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https://issues.apache.org/jira/browse/AMBARI-8703?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Alejandro Fernandez updated AMBARI-8703:
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Attachment: (was: AMBARI-8703.patch)
> Rolling Upgrade - Upgrade Pack to run preupgrade tasks only on master for
> NameNode
> ----------------------------------------------------------------------------------
>
> Key: AMBARI-8703
> URL: https://issues.apache.org/jira/browse/AMBARI-8703
> Project: Ambari
> Issue Type: Technical task
> Components: ambari-server
> Affects Versions: 2.0.0
> Reporter: Alejandro Fernandez
> Assignee: Alejandro Fernandez
> Fix For: 2.0.0
>
>
> The upgrade pack will need something like, <task xsi:type="execute"
> hosts="master" />
> so that the prepare instructions for NameNode only runs on the master instead
> of all hosts. The UpgradeResourceProvider and UpgradeHelper will need to
> support such logic.
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