rs • secrets • services • loadbalancers 17 Kubernetes Default Resource Management Goals Efficiency Fairness Quotas Prioritization Isolation 18 Kubernetes built-in resource management Enforcement resource reservations (not just shares) • with governed sharing of unutilized capacity for improved efficiency • Allows maintenance with less service level disruption VM DRS Cluster VM VM VM VM VM VM VM

rs • secrets • services • loadbalancers 17 Kubernetes Default Resource Management Goals Efficiency Fairness Quotas Prioritization Isolation 18 Kubernetes built-in resource management Enforcement resource reservations (not just shares) • with governed sharing of unutilized capacity for improved efficiency • Allows maintenance with less service level disruption VM DRS Cluster VM VM VM VM VM VM VM

resources like CPU, memory, etc. are more effectively utilized in container world than in VMs. Efficiency • Automatic service discovery allows engineers to not maintain any configuration for multi-data

ECI ECI ECI ECI • Bulti-in Security • Light-Weight Virtualization • High Density • Scale and efficiency • Optimization Alinux2 for Sandbox Storage Network Computing Alibaba Cloud Sandbox Engine

scheduling to improve service stability Ø Quota management to optimize resource orchestration efficiency Ø High performance and comprehensive autoscaling What is TKEx Ø Based on TKE (Tencent Kubernetes

fair-share, job fair-share to share resource l Use task-topology to improve the spark workload efficiency. Summary p Queue priority p Queue reclaim p Queue plugin p Hierarchical queue p Dynamic resource

/年 237万/年 节约成本 COST 290人日/月 测试成本降低 运维效率提升6倍 建立CI/CD流程，将开 发、测试、运维有机串 联，SDK版本升级由30分 钟缩至5分钟 Efficiency 6 倍 提升 30 时间缩短 弹性伸缩应高峰 容器配置与数量根据业 务量秒级扩缩容，轻松 应对热点业务高峰浪涌 应业务量弹性扩缩容 占用资源减半 该项目实施后，节约一次性

dev/v1alpha1 kind: Component metadata: name: nginx annotations: version: v1.0.0 description: > Sample component schematic that describes the administrative interface for our nginx deployment. spec: dev/v1alpha1 kind: Component metadata: name: nginx annotations: version: v1.0.0 description: > Sample component schematic that describes the administrative interface for our nginx deployment. spec:

夭折 CoreOS 提出 Operator 概念，用 于管理和运行基于应用程序领 域的复杂有状态应用程序。 给出了用 TPR + controller- runtime 早期版本的 sample： etcd operator K8s 1.9 版本发布，CRD进入 beta 阶段并正式取代 TPR； controller-runtime 加入 K8s 社 区并正式发布； 自此，CRD

kubespray ~]# sudo pip install -r requirements.txt 拷⻉ inventory/sample ，命名为 inventory/mycluster ，mycluster可以改为其他你喜欢的名字 cp -r inventory/sample inventory/mycluster 使⽤inventory_builder，初始化inventory⽂件 ~]#