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https://issues.apache.org/jira/browse/YARN-1459?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13848098#comment-13848098
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Sandy Ryza commented on YARN-1459:
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bq. We can create a configuration folder in hdfs, set the proper permission for
it. If the admin user call the any of refresh functions, we can upload the
latest configuration files into this configuration folder.
Right now we have a nice one-way relationship where config files affect the
services and the services do not affect the config files. I'd be very nervous
about altering this.
> 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
>
> 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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