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https://issues.apache.org/jira/browse/HDFS-10580?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Yiqun Lin updated HDFS-10580:
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    Status: Patch Available  (was: Open)

Attach a initial patch, thanks for review.

> 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: Sub-task
>          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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