Alejandro Fernandez created AMBARI-8703:
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Summary: Rolling Upgrade - Upgrade Pack to run preupgrade tasks
only on master for NameNode and ResourceManager
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 and ResourceManager only run on
the master instead of all hosts. The UpgradeResourceProvider and UpgradeHelper
will need to support such logic.
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