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https://issues.apache.org/jira/browse/HDFS-10959?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Xiaoyu Yao updated HDFS-10959:
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Attachment: HDFS-10959.02.patch
Update patch that fixed the unit tests.
> Adding per disk IO statistics in DataNode.
> ------------------------------------------
>
> Key: HDFS-10959
> URL: https://issues.apache.org/jira/browse/HDFS-10959
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: datanode
> Reporter: Xiaoyu Yao
> Assignee: Xiaoyu Yao
> Attachments: HDFS-10959.00.patch, HDFS-10959.01.patch,
> HDFS-10959.02.patch
>
>
> This ticket is opened to support per disk IO statistics in DataNode based on
> HDFS-10930. The statistics added will make it easier to implement HDFS-4169
> "Add per-disk latency metrics to DataNode".
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