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https://issues.apache.org/jira/browse/HADOOP-8843?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Allen Wittenauer updated HADOOP-8843:
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Fix Version/s: (was: 3.0.0)
> 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
> Fix For: 0.23.4, 2.0.3-alpha
>
> 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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