K8S 资源规划

1. 为系统守护进程预留计算资源，Kubelet Flag:
   • Kube 预留值 –kube-reserved 和 –kube-reserved-cgroup
   • 系统预留值 –system-reserved 和 –system-reserved-cgroup
   • 预留 CPU –reserved-cpus
   • 驱逐阈值 –eviction-hard
2. Namespace ResourceQuota
3. Container resource limit request