Tsz Wo (Nicholas), SZE created HDFS-4209:
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Summary: Clean up FSDirectory and INode
Key: HDFS-4209
URL: https://issues.apache.org/jira/browse/HDFS-4209
Project: Hadoop HDFS
Issue Type: Bug
Components: name-node
Reporter: Tsz Wo (Nicholas), SZE
Assignee: Tsz Wo (Nicholas), SZE
Priority: Minor
Attachments: h4209_20121118.patch
- FSDirectory.addToParent(..) is only used by image loading so that
synchronization, modification time update and space count update are not needed.
- There are multiple places checking whether an inode is file by checking
!isDirectory() && !isSymlink(). Let's add isFile() to INode.
- The addNode/addChild/addChildNoQuotaCheck methods returning the same INode
back is not useful. It is better to simply return a boolean to indicate
whether the inode is added. Also, the childDiskspace parameter is always
unknown.
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