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From "Tsz Wo (Nicholas), SZE (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-4446) Support file snapshot with diff lists
Date Fri, 01 Feb 2013 03:39:13 GMT

     [ https://issues.apache.org/jira/browse/HDFS-4446?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Tsz Wo (Nicholas), SZE updated HDFS-4446:
-----------------------------------------

    Attachment: h4446_20130131.patch

h4446_20130131.patch: adds diff lists to INodeFileWithSnapshot and INodeFileUnderConstructionWithSnapshot,
and removes INodeFileSnapshot and INodeFileUnderConstructionSnapshot.

Todo items:
- update the file deletion logic;
- update fsimage.
                
> Support file snapshot with diff lists
> -------------------------------------
>
>                 Key: HDFS-4446
>                 URL: https://issues.apache.org/jira/browse/HDFS-4446
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: namenode
>            Reporter: Tsz Wo (Nicholas), SZE
>            Assignee: Tsz Wo (Nicholas), SZE
>         Attachments: h4446_20130131.patch
>
>
> Similar to INodeDirectoryWithSnapshot, it is better to implement INodeFileWithSnapshot
so that the INodeFileSnapshot class can be eliminated.

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