--force --grace-period=0 ★scale调整replicas副本数 # kubectl scale deployment deployName --replicas=5 # kubectl scale deployment/deployName --replicas=5 # kubectl scale statefulset/nginx-statefulset set --replicas=3 #scale命令调整的副本数会写入相应的dep/sts配置清单中 ★第8章、Service和Ingress ★创建Service ①ClusterIP类型 # vi mynginx-svc.yml #内容如下 apiVersion: v1 kind: Service #创建service资源 metadata:

Text(master=window) txt_edit.grid(row=0, column=1, sticky="nsew") window.mainloop() 显示效果： ★Scale滑动条 Scale滑动条用于设置/获取指定范围的数值。 import tkinter window = tkinter.Tk() # 创建窗口对象 window.geometry("480x320") # 设置窗口大小，宽x高 def drag_cb(val): str_1 = "当前数值为: " + val label.config(text=str_1) scale = tkinter.Scale(window, from_=1, to=100, resolution=1, command=drag_cb, orient="horizontal", showvalue=1, resolution=1 表示步长为1，滑动间隔为1 # showvalue=1 表示在滑轨上显示当前数值 # length=200 表示整个滑轨长度 # sliderlength=50 滑块的长度 scale.pack() label = tkinter.Label(window) label.pack() window.mainloop() 显示效果： ★Treeview表格/树状结构

Implementing agile practices at enterprise scale Synchronizes alignment, collaboration and delivery for large numbers teams Core values:  Code quality - can't scale crappy code  Program execution  Alignment

Need to evolve based upon new constraints, goals, and functionality iii. What works at scale 1X rarely works at scale 10X or 100X d. USE THE STRANGLER APPLICATION PATTERN TO SAFELY EVOLVE OUR ENTERPRISE

club. Book List  Scaling Lean & Agile Development: Thinking & Organizational Tools for Large-Scale Scrum, Craig Larman  Continuous Delivery: Reliable Software Releases through Build, Test, and Deployment

DAYS TO REHEARSE FAILURES i. Game Days – exercise designed to increase resilience through large-scale fault injection across critical systems ii. Simulate and rehearse accidents for practice 1. Schedule