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From "Thomas Graves (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SPARK-19143) API in Spark for distributing new delegation tokens (Improve delegation token handling in secure clusters)
Date Mon, 27 Mar 2017 13:43:41 GMT

    [ https://issues.apache.org/jira/browse/SPARK-19143?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15943284#comment-15943284
] 

Thomas Graves commented on SPARK-19143:
---------------------------------------

I assume this needs to go through the new spip process: http://spark.apache.org/improvement-proposals.html

> API in Spark for distributing new delegation tokens (Improve delegation token handling
in secure clusters)
> ----------------------------------------------------------------------------------------------------------
>
>                 Key: SPARK-19143
>                 URL: https://issues.apache.org/jira/browse/SPARK-19143
>             Project: Spark
>          Issue Type: Improvement
>          Components: Spark Core, YARN
>    Affects Versions: 2.0.2, 2.1.0
>            Reporter: Ruslan Dautkhanov
>
> Spin off from SPARK-14743 and comments chain in [recent comments| https://issues.apache.org/jira/browse/SPARK-5493?focusedCommentId=15802179&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-15802179]
in SPARK-5493.
> Spark currently doesn't have a way for distribution new delegation tokens. Quoting [~vanzin]
from SPARK-5493 
> {quote}
> 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.
> {quote}
> Other thoughts?



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