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From "Jing Zhao (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-6609) Use DirectorySnapshottableFeature to represent a snapshottable directory
Date Mon, 30 Jun 2014 22:19:24 GMT

     [ https://issues.apache.org/jira/browse/HDFS-6609?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jing Zhao updated HDFS-6609:
----------------------------

    Attachment: HDFS-6609.000.patch

Initial patch. The patch adds a new DirectorySnapshottableFeature which extends the existing
DirectoryWithSnapshotFeature.

> Use DirectorySnapshottableFeature to represent a snapshottable directory
> ------------------------------------------------------------------------
>
>                 Key: HDFS-6609
>                 URL: https://issues.apache.org/jira/browse/HDFS-6609
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: namenode
>            Reporter: Jing Zhao
>            Assignee: Jing Zhao
>         Attachments: HDFS-6609.000.patch
>
>
> Currently we use INodeDirectorySnapshottable to represent a snapshottable directory.
When we set a directory to snapshottable, we also need to replace the corresponding INode.
It will be better to use a DirectorySnapshottableFeature to simplify the process and get rid
of the inode replacement.



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