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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (AMBARI-7237) No start action for stopped service in MM mode Stack 1.3
Date Wed, 10 Sep 2014 16:03:33 GMT

    [ https://issues.apache.org/jira/browse/AMBARI-7237?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14128646#comment-14128646
] 

Hudson commented on AMBARI-7237:
--------------------------------

SUCCESS: Integrated in Ambari-trunk-Commit #200 (See [https://builds.apache.org/job/Ambari-trunk-Commit/200/])
AMBARI-7237. No start action for stopped service in MM mode Stack 1.3 (dlysnichenko) (dlysnichenko:
http://git-wip-us.apache.org/repos/asf?p=ambari.git&a=commit&h=dcc00b69b3350729123cbf43dd80cf0da314bae6)
* ambari-server/src/main/java/org/apache/ambari/server/controller/internal/ServiceResourceProvider.java
* ambari-server/src/test/java/org/apache/ambari/server/controller/internal/ServiceResourceProviderTest.java


> No start action for stopped service in MM mode Stack 1.3
> --------------------------------------------------------
>
>                 Key: AMBARI-7237
>                 URL: https://issues.apache.org/jira/browse/AMBARI-7237
>             Project: Ambari
>          Issue Type: Bug
>          Components: ambari-server
>    Affects Versions: 1.7.0
>            Reporter: Dmitry Lysnichenko
>            Assignee: Dmitry Lysnichenko
>             Fix For: 1.7.0
>
>
> On stack 1.3 stop service, then put it into MM. Try to open Service Actions menu - start
option is inactive.
> Here is how service state calculation worked: if component is in MM, we don't take it's
state into account when calculating entire service state. At the extreme case when all components
of a service are in MM, we return DISABLED state for the service.
> To fix the current jira, I've implemented a special handling for the case when all service
components (or entire service) are in MM as follows:
>   #  we iterate over all master & slave componens and determine the best component
state (e.g. INSTALLED -> STARTED)
>   #  now the best state for MM component becomes a calculated state for an entire service
> That means that if all components of service are in MM and at least one component is
started, entire service will be showed as started.



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