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https://issues.apache.org/jira/browse/YARN-1459?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13891697#comment-13891697
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Xuan Gong commented on YARN-1459:
---------------------------------
In this patch, we will make sure that we load the yarn-site.xml and
core-site.xml from remoteDir if configurationProvider is not
LocalConfigurationProvider before we initiate the RM. The scheduler#reinit()
will make sure that it will load capacity-scheduler.xml from remoteDir (Will
take care of FS in https://issues.apache.org/jira/browse/YARN-1679). If the
security is enable, the AdminServicer, clientRMService,
applicationMasterService and ResourceTrackerServicer#serviceInit() can make
sure that they will load the hadoop-policy.xml from remoteDir.
> Handle supergroups, usergroups and ACLs across RMs during failover
> ------------------------------------------------------------------
>
> Key: YARN-1459
> URL: https://issues.apache.org/jira/browse/YARN-1459
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: resourcemanager
> Affects Versions: 2.2.0
> Reporter: Karthik Kambatla
> Assignee: Xuan Gong
> Attachments: YARN-1459.1.patch, YARN-1459.2.patch
>
>
> The supergroups, usergroups and ACL configurations are per RM and might have
> been changed while the RM is running. After failing over, the new Active RM
> should have the latest configuration from the previously Active RM.
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