[jira] [Resolved] (HDFS-17037) Consider nonDfsUsed when running balancer

["Xiaoqiao He (Jira)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/HDFS-17037?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Xiaoqiao He resolved HDFS-17037.
--------------------------------
    Fix Version/s: 3.4.0
     Hadoop Flags: Reviewed
       Resolution: Fixed

> Consider nonDfsUsed when running balancer
> -----------------------------------------
>
>                 Key: HDFS-17037
>                 URL: https://issues.apache.org/jira/browse/HDFS-17037
>             Project: Hadoop HDFS
>          Issue Type: Bug
>            Reporter: Shuyan Zhang
>            Assignee: Shuyan Zhang
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 3.4.0
>
>
> When we run balancer with `BalancingPolicy.Node` policy, our goal is to make each datanode storage balanced. But in the current implementation, the balancer doesn't account for storage used by non-dfs on the datanodes, which can make the situation worse for datanodes that are already strained on storage.



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