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https://issues.apache.org/jira/browse/HDFS-11551?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17281844#comment-17281844
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Arpit Agarwal commented on HDFS-11551:
--------------------------------------

Thanks for the contribution [~tomscut]! Would you consider filing a new Apache 
Jira and linking your PR there. Feel free to tag me on the new Jira.

> Handle SlowDiskReport from DataNode at the NameNode
> ---------------------------------------------------
>
>                 Key: HDFS-11551
>                 URL: https://issues.apache.org/jira/browse/HDFS-11551
>             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-11551-branch-2.001.patch, 
> HDFS-11551-branch-2.002.patch, HDFS-11551.001.patch, HDFS-11551.002.patch, 
> HDFS-11551.003.patch, HDFS-11551.004.patch, HDFS-11551.005.patch, 
> HDFS-11551.006.patch, HDFS-11551.007.patch, HDFS-11551.008.patch, 
> HDFS-11551.009.patch, HDFS-11551.010.patch
>
>
> DataNodes send slow disk reports via heartbeats. Handle these reports at the 
> NameNode to find the topN slow disks.



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