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From "Tsz Wo (Nicholas), SZE (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (HDFS-4092) Update file deletion logic to support snapshot files
Date Thu, 25 Oct 2012 19:33:13 GMT

     [ https://issues.apache.org/jira/browse/HDFS-4092?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Tsz Wo (Nicholas), SZE resolved HDFS-4092.
------------------------------------------

       Resolution: Fixed
    Fix Version/s: Snapshot (HDFS-2802)
     Hadoop Flags: Reviewed

I have committed this.
                
> Update file deletion logic to support snapshot files
> ----------------------------------------------------
>
>                 Key: HDFS-4092
>                 URL: https://issues.apache.org/jira/browse/HDFS-4092
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: name-node
>            Reporter: Tsz Wo (Nicholas), SZE
>            Assignee: Tsz Wo (Nicholas), SZE
>             Fix For: Snapshot (HDFS-2802)
>
>         Attachments: h4092_20121023.patch, h4092_20121025b.patch, h4092_20121025.patch
>
>
> When snapshots are created, the blocks are shared among the snapshot files and the original
file.  Deletion of the snapshot file or the original file does not necessarily lead to deletion
of the blocks.  The deletion logic needs to be updated.

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