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https://issues.apache.org/jira/browse/HADOOP-16582?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Kihwal Lee updated HADOOP-16582:
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Status: Patch Available (was: Open)
> LocalFileSystem's mkdirs() does not work as expected under viewfs.
> ------------------------------------------------------------------
>
> Key: HADOOP-16582
> URL: https://issues.apache.org/jira/browse/HADOOP-16582
> Project: Hadoop Common
> Issue Type: Bug
> Reporter: Kihwal Lee
> Assignee: Kihwal Lee
> Priority: Major
> Attachments: HADOOP-16582.patch
>
>
> When {{mkdirs(Path)}} is called against {{LocalFileSystem}}, the
> implementation in {{RawLocalFileSystem}} is called and the directory
> permission is determined by the umask. However, if it is under
> {{ViewFileSystem}}, the default implementation in {{FileSystem}} is called
> and this causes explicit {{chmod()}} to 0777.
> The {{mkdirs(Path)}} method needs to be overriden in
> - ViewFileSystem to avoid calling the default implementation
> - ChRootedFileSystem for proper resolution of viewfs mount table
> - FilterFileSystem to avoid calling the default implementation
> Only then the same method in the target ({{LocalFileSystem}} in this case)
> will be called. Hdfs does not suffer from the same flaw since it applies
> umask in all cases, regardless of what version of {{mkdirs()}} was called.
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