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Date: Fri, 6 Nov 2009 19:16:32 +0000 (UTC)
From: "Tsz Wo (Nicholas), SZE (JIRA)" <jira@apache.org>
To: hdfs-issues@hadoop.apache.org
Subject: [jira] Commented: (HDFS-753) HDFS allows delete of read only files
 and directories
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    [ https://issues.apache.org/jira/browse/HDFS-753?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12774378#action_12774378 ] 

Tsz Wo (Nicholas), SZE commented on HDFS-753:
---------------------------------------------

> isn't it the case that we need write access to a directory D to be able to delete a file/dir inside D? ...

That is true.  Deleting a file/directory requires the w permission on the parent directory (and, of course, x on the path).  The file/directory's permission setting is irrelevant.

> HDFS allows delete of read only files and directories
> -----------------------------------------------------
>
>                 Key: HDFS-753
>                 URL: https://issues.apache.org/jira/browse/HDFS-753
>             Project: Hadoop HDFS
>          Issue Type: Bug
>    Affects Versions: 0.20.1
>            Reporter: Dain Sundstrom
>            Assignee: Sanjay Radia
>
> Add a file or directory to HDFS, and chmod it to be read only.  Then execute a delete and the file will be deleted.

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