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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