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https://issues.apache.org/jira/browse/HDFS-6609?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14049098#comment-14049098
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Jing Zhao commented on HDFS-6609:
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Thanks for the review, [~wheat9]. Will update the patch to address the comments.
> 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, HDFS-6609.001.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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