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https://issues.apache.org/jira/browse/HADOOP-9155?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13535514#comment-13535514
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Binglin Chang commented on HADOOP-9155:
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I'm not saying umask default value have bug, I'm saying that the base
permissions should be different for dir and file.
In your program, you are not using base permission(default permission) at
all(you are using S_IRWXU explicitly). I think the correct test should use
mkdir and touch(or cat) to create dir and files, not low level system calls.
> FsPermission should have different default value, 777 for directory and 666
> for file
> ------------------------------------------------------------------------------------
>
> Key: HADOOP-9155
> URL: https://issues.apache.org/jira/browse/HADOOP-9155
> Project: Hadoop Common
> Issue Type: Bug
> Reporter: Binglin Chang
> Priority: Minor
>
> Currently umask works differently as linux convention, which is:
> The default umask 0002 is used for regular users.
> The default umask for the root user is 0022.
> For directories, the base permissions are 0777 and for files 0666.
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