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From mccheah <>
Subject [GitHub] spark pull request: [SPARK-5158] [core] [security] Spark standalon...
Date Wed, 25 Feb 2015 00:01:47 GMT
Github user mccheah commented on the pull request:
    One other model that would make sense is to require the driver to log in using the principal
and the keytab specified in the configuration. If the driver is able to authenticate to Kerberos,
then that assumes that the user submitting the Spark job already had access to the keytab
independent of Spark anyways, and Spark is just one way they leverage their permissions to
access HDFS. I already need the driver to log in at HadoopRDD.getPartitions and PairRDDFunctions.saveAsHadoopDataset.

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