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From "Eli Collins (JIRA)" <j...@apache.org>
Subject [jira] Created: (HDFS-932) Resolve NN symlinks internally
Date Fri, 29 Jan 2010 05:25:34 GMT
Resolve NN symlinks internally
------------------------------

                 Key: HDFS-932
                 URL: https://issues.apache.org/jira/browse/HDFS-932
             Project: Hadoop HDFS
          Issue Type: Improvement
          Components: name-node
            Reporter: Eli Collins
            Assignee: Eli Collins


In the current symbolic link code an exception is thrown from the NameNode to FileContext
for every symbolic link in a path. As an optimization to remove these round trips the NameNode
can resolve symbolic links that have relative or absolute targets internally without going
up to FileContext. Partially and fully qualified link targets still need to get resolved by
FileContext since they may refer to different file systems.

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