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https://issues.apache.org/jira/browse/YARN-1075?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13743057#comment-13743057
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Karthik Kambatla commented on YARN-1075:
----------------------------------------

Sorry [~stevel], meant to refer [~ste...@apache.org].
                
> AsyncDispatcher and ResourceTrackerService violate serviceStart() semantics
> ---------------------------------------------------------------------------
>
>                 Key: YARN-1075
>                 URL: https://issues.apache.org/jira/browse/YARN-1075
>             Project: Hadoop YARN
>          Issue Type: Bug
>    Affects Versions: 2.1.0-beta
>            Reporter: Karthik Kambatla
>            Assignee: Karthik Kambatla
>            Priority: Minor
>         Attachments: yarn-1075-1.patch
>
>
> IIUC, the serviceStart() implementation of services should start local 
> threads/services first before calling super.serviceStart(). Certain services 
> have this reversed as below - leading to possibilities where the service 
> would be in state STARTED, but in reality might not have started yet.
> {code}
> void serviceStart() {
>   super.serviceStart()
>   // service sepecific logic and start operations
> }
> {code}

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