PSA: Use #K8s pod resource requests to prevent too many pods from being scheduled on the same node, resource limits to ensure containers don't use unlimited amounts of resources, and LimitRange to apply minimum and maximum requests and limits to each pod within a namespace
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+1 also my fave topic and I was even allowed to present timhis at KubeCon this year :)https://m.youtube.com/watch?v=8-apJyr2gi0 …
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We were just talking about introducing some automation around this. If a deployments request is less than X % of the limit to flag it. We have had a few Kubelets crash due to improper requests not representing reality. Would be a good admission controller.
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You can enforce this via maxLimitRequestRatio. https://kubernetes.io/docs/reference/generated/kubernetes-api/v1.11/#limitrangeitem-v1-core …
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