Model and Operate Datacenter by Kubernetes at eBay 辛肖刚, Cloud Engineering Manager, ebay 梅岑恺, Senior Operation Manager, ebay Agenda About ebay Our fleet Kubernetes makes magic at ebay Model + Controller Controller How we model our datacenter Operation in large scale Q&A About ebay 177M Active buyers worldwide $22.7B Amount of eBay Inc. GMV $2.6B Reported revenue 62% International revenue 1.1B Kubernetes Onboard Provision Configuration Kubernetes You need onboard something from nothing! Let’s model a datacenter running Kubernetes Onboard Provision Configuration Kubernetes After you define your

The Future of Cloud Native Applications with Open Application Model (OAM) and Dapr @markrussinovich Application models Describes the topology of your application and its components The way developers services and data stores Programming models Distributed Application Runtime (Dapr) Open Application Model (OAM) https://oam.dev State of Cloud Native Application Platforms Kubernetes for applications of concerns Application focused Application focused Container infrastructure Open Application Model Service Job Namespace Secret Volume Endpoint ConfigMap VolumeAttach CronJob Deployment

49 4.3.1 Model 类 API . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49 4.3.2 Model 的实用属性 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 49 4.3.3 Model 类模型方法 . . . . . . . . . . . . . . . 239 20.8 plot_model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 239 20.9 multi_gpu_model . . . . . . . . . . . . . . . . . . . . . . Keras 的核心数据结构是 model，一种组织网络层的方式。最简单的模型是 Sequential 顺 序模型，它是由多个网络层线性堆叠的栈。对于更复杂的结构，你应该使用 Keras 函数式 API， 它允许构建任意的神经网络图。 Sequential 顺序模型如下所示： from keras.models import Sequential model = Sequential()

Hardware-accelerated graphics . . . . . . . . . . . . . . . . . . . . . . . . . . . 67 4.4.1 Hardware 3D acceleration (OpenGL and Direct3D 8/9) . . . . . . . . . 67 4.4.2 Hardware 2D video acceleration for Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 193 13.3.1 The Security Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 193 13.3.2 Secure Configuration of Virtual Hardware vs. software virtualization, page 169. • Guest Additions: shared folders, seamless windows, 3D virtualization. The VirtualBox Guest Additions are software packages which can be installed inside

Hardware-accelerated graphics . . . . . . . . . . . . . . . . . . . . . . . . . . . 72 4.4.1 Hardware 3D acceleration (OpenGL and Direct3D 8/9) . . . . . . . . . 72 4.4.2 Hardware 2D video acceleration for Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 220 13.3.1 The Security Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 220 13.3.2 Secure Configuration of Virtual Hardware vs. software virtualization, page 196. • Guest Additions: shared folders, seamless windows, 3D virtualization. The VirtualBox Guest Additions are software packages which can be installed inside

Hardware-accelerated graphics . . . . . . . . . . . . . . . . . . . . . . . . . . . 71 4.4.1 Hardware 3D acceleration (OpenGL and Direct3D 8/9) . . . . . . . . . 71 4.4.2 Hardware 2D video acceleration for Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 216 13.3.1 The Security Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 216 13.3.2 Secure Configuration of Virtual Hardware vs. software virtualization, page 192. • Guest Additions: shared folders, seamless windows, 3D virtualization. The VirtualBox Guest Additions are software packages which can be installed inside

Hardware-accelerated graphics . . . . . . . . . . . . . . . . . . . . . . . . . . . 71 4.4.1 Hardware 3D acceleration (OpenGL and Direct3D 8/9) . . . . . . . . . 71 4.4.2 Hardware 2D video acceleration for Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 216 13.3.1 The Security Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 216 13.3.2 Secure Configuration of Virtual Hardware vs. software virtualization, page 192. • Guest Additions: shared folders, seamless windows, 3D virtualization. The VirtualBox Guest Additions are software packages which can be installed inside

Hardware-accelerated graphics . . . . . . . . . . . . . . . . . . . . . . . . . . . 71 4.4.1 Hardware 3D acceleration (OpenGL and Direct3D 8/9) . . . . . . . . . 71 4.4.2 Hardware 2D video acceleration for Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 216 13.3.1 The Security Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 216 13.3.2 Secure Configuration of Virtual Hardware vs. software virtualization, page 192. • Guest Additions: shared folders, seamless windows, 3D virtualization. The VirtualBox Guest Additions are software packages which can be installed inside

Hardware-accelerated graphics . . . . . . . . . . . . . . . . . . . . . . . . . . . 71 4.4.1 Hardware 3D acceleration (OpenGL and Direct3D 8/9) . . . . . . . . . 71 4.4.2 Hardware 2D video acceleration for Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 216 13.3.1 The Security Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 216 13.3.2 Secure Configuration of Virtual Hardware vs. software virtualization, page 192. • Guest Additions: shared folders, seamless windows, 3D virtualization. The VirtualBox Guest Additions are software packages which can be installed inside

Hardware-accelerated graphics . . . . . . . . . . . . . . . . . . . . . . . . . . . 73 4.4.1 Hardware 3D acceleration (OpenGL and Direct3D 8/9) . . . . . . . . . 73 4.4.2 Hardware 2D video acceleration for Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 228 13.3.1 The Security Model . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 228 13.3.2 Secure Configuration of Virtual Hardware vs. software virtualization, page 202. • Guest Additions: shared folders, seamless windows, 3D virtualization. The VirtualBox Guest Additions are software packages which can be installed inside