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https://issues.apache.org/jira/browse/HADOOP-3953?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Robert Chansler updated HADOOP-3953:
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Release Note: UNIX-style sticky bit implemented for HDFS directories. When
the sticky bit is set on a directory, files in that directory may be deleted
or renamed only by a superuser or the file's owner. (was: Implement sticky bit
for directories in HDFS. )
Editorial pass over all release notes prior to publication of 0.21.
> Sticky bit for directories
> --------------------------
>
> Key: HADOOP-3953
> URL: https://issues.apache.org/jira/browse/HADOOP-3953
> Project: Hadoop Common
> Issue Type: Improvement
> Reporter: Koji Noguchi
> Assignee: Jakob Homan
> Fix For: 0.21.0
>
> Attachments: HADOOP-3953.patch, HADOOP-3953.patch, HADOOP-3953.patch,
> HADOOP-3953.patch
>
>
> 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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