Resolve NN symlinks internally
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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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