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From "Hairong Kuang (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-2229) Provide a simple login implementation
Date Fri, 30 Nov 2007 00:02:50 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-2229?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12546944

Hairong Kuang commented on HADOOP-2229:

> Why is umask only a Unix feature, rather than in the interface? 
I took umask out of the UGI interface on the considering that the namenode does not need umask
in UGI.

> Also, it seems to me that perhaps umask should use the api from HADOOP-2288, exposing
itself as an FsPermission, or at least linking to that in the javadoc, so that one knows how
to use that value.

It's a good idea to return umask as FsPermission. But a umask needs to be negated before it
is applied to the user permission. Yes, at least I will do the linking.

> Provide a simple login implementation
> -------------------------------------
>                 Key: HADOOP-2229
>                 URL: https://issues.apache.org/jira/browse/HADOOP-2229
>             Project: Hadoop
>          Issue Type: New Feature
>    Affects Versions: 0.15.0
>            Reporter: Tsz Wo (Nicholas), SZE
>            Assignee: Hairong Kuang
>             Fix For: 0.16.0
>         Attachments: ugi.patch, ugi1.patch, ugi2.patch, ugi3.patch
> Give a simple implementation of HADOOP-1701.    Hadoop clients are assumed to be started
within a Unix-like network which provides user and group management.  This implementation
read user information from the OS and send them to the NameNode in plaintexts through RPC
(see also HADOOP-2184).  NameNode trusts all information given and uses them for permission

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