Why memory usage is greater than what I set in Kubernetes's node?
问题 I allocated resource to 1 pod only with 650MB/30% of memory (with other built-in pods, limit memory is 69% only) However, when the pod handling process, the usage of pod is within 650MB but overall usage of node is 94%. Why does it happen because it supposed to have upper limit of 69%? Is it due to other built-in pods which did not set limit? How to prevent this as sometimes my pod with error if usage of Memory > 100%? My allocation setting ( kubectl describe nodes ): Memory usage of