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Posted to yarn-issues@hadoop.apache.org by "Steve Loughran (JIRA)" <ji...@apache.org> on 2015/09/21 13:17:06 UTC

[jira] [Commented] (YARN-4191) Expose ApplicationMaster RPC port in ResourceManager REST endpoint

    [ https://issues.apache.org/jira/browse/YARN-4191?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14900519#comment-14900519 ] 

Steve Loughran commented on YARN-4191:
--------------------------------------

Do you mean the REST API serializing the Application Report isn't including the RPC URL?

Or that if an app chooses to register a REST endpoint as the port in the application report, the RM isn't redirecting to it?

the RM has bigger issues with REST, namely it assumes there's a user and a browser at the far end (YARN-2084 ), not an application sending PUT requests and expecting machine-parseable status codes and error text.

> 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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