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https://issues.apache.org/jira/browse/YARN-7351?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16210085#comment-16210085
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Jian He edited comment on YARN-7351 at 10/18/17 9:31 PM:
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[~billie.rinaldi], and I debugged more. In fact, the tcp channel isn't
working... usually the DNS lookup goes to the UDP channel, hence, the tcp
channel code was not tested.
I'll comment out the tcp channel code out and open a separate jira for it.
was (Author: jianhe):
Billie and I debugged more. In fact, the tcp channel isn't working... usually
the DNS lookup goes to the UDP channel, hence, the tcp channel code was not
tested.
I'll comment out the tcp channel code out and open a separate jira for it.
> 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
>
>
> 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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