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From "Newton Alex (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (AMBARI-8225) Configuration Monitor - Ability to indicate if the configurations have been changed manually outside Ambari
Date Sat, 08 Nov 2014 01:12:33 GMT

     [ https://issues.apache.org/jira/browse/AMBARI-8225?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Newton Alex updated AMBARI-8225:
--------------------------------
    Attachment: AmbariConfigurationMonitor-ProposalAndDesign.pdf

Please find attached the proposal and design. Inviting feedbacks. Thanks

> Configuration Monitor - Ability to indicate if the configurations have been changed manually
outside Ambari
> -----------------------------------------------------------------------------------------------------------
>
>                 Key: AMBARI-8225
>                 URL: https://issues.apache.org/jira/browse/AMBARI-8225
>             Project: Ambari
>          Issue Type: Improvement
>            Reporter: Newton Alex
>            Assignee: Newton Alex
>             Fix For: 2.0.0
>
>         Attachments: AmbariConfigurationMonitor-ProposalAndDesign.pdf
>
>
> Users who are familiar with Hadoop configurations (or any other service) tend to change
the configuration files directly on the cluster nodes without using Ambari. It is quicker
and convenient for them to just directly change the files and restart the service on a particular
node rather than going through Ambari.  The downside of this is that Ambari doesn’t recognize
these changes and overwrites them during cluster upgrades or while reconfiguring services.

> Ambari should not be preventing the users from making changes themselves, as it would
be too restrictive. On the other hand, it would greatly benefit Ambari, if it is aware of
the manual configuration changes on the nodes as it can then alert the users of the changes
before doing any of its own.



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