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https://issues.apache.org/jira/browse/YUNIKORN-2322?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17805835#comment-17805835
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Rainie Li commented on YUNIKORN-2322:
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Thanks [~pbacsko] for providing info.
We are not seeing "queue update failed unexpectedly" messages.
In our case, we see YuniKorn service latency kept high for a while (pls refer
to latest screenshot) and it cannot schedule any apps even cluster has
resource, we suspect service is hang for some reason.
> Investigate YuniKorn stuck when scheduling latency is high
> ----------------------------------------------------------
>
> Key: YUNIKORN-2322
> URL: https://issues.apache.org/jira/browse/YUNIKORN-2322
> Project: Apache YuniKorn
> Issue Type: Task
> Components: core - common
> Reporter: Rainie Li
> Assignee: Rainie Li
> Priority: Major
> Attachments: Screenshot 2024-01-10 at 4.31.52 PM.png, Screenshot
> 2024-01-10 at 4.33.40 PM.png, Screenshot 2024-01-11 at 3.40.48 PM-1.png,
> Screenshot 2024-01-11 at 3.40.48 PM.png
>
>
> We are seeing service stuck when latency increases, even cluster has
> resource, YuniKorn will not be able to schedule apps. We have to manually
> restart YuniKorn.
> we did profiling to find out most time are used by *tryReservedAllocate.*
> Attached ** profiling screenshot and service latency data.
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