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From "Jason Lowe (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HADOOP-8843) Old trash directories are never deleted on upgrade from 1.x
Date Wed, 26 Sep 2012 14:49:09 GMT

    [ https://issues.apache.org/jira/browse/HADOOP-8843?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13463866#comment-13463866
] 

Jason Lowe commented on HADOOP-8843:
------------------------------------

Thanks, Todd.  Pushing this in.
                
> Old trash directories are never deleted on upgrade from 1.x
> -----------------------------------------------------------
>
>                 Key: HADOOP-8843
>                 URL: https://issues.apache.org/jira/browse/HADOOP-8843
>             Project: Hadoop Common
>          Issue Type: Bug
>    Affects Versions: 0.23.3, 2.0.2-alpha
>            Reporter: Robert Joseph Evans
>            Assignee: Jason Lowe
>            Priority: Critical
>         Attachments: HADOOP-8843.patch, HADOOP-8843.patch
>
>
> The older format of the trash checkpoint for 1.x is yyMMddHHmm the new format is yyMMddHHmmss(-\d+)?
so if you upgrade from an old cluster to a new one, all of the entires in .trash will never
be deleted because they currently are always ignored on deletion.
> We should support deleting the older format as well.

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