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https://issues.apache.org/jira/browse/HDFS-4800?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Tsz Wo (Nicholas), SZE resolved HDFS-4800.
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Resolution: Fixed
Fix Version/s: Snapshot (HDFS-2802)
I have committed this. Thanks, Jing!
> Fix INodeDirectoryWithSnapshot#cleanDeletedINode
> ------------------------------------------------
>
> Key: HDFS-4800
> URL: https://issues.apache.org/jira/browse/HDFS-4800
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: namenode
> Reporter: Jing Zhao
> Assignee: Jing Zhao
> Priority: Minor
> Fix For: Snapshot (HDFS-2802)
>
> Attachments: HDFS-4800.001.patch
>
>
> HDFS-4791 updated and fixed the deletion logic for reference node, but did
> not update INodeDirectoryWithSnapshot#cleanDeletedINode. When deleting a
> snapshot s, after we merge s1 to its prior snapshot s0, cleanDeletedINode is
> called to destroy the files/directories that were created after taking
> snapshot s0. However, if a node is in the deleted list of s1 because of
> renaming, we should not destroy the node and its subtree, but just continue
> the normal snapshot deletion process.
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