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https://issues.apache.org/jira/browse/HDFS-10295?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Junping Du updated HDFS-10295:
------------------------------
    Target Version/s:   (was: 2.8.0)

> Balancer configures DN properties directly on-demand
> ----------------------------------------------------
>
>                 Key: HDFS-10295
>                 URL: https://issues.apache.org/jira/browse/HDFS-10295
>             Project: Hadoop HDFS
>          Issue Type: Sub-task
>          Components: balancer & mover
>    Affects Versions: 2.7.0
>            Reporter: John Zhuge
>            Assignee: John Zhuge
>
> This is a further enhancement to HDFS-10294. Instead of using NN APIs, use 
> new DN APIs to query and set necessary properties on the DNs involved.
> Details:
> * Before each balancing iteration, set the properties on all DNs involved in 
> the current iteration.
> * Need new DN APIs to query and set the balancing properties.



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