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Posted to hdfs-dev@hadoop.apache.org by "Tsz Wo (Nicholas), SZE (JIRA)" <ji...@apache.org> on 2012/10/25 21:33:13 UTC

[jira] [Resolved] (HDFS-4092) Update file deletion logic to support snapshot files

     [ 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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