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https://issues.apache.org/jira/browse/HADOOP-8710?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13437073#comment-13437073
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Aaron T. Myers commented on HADOOP-8710:
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+1, the patch looks good to me.
> 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
> 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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