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From "Srimanth Gunturi (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (AMBARI-3531) Provide configuration host overrides capability in Ambari
Date Wed, 16 Oct 2013 22:51:42 GMT

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

Srimanth Gunturi updated AMBARI-3531:
-------------------------------------

    Description: 
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

  was:
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:
* Override 3 properties for 500 hosts
* Go to host and see effective configurations
* Save configuration without restarting
* Indicate which services/components need restarting


> 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: Srimanth Gunturi
>             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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