k3s server memory grows steadily: separating a real leak from cache and containerd
k3s ships the control plane, kubelet, containerd, flannel, CoreDNS and ServiceLB as a single binary per node. When the k3s server process shows steady RSS growth on a node with otherwise stable workloads, node-level metrics alone cannot say whether that growth is a genuine leak in one embedded component, page cache accounted to the process, or containerd ima