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https://issues.apache.org/jira/browse/YARN-3671?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15438463#comment-15438463
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Jian He commented on YARN-3671:
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bq. RM_CLUSTER_ID is currently used for HA but Federation can work both with
and without HA
RM_CLUSTER_ID is not used in non-HA, because it's not needed. It can also be
used without HA. My take is that it seems two configures for the same purpose
to identify a cluster, or I missed certain use-case ?
> Integrate Federation services with ResourceManager
> --------------------------------------------------
>
> Key: YARN-3671
> URL: https://issues.apache.org/jira/browse/YARN-3671
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: nodemanager, resourcemanager
> Reporter: Subru Krishnan
> Assignee: Subru Krishnan
> Attachments: YARN-3671-YARN-2915-v1.patch,
> YARN-3671-YARN-2915-v2.patch
>
>
> This JIRA proposes adding the ability to turn on Federation services like
> StateStore, cluster membership heartbeat etc in the RM
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