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Posted to hdfs-dev@hadoop.apache.org by "Suresh Srinivas (JIRA)" <ji...@apache.org> on 2013/07/03 21:18:20 UTC

[jira] [Resolved] (HDFS-4955) Use InodeID to improve snapshot diff

     [ https://issues.apache.org/jira/browse/HDFS-4955?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Suresh Srinivas resolved HDFS-4955.
-----------------------------------

    Resolution: Duplicate

Duplicate of HDFS-4667
                
> 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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