2.1, YARN ATS v1.0 did not support kerberos, so kerberizing the cluster removed
that component. This means that EU from HDP 2.1 to 2.3 cannot persist the ATS v1.0 configs
and instead adds the ATS v1.5 configs that default to stack HDP 2.3. For that reason, Hive
Service Check fails.
> 
> The fix is to persist the ATS v1.0 configs even if ATS is not present. The service checks
will still fail, but the user can then add ATS after EU is done.
> 
> 
> Diffs
> -----
> 
>   ambari-server/src/main/resources/stacks/HDP/2.1/upgrades/nonrolling-upgrade-2.3.xml
9f0458b 
>   ambari-server/src/main/resources/stacks/HDP/2.3/upgrades/config-upgrade.xml 9e53c12

> 
> Diff: https://reviews.apache.org/r/42667/diff/
> 
> 
> Testing
> -------
> 
> Verified during an EU from HDP 2.1 to 2.3 with ATS removed.
> 
> 
> Thanks,
> 
> Alejandro Fernandez
> 
>


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