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https://issues.apache.org/jira/browse/HADOOP-2229?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12546944
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Hairong Kuang commented on HADOOP-2229:
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> 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 checking.
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