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From "Robert Chansler (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HADOOP-2371) Candidate user guide for permissions feature of Hadoop DFS
Date Fri, 15 Feb 2008 23:20:10 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-2371?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Robert Chansler updated HADOOP-2371:

    Attachment: hdfs_permissions_guide.pdf

Compiled text for the convenience of reviewers.

> Candidate user guide for permissions feature of Hadoop DFS
> ----------------------------------------------------------
>                 Key: HADOOP-2371
>                 URL: https://issues.apache.org/jira/browse/HADOOP-2371
>             Project: Hadoop Core
>          Issue Type: New Feature
>          Components: dfs
>    Affects Versions: 0.16.0
>            Reporter: Robert Chansler
>            Assignee: Robert Chansler
>             Fix For: 0.16.1
>         Attachments: Hadoop2371.patch, hdfs_permissions_guide.pdf
> This feature introduces a POSIX-like permissions model for DFS in Hadoop 0.16. The user
guide describes the behavior users of DFS will experience. In this release, the user identity
model is very elementary: you are who your host says you are. It is understood that this is
not "secure" in any meaningful sense, but rather the permissions model allows a cooperative
community to share file system resources in an organized fashion. The user identity model
will evolve in the coming months.
> As mentioned in the draft, the content of the guide will be incorporated into the regular
Hadoop documentation from Forrest. This document is being published as an early preview.

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