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https://issues.apache.org/jira/browse/HDFS-4749?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tsz Wo (Nicholas), SZE resolved HDFS-4749.
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Resolution: Fixed
Fix Version/s: Snapshot (HDFS-2802)
I have committed this. Thanks, Jing!
> Use INodeId to identify the corresponding directory node for FSImage
> saving/loading
> -----------------------------------------------------------------------------------
>
> Key: HDFS-4749
> URL: https://issues.apache.org/jira/browse/HDFS-4749
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: namenode
> Reporter: Jing Zhao
> Assignee: Jing Zhao
> Fix For: Snapshot (HDFS-2802)
>
> Attachments: HDFS-4749.000.patch
>
>
> Currently in fsimage, we use the path to locate a directory node for later
> loading, i.e., when loading a subtree from fsimage, we first read the path of
> the directory node, and resolve the path to identify the directory node. This
> brings extra complexity since we need to generate path for directory nodes in
> both the current tree and snapshot copies.
> As a simplification, we can use INodeId to identify the directory node.
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