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From "Todd Lipcon (Created) (JIRA)" <j...@apache.org>
Subject [jira] [Created] (HDFS-2562) Refactor DN configuration variables out of DataNode class
Date Fri, 18 Nov 2011 00:48:57 GMT
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

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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