Jing Zhao created HDFS-4857:
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Summary: Snapshot.Root and AbstractINodeDiff#snapshotINode should
not be put into INodeMap when loading FSImage
Key: HDFS-4857
URL: https://issues.apache.org/jira/browse/HDFS-4857
Project: Hadoop HDFS
Issue Type: Bug
Reporter: Jing Zhao
Assignee: Jing Zhao
Snapshot.Root, though is a subclass of INodeDirectory, is only used to indicate
the root of a snapshot. In the meanwhile, AbstractINodeDiff#snapshotINode is
used as copies recording the original state of an INode. Thus we should not put
them into INodeMap.
Currently when loading FSImage we did not check the type of inode and wrongly
put these two types of nodes into INodeMap. This may replace the nodes that
should stay in INodeMap.
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