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https://issues.apache.org/jira/browse/SPARK-5493?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15802179#comment-15802179
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Marcelo Vanzin commented on SPARK-5493:
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IIRC Livy doesn't yet support delegation token renewal. Once it reaches the
TTL, the session is unusable.
There might be ways to hack support for that without changes in Spark, but I'd
like to see a proper API in Spark for distributing new delegation tokens. I
mentioned that in SPARK-14743, but although that bug is closed, that particular
feature hasn't been implemented yet.
> Support proxy users under kerberos
> ----------------------------------
>
> Key: SPARK-5493
> URL: https://issues.apache.org/jira/browse/SPARK-5493
> Project: Spark
> Issue Type: Improvement
> Components: Spark Core
> Affects Versions: 1.2.0
> Reporter: Brock Noland
> Assignee: Marcelo Vanzin
> Fix For: 1.3.0
>
>
> When using kerberos, services may want to use spark-submit to submit jobs as
> a separate user. For example a service like hive might want to submit jobs as
> a client user.
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