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https://issues.apache.org/jira/browse/YARN-11582?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17831827#comment-17831827
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wangzhihui commented on YARN-11582:
-----------------------------------
hi, [~slfan1989] This [PR|https://github.com/apache/hadoop/pull/6139] has
added valid Test content and passed the latest Jenkins check; please help merge
it. Thanks!
> Improve WebUI diagnosticMessage to show AM Container resource request size
> --------------------------------------------------------------------------
>
> Key: YARN-11582
> URL: https://issues.apache.org/jira/browse/YARN-11582
> Project: Hadoop YARN
> Issue Type: Improvement
> Components: applications, resourcemanager
> Affects Versions: 3.3.4
> Reporter: xiaojunxiang
> Priority: Minor
> Labels: pull-request-available
> Attachments: image-2023-10-02-00-05-34-337.png,
> image-2024-03-28-22-11-37-903.png, success_ShowAMInfo.jpg
>
>
> When Yarn resources are insufficient, the newly submitted job AM may be in
> the state of "Application is Activated, waiting for resources to be assigned
> for AM". This is obviously because Yarn doesn't have enough resources to
> allocate another AM Container, so we want to know how large the AM Container
> is currently allocated. Unfortunately, the current diagnosticMessage on the
> Web page does not show this data. Therefore, it is necessary to add the
> resource size of the AM Container in the diagnosticMessage, which will be
> very useful for us to troubleshoise the production faults on line.
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