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From John Lilley <john.lil...@redpoint.net>
Subject HDFS and YARN security and interface impacts
Date Sun, 20 Apr 2014 21:39:59 GMT
We have an application that interfaces directly to HDFS and YARN (no MapReduce).  It does not
currently support any Hadoop security other than the insecure "trust the client" defaults.
 I've been doing some reading about Hadoop security, but it mostly assumes that applications
will be MapReduce.  For a "native" YARN/HDFS application, what changes if any must be made
to the API calls to support Kerberos or other authentication?  Does it just happen automatically
at the OS level using the authenticated user ID of the process?  If there's a good reference
I'd appreciate it.
john

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