Yiqun Lin created HDFS-10580:
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             Summary: DiskBalancer : Make use of unused methods in 
GreedyPlanner to print debug info
                 Key: HDFS-10580
                 URL: https://issues.apache.org/jira/browse/HDFS-10580
             Project: Hadoop HDFS
          Issue Type: Bug
          Components: balancer & mover
            Reporter: Yiqun Lin
            Assignee: Yiqun Lin
            Priority: Minor


There are two unused method {{skipVolume}} and {{printQueue}} in class 
{{GreedyPlanner}}. These two methods were added in HDFS-9469 but they are not 
used. In these two method, it will print the detail debug info. So We can make 
use of them.



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