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https://issues.apache.org/jira/browse/YARN-530?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Steve Loughran updated YARN-530:
--------------------------------

    Attachment: YARN-530-014.patch

Pulled the {{ServiceShutdownHook}} code off to YARN-679, this eliminates two of 
the FindBugs warnings. The remaining two are spurious as they note that an 
AtomicBool is being used for both a wait/notify barrier as well as for the 
thread-safe get/set operations.
                
> Define Service model strictly, implement AbstractService for robust 
> subclassing, migrate yarn-common services
> -------------------------------------------------------------------------------------------------------------
>
>                 Key: YARN-530
>                 URL: https://issues.apache.org/jira/browse/YARN-530
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>    Affects Versions: 2.0.4-alpha
>            Reporter: Steve Loughran
>            Assignee: Steve Loughran
>         Attachments: YARN-117changes.pdf, YARN-530-005.patch, 
> YARN-530-008.patch, YARN-530-009.patch, YARN-530-010.patch, 
> YARN-530-011.patch, YARN-530-012.patch, YARN-530-013.patch, 
> YARN-530-014.patch, YARN-530-2.patch, YARN-530-3.patch, YARN-530.4.patch, 
> YARN-530.patch
>
>
> # Extend the YARN {{Service}} interface as discussed in YARN-117
> # Implement the changes in {{AbstractService}} and {{FilterService}}.
> # Migrate all services in yarn-common to the more robust service model, test.

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