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From "Daryn Sharp (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-10674) Optimize creating a full path from an inode
Date Thu, 21 Jul 2016 22:48:20 GMT
Daryn Sharp created HDFS-10674:

             Summary: Optimize creating a full path from an inode
                 Key: HDFS-10674
                 URL: https://issues.apache.org/jira/browse/HDFS-10674
             Project: Hadoop HDFS
          Issue Type: Sub-task
          Components: hdfs
            Reporter: Daryn Sharp
            Assignee: Daryn Sharp

{{INode#getFullPathName}} walks up the inode tree, creates a INode[], converts each component
byte[] name to a String while building the path.  This involves many allocations, copies,
and char conversions.

The path should be built with a single byte[] allocation.

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