[jira] [Commented] (FLINK-38101) Support SI Format for CPU resources

["Gyula Fora (Jira)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/FLINK-38101?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18005549#comment-18005549 ] 

Gyula Fora commented on FLINK-38101:
------------------------------------

This is related to / subset of https://issues.apache.org/jira/browse/FLINK-33548 I think

> Support SI Format for CPU resources
> -----------------------------------
>
>                 Key: FLINK-38101
>                 URL: https://issues.apache.org/jira/browse/FLINK-38101
>             Project: Flink
>          Issue Type: Improvement
>          Components: Kubernetes Operator
>            Reporter: Santwana Verma
>            Priority: Major
>
> The Kubernetes API (for example, {{{}Pod.spec.containers.resources.limits.cpu{}}}) generally supports fractional cores in _both_ of these ways:
>  * As a SI-format string (e.g. “500m” is 500 millicores = 0.5 cores)
>  * As a decimal-format string (e.g. “0.5” is 0.5 cores, i.e., same value)
> I.e., Kubernetes resource API calls can use either format, and the Kubernetes API will _store_ the configuration in the SI-format (“500m”).
> But FKO doesn't support the SI-Format (Relevant code is [here|https://github.com/apache/flink-kubernetes-operator/blob/5b3856b9a781b508641ee9d901625953d8f15bf0/flink-kubernetes-operator-api/src/main/java/org/apache/flink/kubernetes/operator/api/spec/Resource.java#L35]). 
> The more K8s native way would be to have it act as a pass through to the K8s. This will allow customers to have a seamless experience.
>  



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