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https://issues.apache.org/jira/browse/AMBARI-11399?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Jonathan Hurley resolved AMBARI-11399.
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Resolution: Fixed
> Merged Stack Configurations Don't Use Overrides On Upgrade
> ----------------------------------------------------------
>
> Key: AMBARI-11399
> URL: https://issues.apache.org/jira/browse/AMBARI-11399
> Project: Ambari
> Issue Type: Bug
> Components: ambari-server
> Affects Versions: 2.1.0
> Reporter: Jonathan Hurley
> Assignee: Jonathan Hurley
> Priority: Critical
> Fix For: 2.1.0
>
>
> When upgrading between HDP 2.2 and HDP 2.3, the merged configurations are not
> taking an override that exists in HDP 2.3 if the property was originally
> defined in HDP 2.2. For example:
> HDP 2.2: foo=bar
> HDP 2.3: foo=baz
> If the current value on the installed cluster is "bar" then then it was not
> customized and the new value of "baz" should be used. Only if the current
> stack value doesn't equal "bar" should the original value be preserved.
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