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https://issues.apache.org/jira/browse/TEZ-3328?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15435170#comment-15435170
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Hitesh Shah commented on TEZ-3328:
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bq. Not sure if I fully understand the question.

It would be great if you can first clarify how you would implement this in the 
first place as YARN timeline returns only 404s when data is inaccessible. That 
will help resolve a lot of the questions I believe. 

> [Umbrella] UI does not work well when there are separate DAG and 
> session-level ACLs
> -----------------------------------------------------------------------------------
>
>                 Key: TEZ-3328
>                 URL: https://issues.apache.org/jira/browse/TEZ-3328
>             Project: Apache Tez
>          Issue Type: Bug
>            Reporter: Hitesh Shah
>            Assignee: Hitesh Shah
>            Priority: Critical
>         Attachments: TEZ-3328.wip.patch
>
>
> Currently, when authz systems such as Ranger/Sentry are in place, all hive 
> queries run in a tez session owned by user hive. Queries run by end-users say 
> user a,b,c, etc have perimeter checks but the yarn containers run as user 
> hive. 
> In terms of acls, what this means is that the session-level acls are 
> restricted to user hive and admins. And then each query ends up with a dag 
> specific acl for user a or b or c. 
> In Tez impls, this translates to: 
>   - entities such as TEZ_APP, TEZ_APP_ATTEMPT, CONTAINER use a 
> session-specific domain/acl
>   - entities for the dag - TEZ_DAG/VERTEX/TASK,TA end up with a dag specific 
> ACL. 
> If user "a" clicks through the app link from the RM and lands on the app 
> details page, the user will not find any dags as the user has no permissions 
> to view the tez app entity rendering the UI functionality to be broken.
> \cc [~sseth] [~rajesh.balamohan] [~Sreenath] [~jeagles] [~thejas]



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