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From "Todd Lipcon (Updated) (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (HDFS-2562) Refactor DN configuration variables out of DataNode class
Date Fri, 18 Nov 2011 09:05:51 GMT

     [ https://issues.apache.org/jira/browse/HDFS-2562?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel

Todd Lipcon updated HDFS-2562:

          Resolution: Fixed
       Fix Version/s: 0.23.1
    Target Version/s: 0.23.0, 0.24.0  (was: 0.24.0, 0.23.0)
        Hadoop Flags: Reviewed
              Status: Resolved  (was: Patch Available)

Committed to trunk and 23 (for 23.1). Thanks for the quick review.
> 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
>             Fix For: 0.24.0, 0.23.1
>         Attachments: hdfs-2562.txt
> 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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