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https://issues.apache.org/jira/browse/TEZ-2886?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14957184#comment-14957184
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Jonathan Eagles commented on TEZ-2886:
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bq. It should be possible to run DAGs for different users within the same
session
I'm also wondering whose responsibility it is for renewing the delegation
tokens submitted with the DAG that weren't submitted to the RM as part of the
application context.
> Ability to merge AM credentials with DAG credentials
> ----------------------------------------------------
>
> Key: TEZ-2886
> URL: https://issues.apache.org/jira/browse/TEZ-2886
> Project: Apache Tez
> Issue Type: Improvement
> Affects Versions: 0.7.0
> Reporter: Jason Lowe
> Assignee: Jason Lowe
>
> Currently AM credentials are explicitly kept separate from DAG credentials,
> but this can cause problems when credentials are automatically added to the
> application as part of the submission process but outside of the client's
> knowledge. We need the ability for the AM's credentials to be merged with
> the DAG credentials so DAGs can pick up important credentials that were not
> submitted by the client.
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