Yiqun Lin created HDFS-10925:
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Summary: Cache symlinkString in INodeSymlink
Key: HDFS-10925
URL: https://issues.apache.org/jira/browse/HDFS-10925
Project: Hadoop HDFS
Issue Type: Sub-task
Reporter: Yiqun Lin
Assignee: Yiqun Lin
Priority: Minor
In {{INodeSymlink}}'s construct method, it will transfer the input symlink
string to a byte array. If we want to invoke {{INodeSymlink#getSymlinkString}},
it will transfer the byte array to the string again. Since we don't cache
symlinkString here, it will do the {{DFSUtil.bytes2String}} method every time.
It seems not efficient.
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