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[FR] Default resource requirement/limits for the KFP UI and system services #5148
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Got some help from Sid Palas:
see thread https://kubeflow.slack.com/archives/CE10KS9M4/p1613655024114300 |
According to the argo documentation the memory and cpu usage for argo scales linearly with the nbr of workflows, see. So users will probably have to adjust this according if they are running heavier workloads or like to reduce costs. I would be happy to update this! /assign |
thank you @NikeNano |
/reopen |
@Bobgy: Reopened this issue. In response to this:
Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the kubernetes/test-infra repository. |
UPDATE: at the end, we decided to only add resource requirements, see discussion in #5236 (comment)
It's desirable to provide a set of default resource requirement & limits for KFP UI & system services, to make sure their QoS is
Guaranteed
by default.https://kubernetes.io/docs/tasks/configure-pod-container/quality-service-pod/
I'm not exactly sure what will be reasonable, because if they are set too low, the services may stop operating when there are workloads reaching a limit.
But setting them to make QoS Guaranteed is also important, because otherwise when there are many other workloads, KFP UI & API services may be evicted because default QoS is BestEffort and BestEffort Pods are the first to be evicted by Kubernetes when it runs out of resources.
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