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https://issues.apache.org/jira/browse/YARN-2408?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14541251#comment-14541251
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Renan DelValle commented on YARN-2408:
--------------------------------------
[~leftnoteasy],
Just uploaded a new patch. Depending on the Hadoop QA results, it'd be great if
you could take a look at it and let me know what you think.
Thanks,
-Renan
> Resource Request REST API for YARN
> ----------------------------------
>
> Key: YARN-2408
> URL: https://issues.apache.org/jira/browse/YARN-2408
> Project: Hadoop YARN
> Issue Type: New Feature
> Components: webapp
> Reporter: Renan DelValle
> Labels: features
> Attachments: YARN-2408-5.patch
>
>
> I’m proposing a new REST API for YARN which exposes a snapshot of the
> Resource Requests that exist inside of the Scheduler. My motivation behind
> this new feature is to allow external software to monitor the amount of
> resources being requested to gain more insightful information into cluster
> usage than is already provided. The API can also be used by external software
> to detect a starved application and alert the appropriate users and/or sys
> admin so that the problem may be remedied.
> Here is the proposed API (a JSON counterpart is also available):
> {code:xml}
> <resourceRequests>
> <MB>7680</MB>
> <VCores>7</VCores>
> <appMaster>
> <applicationId>application_1412191664217_0001</applicationId>
>
> <applicationAttemptId>appattempt_1412191664217_0001_000001</applicationAttemptId>
> <queueName>default</queueName>
> <totalMB>6144</totalMB>
> <totalVCores>6</totalVCores>
> <numResourceRequests>3</numResourceRequests>
> <requests>
> <request>
> <MB>1024</MB>
> <VCores>1</VCores>
> <numContainers>6</numContainers>
> <relaxLocality>true</relaxLocality>
> <priority>20</priority>
> <resourceNames>
> <resourceName>localMachine</resourceName>
> <resourceName>/default-rack</resourceName>
> <resourceName>*</resourceName>
> </resourceNames>
> </request>
> </requests>
> </appMaster>
> <appMaster>
> ...
> </appMaster>
> </resourceRequests>
> {code}
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