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https://issues.apache.org/jira/browse/HDFS-10917?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15713563#comment-15713563
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Hadoop QA commented on HDFS-10917:
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| (x) *{color:red}-1 overall{color}* |
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|| Vote || Subsystem || Runtime || Comment ||
| {color:blue}0{color} | {color:blue} reexec {color} | {color:blue}  0m  
0s{color} | {color:blue} Docker mode activated. {color} |
| {color:red}-1{color} | {color:red} patch {color} | {color:red}  0m 17s{color} 
| {color:red} HDFS-10917 does not apply to trunk. Rebase required? Wrong 
Branch? See https://wiki.apache.org/hadoop/HowToContribute for help. {color} |
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|| Subsystem || Report/Notes ||
| JIRA Issue | HDFS-10917 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/12841383/HDFS-10917.000.patch |
| Console output | 
https://builds.apache.org/job/PreCommit-HDFS-Build/17736/console |
| Powered by | Apache Yetus 0.4.0-SNAPSHOT   http://yetus.apache.org |


This message was automatically generated.



> 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
>         Attachments: HDFS-10917.000.patch
>
>
> 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. 



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