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https://issues.apache.org/jira/browse/HDFS-17642?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17892576#comment-17892576
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ASF GitHub Bot commented on HDFS-17642:
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aQuigs commented on PR #7127:
URL: https://github.com/apache/hadoop/pull/7127#issuecomment-2435940213
> > Small comments then LGTM for adding the parameters. I assume this needs
a separate commit for the functionality itself. Is OSS okay with merging this
now or should we wait until we have both commits?
>
> @aQuigs This PR includes functionality - the change in private long
init(List reports) method is where we filter out the allowed/excluded nodes
from being targets or or sources
Ah, got it, I overlooked that piece. LGTM - thanks
> 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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