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https://issues.apache.org/jira/browse/HDFS-16164?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17397658#comment-17397658
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Kihwal Lee commented on HDFS-16164:
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Maybe you can accomplish what you want with ACL.
> Configuration to allow group with read-all privilege
> ----------------------------------------------------
>
> Key: HDFS-16164
> URL: https://issues.apache.org/jira/browse/HDFS-16164
> Project: Hadoop HDFS
> Issue Type: Improvement
> Reporter: Leon Gao
> Assignee: Leon Gao
> Priority: Major
>
> We see more use cases that need read-all permission to hdfs. One example is
> data quality service that needs to read all the data but no need to write.
> Currently seems hdfs only supports supergroup that can do anything.
> Maybe we can add configuration like dfs.permissions.read-all.group to manage
> this type of permissions easily.
>
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