@Deepesh i required to get the user . if i call the variable ${user.name} - i will get the value as hive, but i required to get the user . The reason we'd like this is to store AWS access credentials for S3 on each user's HDFS directory (e.g., hdfs://user/jkotireddy/aws_credentials) and have the S3 libraries automatically pick them up. We'd like to set this variable to something like "hdfs://user/${user.name}/aws_credentials". - want a config variable which gives me the Hadoop-level effective user.
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