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https://issues.apache.org/jira/browse/HADOOP-2230?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12543707
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Tsz Wo (Nicholas), SZE commented on HADOOP-2230:
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Is root the only administrator? Or do we need a special admin group, so that
every user in the admin group is a administrator?
> Post users: need admin-only access to HDFS
> -------------------------------------------
>
> Key: HADOOP-2230
> URL: https://issues.apache.org/jira/browse/HADOOP-2230
> Project: Hadoop
> Issue Type: New Feature
> Environment: All
> Reporter: Allen Wittenauer
>
> When user support gets added to HDFS, administrators are going to need to be
> able to set the namenode such that it only allows connections/interactions
> from the administrative user. This is particularly important after upgrades
> and for other administrative work that may require the changing of user/group
> ownership, permissions, location of files within the HDFS, etc.
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