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From "Wangda Tan (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-8559) Expose mutable-conf scheduler's configuration in RM /scheduler-conf endpoint
Date Tue, 31 Jul 2018 19:03:00 GMT

    [ https://issues.apache.org/jira/browse/YARN-8559?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16564213#comment-16564213
] 

Wangda Tan commented on YARN-8559:
----------------------------------

Thanks [~cheersyang], 

Some suggestions:

1) Instead of creating a new DAO, can we use the existing logic similar to org.apache.hadoop.conf.ConfServlet?


2) Also, it might be better to protect access of the REST endpoint by admin only since it
includes some sensitive information like ACL, etc. For sensitive information of scheduler,
user can access /scheduler. 

> Expose mutable-conf scheduler's configuration in RM /scheduler-conf endpoint
> ----------------------------------------------------------------------------
>
>                 Key: YARN-8559
>                 URL: https://issues.apache.org/jira/browse/YARN-8559
>             Project: Hadoop YARN
>          Issue Type: Improvement
>          Components: resourcemanager
>            Reporter: Anna Savarin
>            Assignee: Weiwei Yang
>            Priority: Major
>         Attachments: YARN-8559.001.patch, YARN-8559.002.patch, YARN-8559.003.patch
>
>
> All Hadoop services provide a set of common endpoints (/stacks, /logLevel, /metrics,
/jmx, /conf).  In the case of the Resource Manager, part of the configuration comes from
the scheduler being used.  Currently, these configuration key/values are not exposed through
the /conf endpoint, thereby revealing an incomplete configuration picture. 
> Make an improvement and expose the scheduling configuration info through the RM's /conf
endpoint.



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