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https://issues.apache.org/jira/browse/HDFS-4234?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13509394#comment-13509394
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Junping Du commented on HDFS-4234:
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Nicholas, the second patch looks the same as the first one. May be you upload a
wrong patch? I will take a look at HDFS-4261.
> Use the generic code for choosing datanode in Balancer
> ------------------------------------------------------
>
> Key: HDFS-4234
> URL: https://issues.apache.org/jira/browse/HDFS-4234
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: balancer
> Reporter: Tsz Wo (Nicholas), SZE
> Assignee: Tsz Wo (Nicholas), SZE
> Attachments: h4234_20121128.patch, h4234_20121128.patch
>
>
> HDFS-3495 added some generic code for choosing datanodes with NodeGroup
> topology in Balancer. We should reuse the code for choosing datanodes with
> racks.
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