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From "Chen Liang (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-11557) Empty directories may be recursively deleted without being listable
Date Thu, 30 Mar 2017 22:13:41 GMT

    [ https://issues.apache.org/jira/browse/HDFS-11557?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15949958#comment-15949958

Chen Liang commented on HDFS-11557:

[~dmtucker] I did another quick, I think this is consistent to the POSIX syntax. Specifically,
if you just do the same thing on any POSIX OS, it would have the same behavior of bypassing
the permission check for empty directory. In this case, this is definitely a feature I think.

> Empty directories may be recursively deleted without being listable
> -------------------------------------------------------------------
>                 Key: HDFS-11557
>                 URL: https://issues.apache.org/jira/browse/HDFS-11557
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: hdfs
>    Affects Versions: 2.7.3
>            Reporter: David Tucker
>            Assignee: Chen Liang
> To reproduce, create a directory without read and/or execute permissions (i.e. 0666,
0333, or 0222), then call delete on it with can_recurse=True. Note that the delete succeeds
even though the client is unable to check for emptiness and, therefore, cannot otherwise know
that any/all children are deletable.

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