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https://issues.apache.org/jira/browse/HDFS-4918?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13688369#comment-13688369
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Chris Nauroth commented on HDFS-4918:
-------------------------------------
{quote}
Also checked the documentation, it says that the current behavior is correct
{quote}
Since this caused confusion for a few of us, I filed HDFS-4919 to improve the
documentation. The first place I look for an explanation of a configuration
property is hdfs-default.xml, and the description of dfs.permissions.enabled in
there doesn't mention that permissions are still checked for some operations
regardless of this setting.
Also, the HDFS permissions guide doc still mentions the deprecated
dfs.permissions property instead of the newer dfs.permissions.enabled.
> HDFS permission check is incorrect
> ----------------------------------
>
> Key: HDFS-4918
> URL: https://issues.apache.org/jira/browse/HDFS-4918
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: hdfs-client, namenode
> Affects Versions: 2.0.0-alpha
> Reporter: Fengdong Yu
>
> HDFS permisson check is incorrect, even if dfs.permissions is set false. it
> does look like this was caused by snap shot.
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