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Hadoop >> mail # user >> kerberos principals per node necessary?


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kerberos principals per node necessary?
i
s it necessary to create a kerberos principal for hdfs on every node, as
in hdfs/some-host@SOME-REALM?
why not use one principal hdfs@SOME-REALM? that way i could distribute the
same keytab file to all nodes which makes things a lot easier.
thanks! koert