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From "Jing Zhao (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-4436) The snapshot copy INode.recordModification(..) returned is never used
Date Thu, 24 Jan 2013 21:05:12 GMT

    [ https://issues.apache.org/jira/browse/HDFS-4436?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13561976#comment-13561976
] 

Jing Zhao commented on HDFS-4436:
---------------------------------

Seems the INodeDirectoryWithSnapshot#removeChild still needs to update the circular linked
list when the node is directly removed from the created list. Otherwise we may have extra
hidden nodes in the circular linked list. 
                
> The snapshot copy INode.recordModification(..) returned is never used
> ---------------------------------------------------------------------
>
>                 Key: HDFS-4436
>                 URL: https://issues.apache.org/jira/browse/HDFS-4436
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: datanode, namenode
>            Reporter: Tsz Wo (Nicholas), SZE
>            Assignee: Tsz Wo (Nicholas), SZE
>            Priority: Minor
>         Attachments: h4436_20130123.patch
>
>
> INode.recordModification(..) and some other related methods currently returns a pair
of current object and the snapshot copy.  However, the snapshot copy is never used.

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