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https://issues.apache.org/jira/browse/HDFS-16311?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Shilun Fan updated HDFS-16311:
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Component/s: datanode
metrics
Hadoop Flags: Reviewed
Target Version/s: 3.2.4, 3.3.2, 2.10.2, 3.4.0
Affects Version/s: 3.2.4
3.3.2
2.10.2
3.4.0
> Metric metadataOperationRate calculation error in DataNodeVolumeMetrics
> -----------------------------------------------------------------------
>
> Key: HDFS-16311
> URL: https://issues.apache.org/jira/browse/HDFS-16311
> Project: Hadoop HDFS
> Issue Type: Bug
> Components: datanode, metrics
> Affects Versions: 3.4.0, 2.10.2, 3.3.2, 3.2.4
> Reporter: Tao Li
> Assignee: Tao Li
> Priority: Major
> Labels: pull-request-available
> Fix For: 3.4.0, 2.10.2, 3.3.2, 3.2.4
>
> Attachments: image-2021-11-09-20-22-26-828.png
>
> Time Spent: 1h 20m
> Remaining Estimate: 0h
>
> Metric metadataOperationRate calculation error in
> DataNodeVolumeMetrics#addFileIoError, causing MetadataOperationRateAvgTime is
> very large in some cases. *This will also cause slow disk metrics errors on
> the Namenode side.*
> !image-2021-11-09-20-22-26-828.png|width=450,height=205!
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