[jira] [Resolved] (YUNIKORN-2930) Enhance Metrics for Scheduling Cycle Latency

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

     [ https://issues.apache.org/jira/browse/YUNIKORN-2930?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Peter Bacsko resolved YUNIKORN-2930.
------------------------------------
    Resolution: Fixed

> Enhance Metrics for Scheduling Cycle Latency
> --------------------------------------------
>
>                 Key: YUNIKORN-2930
>                 URL: https://issues.apache.org/jira/browse/YUNIKORN-2930
>             Project: Apache YuniKorn
>          Issue Type: Improvement
>          Components: core - scheduler
>            Reporter: Mit Desai
>            Assignee: Kaichia Chen
>            Priority: Major
>              Labels: pull-request-available
>             Fix For: 1.7.0
>
>
> Update scheduler metrics to provide a comprehensive view of scheduling cycle latency, including cycles where no pods were scheduled and more granular details on node evaluation times.
> The current metrics for the scheduler do not provide a complete picture. Specifically:
>  * {*}Scheduling Latency{*}: Only shows the latency for pods that were scheduled. If no pod was scheduled in a cycle, the latency metric is not emitted.
>  * {*}tryNodeLatency{*}: Shows the time taken to evaluate a single node, but does not capture the total time taken to find a node for a pod.
> To improve the metrics we should add additional metrics:
>  # {*}Scheduling Cycle Metric{*}: Emit a metric for each scheduling cycle, regardless of whether a pod was scheduled. This metric will show the total time taken for each scheduling cycle.
>  # {*}Node Evaluation Metric{*}: Add a new metric that shows the total time taken to find a node for a given pod. For instance, if a pod was scheduled after evaluating five nodes, this new metric will be the sum of the times for those five nodes.



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