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From "Giovanni Matteo Fumarola (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (YARN-6634) [API] Define an API for ResourceManager WebServices
Date Wed, 31 May 2017 00:41:05 GMT

    [ https://issues.apache.org/jira/browse/YARN-6634?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16030428#comment-16030428
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Giovanni Matteo Fumarola commented on YARN-6634:
------------------------------------------------

In patch v4 I added all the missing javadoc.
I noticed that in RMWebServices most of the methods had a wrong throws in the signature.
Few examples:
* getNodes throws a NotFoundException and it was not defined;
* getAppState throws a NotFoundException and it was AuthorizationException;
* getNodeToLabels does not throws any exception and it was IOException;

[~leftnoteasy]/[~subru] can you please a look?

> [API] Define an API for ResourceManager WebServices
> ---------------------------------------------------
>
>                 Key: YARN-6634
>                 URL: https://issues.apache.org/jira/browse/YARN-6634
>             Project: Hadoop YARN
>          Issue Type: Improvement
>          Components: resourcemanager
>    Affects Versions: 2.8.0
>            Reporter: Subru Krishnan
>            Assignee: Giovanni Matteo Fumarola
>            Priority: Critical
>         Attachments: YARN-6634.proto.patch, YARN-6634.v1.patch, YARN-6634.v2.patch, YARN-6634.v3.patch,
YARN-6634.v4.patch
>
>
> The RM exposes few REST queries but there's no clear API interface defined. This makes
it painful to build either clients or extension components like Router (YARN-5412) that expose
REST interfaces themselves. This jira proposes adding a RM WebServices protocol similar to
the one we have for RPC, i.e. {{ApplicationClientProtocol}}.



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