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From "Suresh Srinivas (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-2355) Federation: enable using the same configuration file across all the nodes in the cluster.
Date Wed, 21 Sep 2011 21:21:09 GMT
Federation: enable using the same configuration file across all the nodes in the cluster.
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                 Key: HDFS-2355
                 URL: https://issues.apache.org/jira/browse/HDFS-2355
             Project: Hadoop HDFS
          Issue Type: Improvement
            Reporter: Suresh Srinivas
            Assignee: Suresh Srinivas


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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