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https://issues.apache.org/jira/browse/TEZ-4024?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16703991#comment-16703991
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Jonathan Eagles commented on TEZ-4024:
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Makes sense. Please post the link the the resource generated with UGI context
and read without UGI context. Also, as per our conversation, there could be
some interaction with pig, hive, or other client accessing resources as well.
> DAGAppMaster should access resources in UGI context on startup
> --------------------------------------------------------------
>
> Key: TEZ-4024
> URL: https://issues.apache.org/jira/browse/TEZ-4024
> Project: Apache Tez
> Issue Type: Bug
> Affects Versions: 0.9.1
> Reporter: Eric Wohlstadter
> Assignee: Eric Wohlstadter
> Priority: Major
>
> On startup, DAGAppMaster accesses resources such as config PBs and staging
> dirs as yarn rather than through the UGI context.
> This creates access control violations when yarn does not have permissions
> for those resources.
> This also seems odd, since during shutdown, DAGAppMaster does access
> resources through UGI.
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