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https://issues.apache.org/jira/browse/HADOOP-3066?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12581184#action_12581184
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Tsz Wo (Nicholas), SZE commented on HADOOP-3066:
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+1 patch look good
> Should not require superuser privilege to query if hdfs is in safe mode
> -----------------------------------------------------------------------
>
> Key: HADOOP-3066
> URL: https://issues.apache.org/jira/browse/HADOOP-3066
> Project: Hadoop Core
> Issue Type: Bug
> Components: dfs
> Affects Versions: 0.17.0
> Reporter: Jim Kellerman
> Assignee: Jim Kellerman
> Fix For: 0.17.0
>
> Attachments: patch.txt
>
>
> Currently, Superuser privilege is required to query hdfs to determine if it
> is in safe mode.
> While entering or leaving safe mode should require Superuser privilege,
> merely asking if it is in safe mode should not.
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