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Posted to common-issues@hadoop.apache.org by "Suresh Srinivas (JIRA)" <ji...@apache.org> on 2013/06/19 19:05:26 UTC

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

    [ https://issues.apache.org/jira/browse/HADOOP-8015?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13688161#comment-13688161 ] 

Suresh Srinivas commented on HADOOP-8015:
-----------------------------------------

[~revans2] Given that this is in 0.23, could you please merge this to branch-2 and branch-2.1.0-beta?
                
> 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
>             Fix For: 0.23.1
>
>         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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