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Posted to common-issues@hadoop.apache.org by "Varun Saxena (JIRA)" <ji...@apache.org> on 2015/05/17 21:12:00 UTC

[jira] [Commented] (HADOOP-11347) Inconsistent enforcement of umask between FileSystem and FileContext interacting with local file system.

    [ https://issues.apache.org/jira/browse/HADOOP-11347?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14547288#comment-14547288 ] 

Varun Saxena commented on HADOOP-11347:
---------------------------------------

[~cmccabe], updated a new patch after rebase.

> Inconsistent enforcement of umask between FileSystem and FileContext interacting with local file system.
> --------------------------------------------------------------------------------------------------------
>
>                 Key: HADOOP-11347
>                 URL: https://issues.apache.org/jira/browse/HADOOP-11347
>             Project: Hadoop Common
>          Issue Type: Bug
>          Components: fs
>    Affects Versions: 2.7.0
>            Reporter: Chris Nauroth
>            Assignee: Varun Saxena
>              Labels: BB2015-05-RFC
>         Attachments: HADOOP-11347.001.patch, HADOOP-11347.002.patch, HADOOP-11347.03.patch
>
>
> The {{FileSystem}} and {{FileContext}} APIs are inconsistent in enforcement of umask for newly created directories.  {{FileContext}} utilizes configuration property {{fs.permissions.umask-mode}} and runs a separate {{chmod}} call to guarantee bypassing the process umask.  This is the expected behavior for Hadoop as discussed in the documentation of {{fs.permissions.umask-mode}}.  For the equivalent {{FileSystem}} APIs, it does not use {{fs.permissions.umask-mode}}.  Instead, the permissions end up getting controlled by the process umask.



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