[jira] Commented: (HADOOP-1665) DFS Trash feature bugs

["Gautam Kowshik (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/HADOOP-1665?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12527306 ] 

Gautam Kowshik commented on HADOOP-1665:
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I'v tested the  cases above.. both cases work fine.. 
one small observation that's not consistent with the comments above..
  bin/hadoop dfs -mkdir /dir
  bin/hadoop dfs -rmr /dir
    Moved to trash: /dir
  bin/hadoop dfs -mkdir /dir
  bin/hadoop dfs -rmr /dir
    Moved to trash: /dir
  bin/hadoop dfs -mkdir /dir
  bin/hadoop dfs -rmr /dir
    Moved to trash: /dir
  bin/hadoop dfs -lsr /Trash
  /Trash/Current  <dir>           2007-09-13 22:59
  /Trash/Current/dir      <dir>           2007-09-13 22:32
  /Trash/Current/dir.1    <dir>           2007-09-13 22:32
  /Trash/Current/dir.2    <dir>           2007-09-13 22:32

Note that the subsequent dirs were dir1, dir2 not dir.0, dir.1


> DFS Trash feature bugs
> ----------------------
>
>                 Key: HADOOP-1665
>                 URL: https://issues.apache.org/jira/browse/HADOOP-1665
>             Project: Hadoop
>          Issue Type: Bug
>          Components: dfs
>    Affects Versions: 0.13.1
>            Reporter: Nigel Daley
>            Assignee: dhruba borthakur
>            Priority: Blocker
>             Fix For: 0.14.0
>
>         Attachments: Trash3.patch
>
>
> In testing the DFS Trash feature, I've run across a couple of bugs.
> 1) Attempting to remove the same file fails when attempted within the same fs.trash.interval:
>     % bin/hadoop dfs -put file /file
>     % bin/hadoop dfs -rm /file
>     Moved to trash: /file
>     % bin/hadoop dfs -put file /file
>     % bin/hadoop dfs -rm /file
>     rm: Failed to move to trash: /file
> 2) Removing a file within a directory, followed by removing the directory creates a bizzare hierarchy within /Trash:
>     % bin/hadoop dfs -mkdir /dir
>     % bin/hadoop dfs -put file /dir/file
>     % bin/hadoop dfs -rm /dir/file
>     Moved to trash: /dir/file
>     % bin/hadoop dfs -rmr /dir
>     Moved to trash: /dir
>     % bin/hadoop dfs -lsr /Trash
>     /Trash/Current  <dir>
>     /Trash/Current/dir      <dir>
>     /Trash/Current/dir/dir  <dir>     <-- This is weird; potentially related to a rename case not fixed by HADOOP-1623 ???
>     /Trash/Current/dir/file <r 3>   10

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