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https://issues.apache.org/jira/browse/YARN-7351?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16211453#comment-16211453
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Hadoop QA commented on YARN-7351:
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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} docker {color} | {color:red}  0m 
10s{color} | {color:red} Docker failed to build yetus/hadoop:0de40f0. {color} |
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|| Subsystem || Report/Notes ||
| JIRA Issue | YARN-7351 |
| JIRA Patch URL | 
https://issues.apache.org/jira/secure/attachment/12892911/YARN-7351.yarn-native-services.03.patch
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| Console output | 
https://builds.apache.org/job/PreCommit-YARN-Build/18033/console |
| Powered by | Apache Yetus 0.6.0-SNAPSHOT   http://yetus.apache.org |


This message was automatically generated.



> High CPU usage issue in RegistryDNS
> -----------------------------------
>
>                 Key: YARN-7351
>                 URL: https://issues.apache.org/jira/browse/YARN-7351
>             Project: Hadoop YARN
>          Issue Type: Sub-task
>            Reporter: Jian He
>            Assignee: Jian He
>         Attachments: YARN-7351.yarn-native-services.01.patch, 
> YARN-7351.yarn-native-services.02.patch, 
> YARN-7351.yarn-native-services.03.patch
>
>
> Thanks [~aw] for finding this issue.
> The current RegistryDNS implementation is always running on high CPU and 
> pretty much eats one core. 



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