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From "Sandy Ryza (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-1459) Handle supergroups, usergroups and ACLs across RMs during failover
Date Sat, 14 Dec 2013 00:25:13 GMT

    [ https://issues.apache.org/jira/browse/YARN-1459?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13848098#comment-13848098
] 

Sandy Ryza commented on YARN-1459:
----------------------------------

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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