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From "Sunil G (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-6727) Improve getQueueUserAcls API to query for specific queue and user
Date Tue, 27 Jun 2017 04:56:00 GMT

    [ https://issues.apache.org/jira/browse/YARN-6727?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16064261#comment-16064261
] 

Sunil G commented on YARN-6727:
-------------------------------

I second [~naganarasimha_gr@apache.org]'s opinion. We need not have to add more overhead such
as invoking {{YarnAuthorizationProvider#checkPermission}} with a readLock (We already doing
some what similar in existing public apis such as getQueueUserAclInfo), its better if we can
avoid similar api's in future. Also a client api/cli getting a lock (read) to scheduler's
internal structure could add more complexities later. Hence we can start thinking in having
precomputed access checks for active/non-active users. New user's might need to do with some
common checks from QueueACLManager itself.


> Improve getQueueUserAcls API to query for  specific queue and user
> ------------------------------------------------------------------
>
>                 Key: YARN-6727
>                 URL: https://issues.apache.org/jira/browse/YARN-6727
>             Project: Hadoop YARN
>          Issue Type: Improvement
>            Reporter: Bibin A Chundatt
>            Assignee: Bibin A Chundatt
>         Attachments: YARN-6727.WIP.patch
>
>
> Currently {{ApplicationClientProtocol#getQueueUserAcls}} return data for all the queues
available in scheduler for user.
> User wants to know whether he has rights of a particular queue only. For systems with
5K queues returning all queues list is not efficient.
> Suggested change: support additional parameters *userName and queueName* as optional.
Admin user should be able to query other users ACL for a particular queueName.



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