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https://issues.apache.org/jira/browse/HDFS-2562?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13152750#comment-13152750
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Hudson commented on HDFS-2562:
------------------------------
Integrated in Hadoop-Mapreduce-trunk-Commit #1309 (See
[https://builds.apache.org/job/Hadoop-Mapreduce-trunk-Commit/1309/])
HDFS-2562. Refactor DN configuration variables out of DataNode class.
Contributed by Todd Lipcon.
todd : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1203543
Files :
* /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/datanode/BlockReceiver.java
*
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/BlockSender.java
*
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/DNConf.java
*
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/DataNode.java
*
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/datanode/DataXceiver.java
*
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/TestInterDatanodeProtocol.java
> Refactor DN configuration variables out of DataNode class
> ---------------------------------------------------------
>
> Key: HDFS-2562
> URL: https://issues.apache.org/jira/browse/HDFS-2562
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: data-node
> Affects Versions: 0.24.0, 0.23.1
> Reporter: Todd Lipcon
> Assignee: Todd Lipcon
> Priority: Minor
> Fix For: 0.24.0, 0.23.1
>
> Attachments: hdfs-2562.txt
>
>
> Right now there are many member variables in DataNode.java which are just
> read from configuration when the DN is started. Similar to what we did with
> DFSClient, we should refactor them into a new DNConf class which can be
> passed around - the motivation is to remove the many references we have
> throughout the code that read package-protected members of DataNode and
> reduce the number of members in DataNode itself.
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