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From "Jing Zhao (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-5715) Use Snapshot ID to indicate the corresponding Snapshot for a FileDiff/DirectoryDiff
Date Fri, 03 Jan 2014 19:29:50 GMT

     [ https://issues.apache.org/jira/browse/HDFS-5715?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Jing Zhao updated HDFS-5715:
----------------------------

    Attachment: HDFS-5715.000.patch

Initial patch for review.

> 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
>         Attachments: HDFS-5715.000.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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