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https://issues.apache.org/jira/browse/YARN-2818?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14200770#comment-14200770
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Vinod Kumar Vavilapalli commented on YARN-2818:
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Makes sense given
 - We now do all authz based on domains
 - User filter was always a hidden filter anyways

+1, checking this in.

> Remove the logic to inject entity owner as the primary filter
> -------------------------------------------------------------
>
>                 Key: YARN-2818
>                 URL: https://issues.apache.org/jira/browse/YARN-2818
>             Project: Hadoop YARN
>          Issue Type: Bug
>          Components: timelineserver
>            Reporter: Zhijie Shen
>            Assignee: Zhijie Shen
>            Priority: Critical
>         Attachments: YARN-2818.1.patch, YARN-2818.2.patch
>
>
> In 2.5, we inject owner info as a primary filter to support entity-level 
> acls. Since 2.6, we have a different acls solution (YARN-2102). Therefore, 
> there's no need to inject owner info. There're two motivations:
> 1. For leveldb timeline store, the primary filter is expensive. When we have 
> a primary filter, we need to make a complete copy of the entity on the logic 
> index table.
> 2. Owner info is incomplete. Say we want to put E1 (owner = "tester", 
> relatedEntity = "E2"). If E2 doesn't exist before, leveldb timeline store 
> will create an empty E2 without owner info (at the db point of view, it 
> doesn't know owner is a "special" primary filter). 



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