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https://issues.apache.org/jira/browse/HDFS-16966?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18029248#comment-18029248
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ASF GitHub Bot commented on HDFS-16966:
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github-actions[bot] closed pull request #6126: HDFS-16966. Add threshold to
avoid hot disk in AvailableSpaceVolumeCh…
URL: https://github.com/apache/hadoop/pull/6126
> Optimize AvailableSpaceVolumeChoosingPolicy to avoid disk hotpoint
> ------------------------------------------------------------------
>
> Key: HDFS-16966
> URL: https://issues.apache.org/jira/browse/HDFS-16966
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: datanode
> Reporter: leo sun
> Priority: Major
> Labels: pull-request-available
>
> The AvailableSpaceVolumeChoosingPolicy will write the most of replicas into
> the disks with more available space than others.
> But when a new disk is launched, most write request on this DN will be on
> this disk, it will cause the disk hotpoint.
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