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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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Description: 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 and reported to NameNode as part of heartbeat
message.
> Maintain various 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 and reported to NameNode as part of heartbeat message.
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