Jing Zhao created HDFS-4800:
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Summary: Fix INodeDirectoryWithSnapshot#cleanDeletedINode
Key: HDFS-4800
URL: https://issues.apache.org/jira/browse/HDFS-4800
Project: Hadoop HDFS
Issue Type: Sub-task
Reporter: Jing Zhao
Assignee: Jing Zhao
Priority: Minor
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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