[jira] [Commented] (YUNIKORN-2977) [Umbrell] DaemonSet preemption hardening

["Peter Bacsko (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/YUNIKORN-2977?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17898627#comment-17898627 ] 

Peter Bacsko commented on YUNIKORN-2977:
----------------------------------------

Note: I'm working on a repro testcase for #3. 

> [Umbrell] DaemonSet preemption hardening
> ----------------------------------------
>
>                 Key: YUNIKORN-2977
>                 URL: https://issues.apache.org/jira/browse/YUNIKORN-2977
>             Project: Apache YuniKorn
>          Issue Type: Improvement
>          Components: core - scheduler
>            Reporter: Peter Bacsko
>            Priority: Major
>
> We identified a couple of issues with DaemonSet preemption. The current implementation it's not stable.
> Notable issues:
> 1. Flooding the logs from {{tryAllocate()}} because unreservation fails
> 2. Flooding the logs if there are no victims found
> 3. Allocation is stuck if the DS pod cannot run on the target node due to predicate errors.



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