Junping Du updated YARN-3334:
    Attachment: YARN-3334-v5.patch

Upload v5 patch with addressing all review comments above.
For using ContainerEntity to replace TimelineEntity, there is a bug that 
UnrecognizedPropertyException will get thrown in serialize/deserialize 
"children" element when consuming it as base class (TimelineEntity). 
Comment that element annotation out until we find a better solution (will not 
addressed in this JIRA). 

> [Event Producers] NM TimelineClient life cycle handling and container metrics 
> posting to new timeline service.
> --------------------------------------------------------------------------------------------------------------
>                 Key: YARN-3334
>                 URL: https://issues.apache.org/jira/browse/YARN-3334
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>          Components: nodemanager
>    Affects Versions: YARN-2928
>            Reporter: Junping Du
>            Assignee: Junping Du
>         Attachments: YARN-3334-demo.patch, YARN-3334-v1.patch, 
> YARN-3334-v2.patch, YARN-3334-v3.patch, YARN-3334-v4.patch, YARN-3334-v5.patch
> After YARN-3039, we have service discovery mechanism to pass app-collector 
> service address among collectors, NMs and RM. In this JIRA, we will handle 
> service address setting for TimelineClients in NodeManager, and put container 
> metrics to the backend storage.

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