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https://issues.apache.org/jira/browse/HDFS-10488?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15353453#comment-15353453
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Wellington Chevreuil commented on HDFS-10488:
---------------------------------------------

Anyone has any additional comment on the last patch?

> WebHDFS CREATE and MKDIRS does not follow same rules as DFS CLI when creating 
> files/directories without specifying permissions
> ------------------------------------------------------------------------------------------------------------------------------
>
>                 Key: HDFS-10488
>                 URL: https://issues.apache.org/jira/browse/HDFS-10488
>             Project: Hadoop HDFS
>          Issue Type: Bug
>          Components: documentation, webhdfs
>    Affects Versions: 2.6.0
>            Reporter: Wellington Chevreuil
>            Assignee: Wellington Chevreuil
>            Priority: Minor
>         Attachments: HDFS-10488.002.patch, HDFS-10488.003.patch, 
> HDFS-10488.005.patch, HDFS-10488.patch
>
>
> WebHDFS methods for creating file/directories are always creating it with 755 
> permissions as default, even ignoring any configured 
> *fs.permissions.umask-mode* in the case of directories.
> Dfs CLI, however, applies the configured umask to 777 permission for 
> directories, or 666 permission for files.
> Example below shows the different behaviour when creating directory via CLI 
> and WebHDFS:
> {noformat}
> 1) Creating a directory under '/test/' as 'test-user'. Configured 
> fs.permissions.umask-mode is 000: 
> $ sudo -u test-user hdfs dfs -mkdir /test/test-user1 
> $ sudo -u test-user hdfs dfs -getfacl /test/test-user1 
> # file: /test/test-user1
> # owner: test-user 
> # group: supergroup 
> user::rwx 
> group::rwx 
> other::rwx 
> 4) Doing the same via WebHDFS does not get the proper ACLs: 
> $ curl -i -X PUT 
> "http://namenode-host:50070/webhdfs/v1/test/test-user2?user.name=test-user&op=MKDIRS";
>  
> $ sudo -u test-user hdfs dfs -getfacl /test/test-user2 
> # file: /test/test-user2 
> # owner: test-user 
> # group: supergroup 
> user::rwx 
> group::r-x 
> other::r-x
> {noformat}



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