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https://issues.apache.org/jira/browse/YARN-9675?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17802665#comment-17802665
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Shilun Fan commented on YARN-9675:
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Bulk update: moved all 3.4.0 non-blocker issues, please move back if it is a
blocker. Retarget 3.5.0.
> Expose log aggregation diagnostic messages through RM API
> ---------------------------------------------------------
>
> Key: YARN-9675
> URL: https://issues.apache.org/jira/browse/YARN-9675
> Project: Hadoop YARN
> Issue Type: Improvement
> Components: api, log-aggregation, resourcemanager
> Affects Versions: 3.2.0
> Reporter: Adam Antal
> Assignee: Adam Antal
> Priority: Major
>
> The ResourceManager collects the log aggregation status reports from the
> NodeManagers. Currently these reports are collected, but when app info API or
> similar high-level REST is called, only an overall status is displayed
> (RUNNING, RUNNING_WITH_FAILURES,FAILED etc.).
> The diagnostic messages are only available through the old RM web UI, so our
> internal tool currently crawls that page and extract the log aggregation
> diagnostic and error messages from the raw HTML. This is not a good practice,
> and more elegant API call may be preferable. It may be useful for others as
> well since log aggregation related failures are usually hard to debug since
> the lack of trace/debug messages.
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