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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-4131) Add capability to namenode to get snapshot diff
Date Wed, 30 Jan 2013 13:47:13 GMT

    [ https://issues.apache.org/jira/browse/HDFS-4131?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13566477#comment-13566477
] 

Hudson commented on HDFS-4131:
------------------------------

Integrated in Hadoop-Hdfs-Snapshots-Branch-build #86 (See [https://builds.apache.org/job/Hadoop-Hdfs-Snapshots-Branch-build/86/])
    HDFS-4131. Add capability to namenode to get snapshot diff. Contributed by Jing Zhao.
(Revision 1440152)

     Result = FAILURE
suresh : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1440152
Files : 
* /hadoop/common/branches/HDFS-2802/hadoop-hdfs-project/hadoop-hdfs/CHANGES.HDFS-2802.txt
* /hadoop/common/branches/HDFS-2802/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSNamesystem.java
* /hadoop/common/branches/HDFS-2802/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/INodeDirectory.java
* /hadoop/common/branches/HDFS-2802/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/snapshot/INodeDirectorySnapshottable.java
* /hadoop/common/branches/HDFS-2802/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/snapshot/INodeDirectoryWithSnapshot.java
* /hadoop/common/branches/HDFS-2802/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/snapshot/SnapshotManager.java
* /hadoop/common/branches/HDFS-2802/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/snapshot/diff/Diff.java
* /hadoop/common/branches/HDFS-2802/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/snapshot/TestSnapshotDiffReport.java

                
> 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
tree. 
> Specifically, a new method getSnapshotDiffReport(Path, String, String) is added to FSNamesystem
to compute the snapshot diff. The snapshot diff is represented as a SnapshotDiffReport internally.
In later jiras we will add support to present the SnapshotDiffReport to end users.

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