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https://issues.apache.org/jira/browse/HDFS-11461?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17748590#comment-17748590
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Yuanbo Liu commented on HDFS-11461:
-----------------------------------

This patch seems to need amend as the mean value of read/write io is not 
accurate, see the segment below

!image-2023-07-28-20-22-52-799.png|width=619,height=413!

> DataNode Disk Outlier Detection
> -------------------------------
>
>                 Key: HDFS-11461
>                 URL: https://issues.apache.org/jira/browse/HDFS-11461
>             Project: Hadoop HDFS
>          Issue Type: Improvement
>          Components: hdfs
>            Reporter: Hanisha Koneru
>            Assignee: Hanisha Koneru
>            Priority: Major
>             Fix For: 2.9.0, 3.0.0-alpha4
>
>         Attachments: HDFS-11461-branch-2.000.patch, HDFS-11461.000.patch, 
> HDFS-11461.001.patch, HDFS-11461.002.patch
>
>
> Similar to how DataNodes collect peer performance statistics, we can collect 
> disk performance statistics per datanode and detect outliers among them, if 
> any.



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