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From "Mahadev Konar" <maha...@apache.org>
Subject Re: Review Request 42038: AMBARI-14581. EU - orchestration of Hive Server and MetaStore needs to be sequential
Date Tue, 12 Jan 2016 01:55:21 GMT

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This is an automatically generated e-mail. To reply, visit:
https://reviews.apache.org/r/42038/#review113905
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Ship it!


Ship It!

- Mahadev Konar


On Jan. 12, 2016, 1:32 a.m., Alejandro Fernandez wrote:
> 
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> This is an automatically generated e-mail. To reply, visit:
> https://reviews.apache.org/r/42038/
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> 
> (Updated Jan. 12, 2016, 1:32 a.m.)
> 
> 
> Review request for Ambari, Dmytro Grinenko, Dmitro Lisnichenko, Jonathan Hurley, Jayush
Luniya, and Nate Cole.
> 
> 
> Bugs: AMBARI-14581
>     https://issues.apache.org/jira/browse/AMBARI-14581
> 
> 
> Repository: ambari
> 
> 
> Description
> -------
> 
> During an Express Upgrade, all of the tasks for Hive Server and Hive MetaStore run in
parallel, so if these components have multiple hosts, then running in parallel can cause errors
during the upgrade.
> E.g., Hive Server copies tarballs, which can only run one at a time. Hive MetaStore updates
the schema, and only one can run at a time.
> 
> 
> Diffs
> -----
> 
>   ambari-server/src/main/resources/stacks/HDP/2.1/upgrades/nonrolling-upgrade-2.3.xml
c9f94c4 
>   ambari-server/src/main/resources/stacks/HDP/2.2/upgrades/nonrolling-upgrade-2.2.xml
e57b13f 
>   ambari-server/src/main/resources/stacks/HDP/2.2/upgrades/nonrolling-upgrade-2.3.xml
b1c3739 
>   ambari-server/src/main/resources/stacks/HDP/2.2/upgrades/nonrolling-upgrade-2.4.xml
2917de3 
>   ambari-server/src/main/resources/stacks/HDP/2.3/upgrades/nonrolling-upgrade-2.3.xml
6aff6ba 
>   ambari-server/src/main/resources/stacks/HDP/2.3/upgrades/nonrolling-upgrade-2.4.xml
9e81483 
>   ambari-server/src/main/resources/stacks/HDP/2.4/upgrades/nonrolling-upgrade-2.4.xml
3706f99 
> 
> Diff: https://reviews.apache.org/r/42038/diff/
> 
> 
> Testing
> -------
> 
> Ran unit tests in UpgradeHelperTest.java and UpgradePackTest.java
> Verified with EU from HDP 2.2->2.3 with multiple Hive MetaStores.
> 
> Waiting for unit test results.
> 
> 
> Thanks,
> 
> Alejandro Fernandez
> 
>


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