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From "Jing Zhao (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-5715) Use Snapshot ID to indicate the corresponding Snapshot for a FileDiff/DirectoryDiff
Date Tue, 07 Jan 2014 22:51:50 GMT

    [ https://issues.apache.org/jira/browse/HDFS-5715?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13864823#comment-13864823
] 

Jing Zhao commented on HDFS-5715:
---------------------------------

It works fine on my machine. What's the error msg in your build?

> Use Snapshot ID to indicate the corresponding Snapshot for a FileDiff/DirectoryDiff
> -----------------------------------------------------------------------------------
>
>                 Key: HDFS-5715
>                 URL: https://issues.apache.org/jira/browse/HDFS-5715
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: namenode
>            Reporter: Jing Zhao
>            Assignee: Jing Zhao
>             Fix For: 3.0.0
>
>         Attachments: HDFS-5715.000.patch, HDFS-5715.001.patch, HDFS-5715.002.patch
>
>
> Currently FileDiff and DirectoryDiff both contain a snapshot object reference to indicate
its associated snapshot. Instead, we can simply record the corresponding snapshot id there.
This can simplify some logic and allow us to use a byte array to represent the snapshot feature
(HDFS-5714).



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