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From "Jing Zhao (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-4758) Disallow nested snapshottable directories
Date Tue, 30 Apr 2013 22:30:18 GMT

    [ https://issues.apache.org/jira/browse/HDFS-4758?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13646073#comment-13646073
] 

Jing Zhao commented on HDFS-4758:
---------------------------------

The patch looks good to me. +1 for the patch.
                
> Disallow nested snapshottable directories
> -----------------------------------------
>
>                 Key: HDFS-4758
>                 URL: https://issues.apache.org/jira/browse/HDFS-4758
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: namenode
>            Reporter: Tsz Wo (Nicholas), SZE
>            Assignee: Tsz Wo (Nicholas), SZE
>         Attachments: h4758_20140426.patch, h4758_20140429b.patch, h4758_20140429.patch,
h4758_20140430.patch
>
>
> Nested snapshottable directories are supported by the current implementation.  However,
it seems that there are no good use cases for nested snapshottable directories.  So we disable
it for now until someone has a valid use case for it.

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