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From "Koji Noguchi (JIRA)" <j...@apache.org>
Subject [jira] Created: (HADOOP-3953) Sticky bit for directories
Date Thu, 14 Aug 2008 17:07:44 GMT
Sticky bit for directories
--------------------------

                 Key: HADOOP-3953
                 URL: https://issues.apache.org/jira/browse/HADOOP-3953
             Project: Hadoop Core
          Issue Type: Improvement
          Components: dfs
            Reporter: Koji Noguchi


Our users (especially Pig) heavily use /tmp for temporary storage. 
Permission are set to 777.

However, this means any users can rename and also remove (by moving to .Trash) other users
directories and files.
It would be nice if we can have a sticky bit like unix. 

Copy&Pasted from manpage.

STICKY DIRECTORIES
       When  the  sticky  bit  is set on a directory, files in that directory may be unlinked
or renamed only by
       root or their owner.  Without the sticky bit, anyone able to write to the directory
can delete or  rename
       files.  The sticky bit is commonly found on directories, such as /tmp, that are world-writable.

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