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Posted to issues@yunikorn.apache.org by "Craig Condit (Jira)" <ji...@apache.org> on 2022/03/08 15:19:00 UTC

[jira] [Reopened] (YUNIKORN-1106) Reduce core scheduler idle CPU usage

     [ https://issues.apache.org/jira/browse/YUNIKORN-1106?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Craig Condit reopened YUNIKORN-1106:
------------------------------------

Reopening, as it has been pointed out that we can implement this without introducing additional latency by using a non-blocking channel.

> Reduce core scheduler idle CPU usage
> ------------------------------------
>
>                 Key: YUNIKORN-1106
>                 URL: https://issues.apache.org/jira/browse/YUNIKORN-1106
>             Project: Apache YuniKorn
>          Issue Type: Improvement
>          Components: core - scheduler
>            Reporter: Craig Condit
>            Assignee: Craig Condit
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 1.0.0
>
>
> The scheduler in core currently loops continuously attempting to schedule pods. Introducing a minor sleep when no pods were schedulable can reduce CPU usage considerably.



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