https://stackoverflow.com/questions/31233830/apache-spark-setting-spark-eventlog-enabled-and-spark-eventlog-dir-at-submit-or http://community.cloudera.com/t5/Advanced-Analytics-Apache-Spark/Spark-job-fails-in-cluster-mode/td-p/58772 if you want to use the keytab from inside a spark (cluster mode), copy the files using --files option and ALIAS. Then use relative path ./your.keytab ... View more

Why the difference _HOST and hdp1.field.hortonworks.com for PRINCIPAL? This: configuration.set("hbase.master.kerberos.principal","hbase/_HOST@FIELD.HORTONWORKS.COM"); configuration.set("hbase.regionserver.kerberos.principal","hbase/_HOST@FIELD.HORTONWORKS.COM"); Vs this: String principal =System.getProperty("kerberosPrincipal","hbase/hdp1.field.hortonworks.com@FIELD.HORTONWORKS.COM"); ... View more

FYR: https://bryanbende.com/development/2016/03/20/learning-kerberos-and-ugi ... View more

FYR: https://bryanbende.com/development/2016/03/20/learning-kerberos-and-ugi ... View more

Why use _HOST as opposed to hdp1.field.hortonworks.com? Is this to handle failovers? ... View more