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Date: Fri, 13 May 2016 14:38:12 +0000 (UTC)
From: "Andrii Tkach (JIRA)" <jira@apache.org>
To: issues@ambari.apache.org
Message-ID: <JIRA.12969320.1463077450000.185074.1463150292938@Atlassian.JIRA>
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Subject: [jira] [Commented] (AMBARI-16643) Ambari allows installing a
 component on more than one host even with cardinality as 0-1
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archived-at: Fri, 13 May 2016 14:38:14 -0000


    [ https://issues.apache.org/jira/browse/AMBARI-16643?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15282737#comment-15282737 ] 

Andrii Tkach commented on AMBARI-16643:
---------------------------------------

committed to trunk and branch-2.4

> Ambari allows installing a component on more than one host even with cardinality as 0-1
> ---------------------------------------------------------------------------------------
>
>                 Key: AMBARI-16643
>                 URL: https://issues.apache.org/jira/browse/AMBARI-16643
>             Project: Ambari
>          Issue Type: Bug
>          Components: ambari-web
>    Affects Versions: 2.2.0
>            Reporter: Andrii Tkach
>            Assignee: Andrii Tkach
>            Priority: Critical
>             Fix For: 2.4.0
>
>         Attachments: AMBARI-16643.patch, image-2016-05-03-11-40-49-268.png
>
>
> ACTIVITY_ANALYZER is configured to have cardinality of 0-1, however from hosts page I would add service to two hosts. 
> User should have been prevented from adding additional more than once instance of this slave as it violates the cardinality constraint.


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