Getting Alert: amb_user_admin credentials in Ambari UI is not in sync with Ranger. Where can I make them in Sync.. ... View more

Is there way to hide HDFS folder from everyone but the user who has access to it. Currently I have restricted one user folder from other BUT the folders are also visible. Would like to hide that if possible ... View more

Below is what i get when I initiate spark-shell. Can the warning below ignored ? [root@hdp-m hdfs]# spark-shell 16/02/27 01:52:04 WARN NativeCodeLoader: Unable to load native-hadoop library for your platform... using builtin-java classes where applicable Welcome to ____ __ / __/__ ___ _____/ /__ _\ \/ _ \/ _ `/ __/ '_/ /___/ .__/\_,_/_/ /_/\_\ version 1.5.2 /_/ Using Scala version 2.10.4 (Java HotSpot(TM) 64-Bit Server VM, Java 1.8.0_60) Type in expressions to have them evaluated. Type :help for more information. 16/02/27 01:52:17 WARN MetricsSystem: Using default name DAGScheduler for source because spark.app.id is not set. Spark context available as sc. 16/02/27 01:52:25 WARN DomainSocketFactory: The short-circuit local reads feature cannot be used because libhadoop cannot be loaded. 16/02/27 01:52:27 WARN NativeCodeLoader: Unable to load native-hadoop library for your platform... using builtin-java classes where applicable 16/02/27 01:52:28 WARN DomainSocketFactory: The short-circuit local reads feature cannot be used because libhadoop cannot be loaded. SQL context available as sqlContext. ... View more

In Ranger, in order to assign a user to a policy ( directory access), that user must be in Ranger right. Is there a way to sync Ranger user account with Ambari user account. Why create multiple account in different system. Is there a way to use Federated system, like google / facebook account. ?? what is the purpose of ranger user-sync ? Thanks ... View more