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From "Zhe Zhang (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-12379) NameNode getListing should use FileStatus instead of HdfsFileStatus
Date Thu, 31 Aug 2017 05:58:00 GMT
Zhe Zhang created HDFS-12379:
--------------------------------

             Summary: NameNode getListing should use FileStatus instead of HdfsFileStatus
                 Key: HDFS-12379
                 URL: https://issues.apache.org/jira/browse/HDFS-12379
             Project: Hadoop HDFS
          Issue Type: Improvement
          Components: namenode
            Reporter: Zhe Zhang


The public {{listStatus}} APIs in {{FileSystem}} and {{DistributedFileSystem}} expose {{FileStatus}}
instead of {{HdfsFileStatus}}. Therefore it is a waste to create the more expensive {{HdfsFileStatus}}
objects on NameNode.

It should be a simple change similar to HDFS-11641. Marking incompatible because wire protocol
is incompatible. Not sure what downstream apps are affected by this incompatibility. Maybe
those directly using curl, or writing their own HDFS client.



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