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From "Jing Zhao (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-5632) Add Snapshot feature to INodeDirectory
Date Fri, 13 Dec 2013 21:54:07 GMT

     [ https://issues.apache.org/jira/browse/HDFS-5632?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jing Zhao updated HDFS-5632:
----------------------------

    Attachment: HDFS-5632.003.patch

Thanks for the review, Nicholas! Update the patch to address the comments.

bq. but we should check precondition in DirectoryWithSnapshotFeature.destroyDstSubtree(..).

The destroyDstSubtree may be invoked recursively, and in some cases the given directory may
be not with snapshot. Thus I put the Precondition check in INodeReference#destroyAndCollectBlocks.

> Add Snapshot feature to INodeDirectory
> --------------------------------------
>
>                 Key: HDFS-5632
>                 URL: https://issues.apache.org/jira/browse/HDFS-5632
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: namenode
>            Reporter: Jing Zhao
>            Assignee: Jing Zhao
>         Attachments: HDFS-5632.000.patch, HDFS-5632.001.patch, HDFS-5632.002.patch, HDFS-5632.003.patch
>
>
> We will add snapshot feature to INodeDirectory and remove INodeDirectoryWithSnapshot
in this jira.



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