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https://issues.apache.org/jira/browse/AMBARI-3531?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Srimanth Gunturi updated AMBARI-3531:
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Assignee: Siddharth Wagle (was: Srimanth Gunturi)
As a solution we are proposing the concept of service-level
{{Configuration-Group}}s.
A {{configuration-group}} associates service-level configuration overrides for
a group of hosts. In a service, a host can belong to only 1
{{configuration-group}}. This should provide a scalable implementation capable
of solving each of the usecases mentioned.
> Provide configuration host overrides capability in Ambari
> ---------------------------------------------------------
>
> Key: AMBARI-3531
> URL: https://issues.apache.org/jira/browse/AMBARI-3531
> Project: Ambari
> Issue Type: New Feature
> Components: controller
> Affects Versions: 1.4.1
> Reporter: Srimanth Gunturi
> Assignee: Siddharth Wagle
> Fix For: 1.4.2
>
>
> Ambari currently provides cluster level service configurations.
> This is a problem when the cluster has a mix of different hardwares requiring
> different configurations for a group of hosts of a service. For example, some
> DataNodes having bigger disks might need extra mount points in
> {{dfs_datanode_data_dir}}.
> Ambari needs to provide configuration override capability for a group of
> hosts per service.
> The primary use cases from UI perspective are the ability to
> # Override 3 properties for 500 hosts
> # Go to host and see effective configurations
> # Save configuration without restarting
> # Indicate which services/components need restarting
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