xiaojunxiang created YARN-11582:
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Summary: 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
Environment: !image-2023-10-02-00-05-34-337.png!
Reporter: xiaojunxiang
Attachments: image-2023-10-02-00-05-34-337.png
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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