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From "Suresh Srinivas (JIRA)" <j...@apache.org>
Subject [jira] [Resolved] (HDFS-4131) Add capability to namenode to get snapshot diff
Date Tue, 29 Jan 2013 21:33:13 GMT

     [ https://issues.apache.org/jira/browse/HDFS-4131?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Suresh Srinivas resolved HDFS-4131.

       Resolution: Fixed
    Fix Version/s: Snapshot (HDFS-2802)
     Hadoop Flags: Reviewed

I committed the change to the branch.

Thank you Jing!
> Add capability to namenode to get snapshot diff
> -----------------------------------------------
>                 Key: HDFS-4131
>                 URL: https://issues.apache.org/jira/browse/HDFS-4131
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: datanode, namenode
>    Affects Versions: Snapshot (HDFS-2802)
>            Reporter: Suresh Srinivas
>            Assignee: Jing Zhao
>             Fix For: Snapshot (HDFS-2802)
>         Attachments: HDFS-4131.001.patch, HDFS-4131.002.patch, HDFS-4131.003.patch, HDFS-4131.004.patch,
HDFS-4131.005.patch, HDFS-4131.006.patch
> This jira provides internal data structures and computation processes for calculating
and representing the diff between two snapshots, or the diff between a snapshot and the current
> Specifically, a new method getSnapshotDiffReport(Path, String, String) is added to FSNamesystem
to compute the snapshot diff, which is then later represented as a SnapshotDiffReport. In
later jiras we will add support to represent the SnapshotDiffReport to end users.

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