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From "Eli Collins (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HADOOP-8710) Remove ability for users to easily run the trash emptier
Date Fri, 17 Aug 2012 23:30:38 GMT

     [ https://issues.apache.org/jira/browse/HADOOP-8710?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Eli Collins updated HADOOP-8710:
--------------------------------

    Release Note: The trash emptier may no longer be run using "hadoop org.apache.hadoop.fs.Trash".
The trash emptier runs on the NameNode (if configured). Old trash checkpoints may be deleted
using "hadoop fs -expunge".  (was: The trash emptier may no longer be run using {{hadoop org.apache.hadoop.fs.Trash}}.
The trash emptier runs on the NameNode (if configured). Old trash checkpoints may be deleted
using {{hadoop fs -expunge}}.)
    
> Remove ability for users to easily run the trash emptier
> --------------------------------------------------------
>
>                 Key: HADOOP-8710
>                 URL: https://issues.apache.org/jira/browse/HADOOP-8710
>             Project: Hadoop Common
>          Issue Type: Improvement
>          Components: fs
>    Affects Versions: 1.0.0, 2.0.0-alpha
>            Reporter: Eli Collins
>            Assignee: Eli Collins
>             Fix For: 2.2.0-alpha
>
>         Attachments: hadoop-8710.txt
>
>
> Users can currently run the emptier via {{hadoop org.apache.hadoop.fs.Trash}}, which
seems error prone as there's nothing in that command that suggests it runs the emptier and
nothing that asks you before deleting the trash for all users (that the current user is capable
of deleting). Given that the trash emptier runs server side (eg on the NN) let's remove the
ability to easily run it client side.  Marking as an incompatible change since someone expecting
the hadoop command with this class specified to empty trash will no longer be able to (they'll
need to create their own class that does this).

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