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https://issues.apache.org/jira/browse/AMBARI-8225?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14203453#comment-14203453
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Jeff Sposetti commented on AMBARI-8225:
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Thanks [~nalex]. This is a great start! A few things:
1) When showing sync status on the services summary area, if a subset of hosts
are out of sync, what will it display? Think a red icon with "X of Y hosts out
of sync"
2) I think that text would link to hosts page so users can find the out of sync
hosts
3) Would need to think about how this is shown and filtered per host on the
Hosts page so a user can find host(s) that have out of sync config status
4) And on the Host details page, show sync icon info with each component (i.e.
my DataNode component might be out of sync but not the NodeManager on a given
host)
5) Also will need a phase 3: on save config, if configs are out of sync, how
will the flow go. Should prompt user to proceed + overwrite or merge?
> 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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