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https://issues.apache.org/jira/browse/AMBARI-15637?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Alejandro Fernandez updated AMBARI-15637:
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Attachment: AMBARI-15637.branch-2.2.patch
> If RU/EU is paused, services are restarted on the older version. EU is more
> complex since stopping services should use the original version.
> --------------------------------------------------------------------------------------------------------------------------------------------
>
> Key: AMBARI-15637
> URL: https://issues.apache.org/jira/browse/AMBARI-15637
> Project: Ambari
> Issue Type: Bug
> Components: ambari-server
> Affects Versions: 2.2.2
> Reporter: Alejandro Fernandez
> Priority: Critical
> Fix For: 2.2.2
>
> Attachments: AMBARI-15637.branch-2.2.patch
>
>
> Currently, if RU/EU is paused, then restarting services manually will use the
> version whose state is CURRENT. This means that services may be restarted on
> the wrong version, preventing Ambari from correctly Finalizing the upgrade.
> Instead, the logic should be as follows during Upgrade:
> RU: always use to_version
> EU: if haven't completed the action "UPDATE_DESIRED_STACK_ID", then use the
> from_version, otherwise, use the to_version.
> During Downgrade, both should use the original version, which is actually the
> to_version column in the upgrade table.
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