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From "Marcelo Vanzin (JIRA)" <j...@apache.org>
Subject [jira] [Assigned] (SPARK-17209) Support manual credential updating in the run-time for Spark on YARN
Date Tue, 12 Feb 2019 21:37:00 GMT

     [ https://issues.apache.org/jira/browse/SPARK-17209?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Marcelo Vanzin reassigned SPARK-17209:
--------------------------------------

    Assignee: Marcelo Vanzin

> Support manual credential updating in the run-time for Spark on YARN
> --------------------------------------------------------------------
>
>                 Key: SPARK-17209
>                 URL: https://issues.apache.org/jira/browse/SPARK-17209
>             Project: Spark
>          Issue Type: Improvement
>          Components: Spark Core, YARN
>            Reporter: Saisai Shao
>            Assignee: Marcelo Vanzin
>            Priority: Minor
>
> Current Spark on YARN supports time based credential renewal and updating, this mainly
addresses the problem of token expiration for long running Spark applications.
> But still there're some use cases in which security services will be changed in the run-time
of Spark application. For example, user may want to change to access another HBase cluster
or Hive Metastore service in the run-time, in such use cases credentials should be updated
immediately by user explicitly, so that user could reconnect to new HBase cluster or Metastore
service.
> So here propose to add ability in Spark to manually trigger the credential updating in
the run-time.
> This is a follow-up work of SPARK-14743.



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