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https://issues.apache.org/jira/browse/AMBARI-7246?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Nate Cole updated AMBARI-7246:
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Fix Version/s: (was: 2.1.1)
2.1.2
> Ability to know the host-hostgroup relationship
> -----------------------------------------------
>
> Key: AMBARI-7246
> URL: https://issues.apache.org/jira/browse/AMBARI-7246
> Project: Ambari
> Issue Type: Technical task
> Components: ambari-server
> Affects Versions: 1.7.0
> Reporter: Krisztian Horvath
> Assignee: Krisztian Horvath
> Fix For: 2.1.2
>
> Attachments: AMBARI-7246-0.patch, AMBARI-7246-0.png
>
>
> Use case: A cluster is installed from a blueprint thus every host belongs to
> a host group. We created an open source project Periscope which can scale up
> or down based on host groups. Currently the association is stored at
> Cloudbreak side which actually installed the cluster. It would be much
> convenient if we could ask Ambari which node(s) can we delete from a host
> group in case of a scale down.
> For example if we'd say we want to remove 2 nodes from slaves host group we
> could ask ambari which nodes belong to that group.
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