Martin Bukatovic created HADOOP-10779:
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Summary: Generalize DFS_PERMISSIONS_SUPERUSERGROUP_KEY for any HCFS
Key: HADOOP-10779
URL: https://issues.apache.org/jira/browse/HADOOP-10779
Project: Hadoop Common
Issue Type: Wish
Components: fs
Reporter: Martin Bukatovic
Priority: Minor
HDFS has configuration option {{dfs.permissions.superusergroup}} stored in
{{hdfs-site.xml}} configuration file:
{noformat}
<property>
<name>dfs.permissions.superusergroup</name>
<value>supergroup</value>
<description>The name of the group of super-users.</description>
</property>
{noformat}
Since we have an option to use alternative Hadoop filesystems (HCFS), there is
a question how to specify a supergroup in such case.
Eg. would introducing HCFS option in say {{core-site.xml}} for this as shown
below make sense?
{noformat}
<property>
<name>hcfs.permissions.superusergroup</name>
<value>${dfs.permissions.superusergroup}</value>
<description>The name of the group of super-users.</description>
</property>
{noformat}
Or would you solve it in different way? I would like to at least declare
a recommended approach for alternative Hadoop filesystems to follow.
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