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From "Hudson (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (HDFS-4098) Support append to original files which are snapshotted
Date Tue, 15 Jan 2013 13:04:44 GMT

    [ https://issues.apache.org/jira/browse/HDFS-4098?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13553771#comment-13553771
] 

Hudson commented on HDFS-4098:
------------------------------

Integrated in Hadoop-Hdfs-Snapshots-Branch-build #71 (See [https://builds.apache.org/job/Hadoop-Hdfs-Snapshots-Branch-build/71/])
    svn merge -c -1432788 for reverting HDFS-4098. Add FileWithLink, INodeFileUnderConstructionWithLink
and INodeFileUnderConstructionSnapshot in order to support append to snapshotted files. (Revision
1433284)

     Result = FAILURE
szetszwo : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1433284
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/FSEditLogLoader.java
* /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/INode.java
* /hadoop/common/branches/HDFS-2802/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/INodeFile.java
* /hadoop/common/branches/HDFS-2802/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/INodeFileUnderConstruction.java
* /hadoop/common/branches/HDFS-2802/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/snapshot/FileWithLink.java
* /hadoop/common/branches/HDFS-2802/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/snapshot/INodeFileUnderConstructionSnapshot.java
* /hadoop/common/branches/HDFS-2802/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/snapshot/INodeFileUnderConstructionWithLink.java
* /hadoop/common/branches/HDFS-2802/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/snapshot/INodeFileWithLink.java
* /hadoop/common/branches/HDFS-2802/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestSnapshotPathINodes.java
* /hadoop/common/branches/HDFS-2802/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/snapshot/TestSnapshot.java

                
> Support append to original files which are snapshotted
> ------------------------------------------------------
>
>                 Key: HDFS-4098
>                 URL: https://issues.apache.org/jira/browse/HDFS-4098
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: namenode
>            Reporter: Tsz Wo (Nicholas), SZE
>            Assignee: Tsz Wo (Nicholas), SZE
>             Fix For: Snapshot (HDFS-2802)
>
>         Attachments: h4098_20130107.patch, h4098_20130109b.patch, h4098_20130113.patch,
HDFS-4098.compile.patch
>
>
> When a regular file is reopened for append, the type is changed from INodeFile to INodeFileUnderConstruction.
 The type of snapshotted files (i.e. original files) is INodeFileWithLink.  We have to support
similar "under construction" INodeFileWithLink.

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