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From "Tsz Wo (Nicholas), SZE (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-4209) Clean up FSDirectory and INode
Date Mon, 19 Nov 2012 01:06:58 GMT
Tsz Wo (Nicholas), SZE created HDFS-4209:
--------------------------------------------

             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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