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https://issues.apache.org/jira/browse/YARN-3116?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Zhijie Shen resolved YARN-3116.
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Resolution: Duplicate
Close this jira as the duplicate of YARN-3828, whether the contributor has
already started working on the issue.
> [Collector wireup] We need an assured way to determine if a container is an
> AM container on NM
> ----------------------------------------------------------------------------------------------
>
> Key: YARN-3116
> URL: https://issues.apache.org/jira/browse/YARN-3116
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: nodemanager, timelineserver
> Reporter: Zhijie Shen
> Assignee: Zhijie Shen
>
> In YARN-3030, to start the per-app aggregator only for a started AM
> container, we need to determine if the container is an AM container or not
> from the context in NM (we can do it on RM). This information is missing,
> such that we worked around to considered the container with ID "xxxx_01" as
> the AM container. Unfortunately, this is neither necessary or sufficient
> condition. We need to have a way to determine if a container is an AM
> container on NM. We can add flag to the container object or create an API to
> do the judgement. Perhaps the distributed AM information may also be useful
> to YARN-2877.
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