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https://issues.apache.org/jira/browse/SPARK-5342?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16969977#comment-16969977
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Madhusoodan commented on SPARK-5342:
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[~hshreedharan] is it so that only HDFS tokens are renewed? What about the
HBase/Hive tokens? Are they renewed/recreated?
> Allow long running Spark apps to run on secure YARN/HDFS
> --------------------------------------------------------
>
> Key: SPARK-5342
> URL: https://issues.apache.org/jira/browse/SPARK-5342
> Project: Spark
> Issue Type: New Feature
> Components: YARN
> Affects Versions: 1.2.0
> Reporter: Hari Shreedharan
> Assignee: Hari Shreedharan
> Priority: Major
> Fix For: 1.4.0
>
> Attachments: SparkYARN.pdf
>
>
> Currently, Spark apps cannot write to HDFS after the delegation tokens reach
> their expiry, which maxes out at 7 days. We must find a way to ensure that we
> can run applications for longer - for example, spark streaming apps are
> expected to run forever.
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