[jira] [Resolved] (AMBARI-3531) Provide configuration host overrides capability in Ambari

["Siddharth Wagle (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/AMBARI-3531?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Siddharth Wagle resolved AMBARI-3531.
-------------------------------------

    Resolution: Fixed

All sub tasks completed.

> 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: 1.4.3
>
>         Attachments: AmbariConfigGroupManagement.pdf, AmbariConfigGroupsUI.pptx, Config_Stale.patch
>
>
> 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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