[jira] [Created] (HDFS-6837) Code cleanup for Balancer and Dispatcher

["Tsz Wo Nicholas Sze (JIRA)" <ji...@apache.org>]

Tsz Wo Nicholas Sze created HDFS-6837:
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             Summary: Code cleanup for Balancer and Dispatcher
                 Key: HDFS-6837
                 URL: https://issues.apache.org/jira/browse/HDFS-6837
             Project: Hadoop HDFS
          Issue Type: Improvement
          Components: balancer
            Reporter: Tsz Wo Nicholas Sze
            Assignee: Tsz Wo Nicholas Sze
            Priority: Minor
         Attachments: h6837_20140810.patch

A few minor code cleanup changes:
- The constructor of Dispatcher should not read Balancer's conf properties; the values should be passed by parameters.
- StorageGroup.utilization can be removed; it is only used in toString().
- Move Balancer.ReturnStatus to a standalone class.
- In Dispatcher, rename BalancerDatanode to DDatanode.



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