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https://issues.apache.org/jira/browse/HDFS-6583?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14040131#comment-14040131
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Hudson commented on HDFS-6583:
------------------------------
FAILURE: Integrated in Hadoop-Mapreduce-trunk #1809 (See
[https://builds.apache.org/job/Hadoop-Mapreduce-trunk/1809/])
HDFS-6583. Remove clientNode in FileUnderConstructionFeature. Contributed by
Haohui Mai. (wheat9:
http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1604541)
* /hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/CHANGES.txt
*
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSDirectory.java
*
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSEditLogLoader.java
*
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSImageFormat.java
*
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSImageFormatPBINode.java
*
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSImageSerialization.java
*
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FSNamesystem.java
*
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/FileUnderConstructionFeature.java
*
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/INodeFile.java
*
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/CreateEditsLog.java
*
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestEditLog.java
*
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/namenode/TestINodeFile.java
> Remove clientNode in FileUnderConstructionFeature
> -------------------------------------------------
>
> Key: HDFS-6583
> URL: https://issues.apache.org/jira/browse/HDFS-6583
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: namenode
> Reporter: Haohui Mai
> Assignee: Haohui Mai
> Priority: Minor
> Fix For: 2.5.0
>
> Attachments: HDFS-6583.000.patch, HDFS-6583.001.patch
>
>
> {{FileUnderConstructionFeature}} contains two fields {{clientMachine}} and
> {{clientNode}}. {{clientNode}} keeps a reference of a {{DatanodeDescriptor}}.
> The reference be recomputed by consulting {{DatanodeManager}}.
> This jira proposes to remove {{clientNode}} in the
> {{FileUnderConstructionFeature}} to simplify the code and to reduce overhead.
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