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https://issues.apache.org/jira/browse/HDFS-11461?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15884542#comment-15884542
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Allen Wittenauer commented on HDFS-11461:
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bq. detect outliers among them
How do you determine if the disk traffic is actually from HDFS or from
something else? Isn't this data better collected at the system level rather
than from Hadoop?
> 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
> Attachments: HDFS-11461.000.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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