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https://issues.apache.org/jira/browse/YARN-6347?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15927359#comment-15927359
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Konstantinos Karanasos commented on YARN-6347:
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The idea is to add container tags whenever a container gets allocated or its
execution finishes.
Given that only specific containers will have tags (especially those
corresponding to long-running applications for which constraints will be
useful), I don't think the load will be too much.
But if we see that it is, we can think of further optimizations.
> Store container tags in ResourceManager
> ---------------------------------------
>
> Key: YARN-6347
> URL: https://issues.apache.org/jira/browse/YARN-6347
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: resourcemanager
> Reporter: Konstantinos Karanasos
>
> In YARN-6345 we introduce the notion of container tags.
> In this JIRA, we will create a service in the RM, similar to the Node Labels
> Manager, that will store the tags of each active container.
> Note that a node inherits the tags of all containers that are running on that
> node at each moment. Therefore, the container tags can be seen as dynamic
> node labels. The suggested service will allow us to efficiently retrieve the
> container tags of each node.
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