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https://issues.apache.org/jira/browse/HDFS-3497?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13412570#comment-13412570
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Junping Du commented on HDFS-3497:
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This patch is for adding additional layer of nodegroup to Balancer. This patch
is only one part (major part), the other part is tracked in HDFS-3496
> Update Balancer for performance optimization with Node Group- "choose the
> target and source node on the same node group for balancing as the first
> priority
> -----------------------------------------------------------------------------------------------------------------------------------------------------------
>
> Key: HDFS-3497
> URL: https://issues.apache.org/jira/browse/HDFS-3497
> Project: Hadoop HDFS
> Issue Type: Sub-task
> Components: balancer
> Affects Versions: 1.0.0, 2.0.0-alpha
> Reporter: Junping Du
> Assignee: Junping Du
> Attachments: HDFS-3497.patch
>
>
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