I'm trying to tune the resources for coredns add-on in EKS (installed the add-on via aws) by running kubectl edit deployment coredns and then editing the memory limit and request in the yaml file. the change applies for a couple of minutes but then it reverts by itself for no apparent reason. docs in aws don't show a way to edit those configurations from the add-on manager itself.
is there anything I'm missing? i've noticed the annotation for kubectl.kubernetes.io/last-applied-configuration always stays with the previous attributes no matter what i do so this may be a hint?
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aws eks delete-addon --cluster-name my-cluster --addon-name coredns --preserveon my cluster, the memory stopped reverting to the original value after that but now i can't manage this deployment with aws so this is not a good solution for me - ConscriptMR