See https://issues.apache.org/jira/browse/HIVE-5400?focusedCommentId=13830626&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-13830626
HIVE-6037 Synchronize HiveConf with hive-default.xml.template and support show conf
HIVE-5400 Allow admins to disable compile and other commands