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https://issues.apache.org/jira/browse/YARN-4191?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14901135#comment-14901135
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Steve Loughran commented on YARN-4191:
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if there's no RPC port in REST status reports, yes , its a bug. Samza's use of
a REST API without going via the proxy is a security risk, but it's not
anything YARN can do to stop
> Expose ApplicationMaster RPC port in ResourceManager REST endpoint
> ------------------------------------------------------------------
>
> Key: YARN-4191
> URL: https://issues.apache.org/jira/browse/YARN-4191
> Project: Hadoop YARN
> Issue Type: Improvement
> Components: resourcemanager
> Affects Versions: 2.7.1
> Reporter: Richard Lee
> Priority: Minor
>
> Currently, the ResourceManager REST endpoint returns only the trackingUrl for
> the ApplicationMaster. Some AMs, however, have their REST endpoints on the
> RPC port. However, the RM does not expose the AM RPC port via REST for some
> reason.
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