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https://issues.apache.org/jira/browse/HDFS-15793?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17286294#comment-17286294
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Hadoop QA commented on HDFS-15793:
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| {color:red}-1{color} | {color:red} yetus {color} | {color:red}  0m  9s{color} 
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| Docker | ClientAPI=1.41 ServerAPI=1.41 base: 
https://ci-hadoop.apache.org/job/PreCommit-HDFS-Build/478/artifact/out/Dockerfile
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| JIRA Issue | HDFS-15793 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/13020605/HDFS-15793.002.patch |
| Console output | 
https://ci-hadoop.apache.org/job/PreCommit-HDFS-Build/478/console |
| versions | git=2.25.1 |
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This message was automatically generated.



> Add command to DFSAdmin for Balancer max concurrent  threads
> ------------------------------------------------------------
>
>                 Key: HDFS-15793
>                 URL: https://issues.apache.org/jira/browse/HDFS-15793
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: balancer & mover
>            Reporter: Yang Yun
>            Assignee: Yang Yun
>            Priority: Minor
>         Attachments: HDFS-15793.001.patch, HDFS-15793.002.patch
>
>
> We have DFSAdmin command '-setBalancerBandwidth' to dynamically change the 
> max number of bytes per second of network bandwidth to be used by a datanode 
> during balancing.  Also add '-setBalancerMaxThreads' to dynamically change 
> the balancer maxThread number which may be used concurrently for moving 
> blocks.



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