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From "Wendy Chien (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HADOOP-432) support undelete, snapshots, or other mechanism to recover lost files
Date Wed, 29 Nov 2006 19:52:22 GMT
    [ http://issues.apache.org/jira/browse/HADOOP-432?page=comments#action_12454421 ] 
Wendy Chien commented on HADOOP-432:

Concerning dhruba's comments:
1. We discussed making the trash directory name configurable and decided against it.  I think
the general opinion was that the extra flexibility wasn't necessary.  
2. You are right.  In the case you descirbe, it fails because the original directory no longer
exists.  This is a bug.  I checked what Windows does and it seems to give you the option to
restore a recycle bin file to its original location or copy it to somewhere else.   When restoring,
if the original folder no longer exists, it creates it again.

I can fix the bug so the directory is recreated.  Do we also want to allow the user to pick
a new destination?

> support undelete, snapshots, or other mechanism to recover lost files
> ---------------------------------------------------------------------
>                 Key: HADOOP-432
>                 URL: http://issues.apache.org/jira/browse/HADOOP-432
>             Project: Hadoop
>          Issue Type: Improvement
>          Components: dfs
>            Reporter: Yoram Arnon
>         Assigned To: Wendy Chien
>         Attachments: undelete.patch, undelete11.patch
> currently, once you delete a file it's gone forever.
> most file systems allow some form of recovery of deleted files.
> a simple solution would be an 'undelete' command.
> a more comprehensive solution would include snapshots, manual and automatic, with scheduling

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