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https://issues.apache.org/jira/browse/HDFS-2355?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13117283#comment-13117283
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Hudson commented on HDFS-2355:
------------------------------
Integrated in Hadoop-Mapreduce-trunk #845 (See
[https://builds.apache.org/job/Hadoop-Mapreduce-trunk/845/])
HDFS-2355. Federation: enable using the same configuration file across all
the nodes in the cluster. Contributed by Suresh Srinivas.
suresh : http://svn.apache.org/viewcvs.cgi/?root=Apache-SVN&view=rev&rev=1177100
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/DFSUtil.java
*
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/BackupNode.java
*
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/NameNode.java
*
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/main/java/org/apache/hadoop/hdfs/server/namenode/SecondaryNameNode.java
*
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/TestDFSUtil.java
*
/hadoop/common/trunk/hadoop-hdfs-project/hadoop-hdfs/src/test/java/org/apache/hadoop/hdfs/server/datanode/TestMulitipleNNDataBlockScanner.java
> Federation: enable using the same configuration file across all the nodes in
> the cluster.
> -----------------------------------------------------------------------------------------
>
> Key: HDFS-2355
> URL: https://issues.apache.org/jira/browse/HDFS-2355
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: name-node
> Affects Versions: 0.23.0
> Reporter: Suresh Srinivas
> Assignee: Suresh Srinivas
> Fix For: 0.24.0
>
> Attachments: HDFS-2355.txt, HDFS-2355.txt
>
>
> In federation the configuration files xml include another configuration xml.
> This configuration xml is empty for datanodes and defines nameservice ID for
> namenodes, secondary and backup nodes. The need for xml include can be
> eliminated by namenodes determining the nameservice ID by matching its local
> address with a configured address (such as namenode rpc address) and on match
> using the nameservice ID of the corresponding configuration parameter.
> For more details about federation configuration see
> https://issues.apache.org/jira/browse/HDFS-1689?focusedCommentId=13001749&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-13001749
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