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https://issues.apache.org/jira/browse/AMBARI-4419?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13882546#comment-13882546
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Sumit Mohanty commented on AMBARI-4419:
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LGTM, +1
> Add Passive State for Service, Host, HostComponent
> --------------------------------------------------
>
> Key: AMBARI-4419
> URL: https://issues.apache.org/jira/browse/AMBARI-4419
> Project: Ambari
> Issue Type: Task
> Components: controller
> Reporter: Nate Cole
> Assignee: Nate Cole
> Fix For: 1.5.0
>
> Attachments: AMBARI-4419.patch
>
>
> Add ability set a new state on Service, Host, HostComponent - a Passive State.
> Passive State is used to maintain control of a unit in Ambari, but skip
> operations that include an item. Examples:
> * If a Service is Passive, a call to restart all Services should skip a
> passive one.
> * However, said Service can be acted upon, if it is a direct target.
> * A restart of a Service will ignore Hosts that are Passive.
> * A restart of a Service will ignore HostComponents that are Passive.
> * Rolling restarts do not affect items that are marked Passive
> Passivated items will not generate alerts (that will be filed and tracked
> separately)
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