Refactor Datanode#startDataNode method
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Key: HDFS-1434
URL: https://issues.apache.org/jira/browse/HDFS-1434
Project: Hadoop HDFS
Issue Type: Improvement
Components: data-node
Affects Versions: 0.22.0
Reporter: Suresh Srinivas
Assignee: Suresh Srinivas
Fix For: 0.22.0
Attachments: HDFS-1434.patch
This method is very long, approximately 190 lines. Splitting this method into
smaller methods. This also helps in federation where some of the initialization
in this methods will be done once for a datanode and others once in every
heartbeat thread per namenode in DN.
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