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From "Olivier Sallou (Created) (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-3118) wiki and hadoop templates provides wrong superusergroup property instead of supergroup
Date Tue, 20 Mar 2012 08:51:38 GMT
wiki and hadoop templates provides wrong superusergroup property instead of supergroup
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                 Key: HDFS-3118
                 URL: https://issues.apache.org/jira/browse/HDFS-3118
             Project: Hadoop HDFS
          Issue Type: Bug
    Affects Versions: 1.0.0
         Environment: Used Debian package install
            Reporter: Olivier Sallou
            Priority: Minor


The hdfs-site template and the wiki: http://hadoop.apache.org/hdfs/docs/current/hdfs_permissions_guide.html#The+Super-User
refers to property dfs.permissions.superusergroup to define the group of superuser.

However we must use the property dfs.permissions.supergroup, and not superusergroup, to make
it work.

In file src/hdfs/org/apache/hadoop/hdfs/server/namenode/FSNamesystem.java, supergroup is extracted
from:
this.supergroup = conf.get("dfs.permissions.supergroup", "supergroup");

It does not make use of DFS_PERMISSIONS_SUPERUSERGROUP_KEY

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