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From "Doug Cutting (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-4683) Per directory trash settings / trash override
Date Wed, 10 Apr 2013 17:28:15 GMT

    [ https://issues.apache.org/jira/browse/HDFS-4683?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13628009#comment-13628009
] 

Doug Cutting commented on HDFS-4683:
------------------------------------

With HADOOP-8689, a client that calls Trash#moveToTrash() is no longer be able to bypass the
trash but clients can still instead call FileSystem#delete() to bypass the trash entirely.
 In other words, I believe that your (B) option is already implemented.
                
> Per directory trash settings / trash override
> ---------------------------------------------
>
>                 Key: HDFS-4683
>                 URL: https://issues.apache.org/jira/browse/HDFS-4683
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>         Environment: Hadoop2
>            Reporter: John Vines
>
> With the migration of trash settings to server side, it becomes more complicated for
applications built on top of HDFS to properly deal with their trash. Applications like HBase
and Accumulo already have a fair amount of trash management, adding the HDFS Trash will simply
put more stress on DFS. But fully disabling the trash is overkill, as there still may be use
for it in other uses of hadoop.
> I would like to request either:
> A. per directory or user trash settings, so that applications which work in a specific
directory or use a specific user can continue to ignore the trash.
> B. An updated DistributedFileSystem delete() call which allows you to force ignoring
the trash. I'm not sure how feasible this is due to the FileSystem API, but it may be possible.

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