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From "Binglin Chang (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-4955) Use InodeID to improve snapshot diff
Date Wed, 03 Jul 2013 18:22:20 GMT
Binglin Chang created HDFS-4955:

             Summary: Use InodeID to improve snapshot diff
                 Key: HDFS-4955
                 URL: https://issues.apache.org/jira/browse/HDFS-4955
             Project: Hadoop HDFS
          Issue Type: Bug
            Reporter: Binglin Chang

Currently snapshot diff doesn't handle file/dir rename very well, so distcp can't do minimal
data transfer in incremental backup. Using InodeID can uniquely identify a file, and can help
diff search algorithm.

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