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From "Hairong Kuang (JIRA)" <j...@apache.org>
Subject [jira] Updated: (HADOOP-2543) No-permission-checking mode for smooth transition to 0.16's permissions features.
Date Wed, 16 Jan 2008 00:31:40 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-2543?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Hairong Kuang updated HADOOP-2543:

    Attachment: permissionRelated.patch

The patch added a "secret" configuration parameter "dfs.upgrade.permission"  with a default
value of 0777. If an administrator wants to use a different value for the initial permission,
he/she can set it in hadoop-site.xml.

> No-permission-checking mode for smooth transition to 0.16's permissions features. 
> ----------------------------------------------------------------------------------
>                 Key: HADOOP-2543
>                 URL: https://issues.apache.org/jira/browse/HADOOP-2543
>             Project: Hadoop
>          Issue Type: New Feature
>          Components: dfs
>    Affects Versions: 0.15.1
>            Reporter: Sanjay Radia
>            Assignee: Hairong Kuang
>             Fix For: 0.16.0
>         Attachments: permissionRelated.patch
> In moving to 0.16,  which will support permissions, a mode of no-permission checking
has been proposed to allow smooth transition to using the new permissions feature.
> The idea is that at first 0.16 will be used for a period of time with permission checking
> Later after the admin has changed ownership and permissions of various files, the permission
checking can be turned off.
> This Jira defines what the semantics are of the no-permission-checking mode.

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