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https://issues.apache.org/jira/browse/HDFS-17642?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17898419#comment-17898419
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ASF GitHub Bot commented on HDFS-17642:
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Jtdellaringa opened a new pull request, #7161:
URL: https://github.com/apache/hadoop/pull/7161
…de target node list parameters to balancer (#7127)
HDFS-17642. Add target node list, exclude source node list, and exclude
target node list parameters to balancer (#7127)
---------
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### Description of PR
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> Support specifying Datanodes to exclude for balancing at source/target
> granularity
> ----------------------------------------------------------------------------------
>
> Key: HDFS-17642
> URL: https://issues.apache.org/jira/browse/HDFS-17642
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: balancer & mover
> Reporter: Joseph Dell'Aringa
> Assignee: Joseph Dell'Aringa
> Priority: Major
> Labels: pull-request-available
>
> In some cases it can be useful to exclude a list of datanodes from being
> selected as a target but remaining an option for a source and vice-versa.
> The fix for this ticket will add an additional exclude list for source and
> target datanodes.
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