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Posted to common-issues@hadoop.apache.org by "Daryn Sharp (Updated) (JIRA)" <ji...@apache.org> on 2012/02/02 23:10:57 UTC

[jira] [Updated] (HADOOP-8015) ChRootFileSystem should extend FilterFileSystem

     [ https://issues.apache.org/jira/browse/HADOOP-8015?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Daryn Sharp updated HADOOP-8015:
--------------------------------

    Target Version/s: 0.24.0, 0.23.1  (was: 0.23.1, 0.24.0)
              Status: Patch Available  (was: Open)
    
> ChRootFileSystem should extend FilterFileSystem
> -----------------------------------------------
>
>                 Key: HADOOP-8015
>                 URL: https://issues.apache.org/jira/browse/HADOOP-8015
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: fs
>    Affects Versions: 0.23.0, 0.24.0
>            Reporter: Daryn Sharp
>            Assignee: Daryn Sharp
>         Attachments: HADOOP-8015.patch
>
>
> {{ChRootFileSystem}} simply extends {{FileSystem}}, and attempts to delegate some methods to the underlying mount point.  It is essentially the same as {{FilterFileSystem}} but it mangles the paths to include the chroot path.  Unfortunately {{ChRootFileSystem}} is not delegating some methods that should be delegated.  Changing the inheritance will prevent a copy-n-paste of code for HADOOP-8013 and HADOOP-8014 into both {{ChRootFileSystem}} and {{FilterFileSystem}}.

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