have you looked at hadoop.security.group.mapping.ldap.* in hadoop-common/core-default.xml<http://hadoop.apache.org/docs/current2/hadoop-project-dist/hadoop-common/core-default.xml>
additional resource<http://hakunamapdata.com/a-user-having-surprising-troubles-running-more-resource-intensive-hive-queries/>may help On Tue, Dec 10, 2013 at 3:06 AM, YouPeng Yang <yypvsxf19870...@gmail.com>wrote: > Hi > > In my cluster ,I want to have multiusers for different purpose.The usual > method is to add a user through the OS on Hadoop NameNode . > I notice the hadoop also support to LDAP, could I add user through LDAP > instead through OS? So that if a user is authenticated by the LDAP ,who > will also access the HDFS directory? > > > Regards >