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Hitesh Shah commented on YARN-2102:
-----------------------------------
Furthermore, it seems simpler to support a collection of users instead of expecting the user
to serialize a set of users into a string. It also seems that the owner field allows a user
to be defined where the user name can have spaces but the readers/writers list does not support
spaces.
> More generalized timeline ACLs
> ------------------------------
>
> Key: YARN-2102
> URL: https://issues.apache.org/jira/browse/YARN-2102
> Project: Hadoop YARN
> Issue Type: Sub-task
> Reporter: Zhijie Shen
> Assignee: Zhijie Shen
> Attachments: GeneralizedTimelineACLs.pdf, YARN-2102.1.patch, YARN-2102.2.patch,
YARN-2102.3.patch, YARN-2102.5.patch
>
>
> We need to differentiate the access controls of reading and writing operations, and we
need to think about cross-entity access control. For example, if we are executing a workflow
of MR jobs, which writing the timeline data of this workflow, we don't want other user to
pollute the timeline data of the workflow by putting something under it.
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