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https://issues.apache.org/jira/browse/HDFS-16371?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Takanobu Asanuma resolved HDFS-16371.
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Fix Version/s: 3.4.0
Resolution: Fixed
> Exclude slow disks when choosing volume
> ---------------------------------------
>
> Key: HDFS-16371
> URL: https://issues.apache.org/jira/browse/HDFS-16371
> Project: Hadoop HDFS
> Issue Type: New Feature
> Reporter: tomscut
> Assignee: tomscut
> Priority: Major
> Labels: pull-request-available
> Fix For: 3.4.0
>
> Time Spent: 3.5h
> Remaining Estimate: 0h
>
> Currently, the datanode can detect slow disks. See HDFS-11461.
> And after HDFS-16311, the slow disk information we collected is more accurate.
> So we can exclude these slow disks according to some rules when choosing
> volume. This will prevents some slow disks from affecting the throughput of
> the whole datanode.
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