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https://issues.apache.org/jira/browse/YARN-796?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13934293#comment-13934293
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Alejandro Abdelnur commented on YARN-796:
-----------------------------------------
Arun, doing a recap on the config, is this what you mean?
ResourceManager {{yarn-site.xml}} would specify the valid labels systemwide
(you didn't suggest this, but it prevent label typos going unnoticed):
{code}
<property>
<name>yarn.resourcemanager.valid-labels</name>
<value>labelA, labelB, labelX</value>
</properties>
{code}
NodeManagers yarn-site.xml would specify the labels of the node:
{code}
<property>
<name>yarn.nodemanager.labels</name>
<value>labelA, labelX</value>
</properties>
{code}
Scheduler configuration, in its queue configuration would specify what labels
can be used when requesting allocations in that queue:
{code}
<property>
<name>yarn.scheduler.capacity.root.A.allowed-labels</name>
<value>labelA</value>
</properties>
{code}
> Allow for (admin) labels on nodes and resource-requests
> -------------------------------------------------------
>
> Key: YARN-796
> URL: https://issues.apache.org/jira/browse/YARN-796
> Project: Hadoop YARN
> Issue Type: Sub-task
> Reporter: Arun C Murthy
> Assignee: Arun C Murthy
>
> It will be useful for admins to specify labels for nodes. Examples of labels
> are OS, processor architecture etc.
> We should expose these labels and allow applications to specify labels on
> resource-requests.
> Obviously we need to support admin operations on adding/removing node labels.
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