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https://issues.apache.org/jira/browse/HDFS-10917?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Xiaobing Zhou updated HDFS-10917:
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Summary: Collect peer performance statistics on DataNode. (was: Maintain
various peer performance statistics on DataNode)
> Collect peer performance statistics on DataNode.
> ------------------------------------------------
>
> Key: HDFS-10917
> URL: https://issues.apache.org/jira/browse/HDFS-10917
> Project: Hadoop HDFS
> Issue Type: Improvement
> Components: datanode
> Affects Versions: 2.8.0
> Reporter: Xiaobing Zhou
> Assignee: Xiaobing Zhou
>
> DataNodes already detect if replication pipeline operations are slow and log
> warnings. For the purpose of analysis, performance metrics are desirable.
> This proposes adding them on DataNodes. These performance related statistics
> can be aggregated on the DataNode.
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