Life of a Packet in Kubernetes - Calico网络进阶(注解版)
As we discussed in Part 1, CNI plugins play an essential role in Kubernetes networking. There are many third-party CNI plugins available today; Calico is one of them. Many engineers prefer Calico; one of the main reasons is its ease of use and how it shapes the network fabric.
Android面试题之App的启动流程和启动速度优化
App启动流程概括:
当用户点击App图标,Launcher通过Binder IPC请求system_server启动Activity。system_server指示Zygote fork新进程,接着App进程向system_server申请启动Activity。经过Binder通信,Activity创建并回调生命周期方法。启动状态分为冷启动、温启动和热启动,其中冷启动耗时最长。优化技巧包括异步初始化、避免主线程I/O、类加载优化和简化布局。
硬核干货:6000字 30张图,带你彻底搞懂BGP动态路由!
BGP在数通这块还是比较难的,本文差不多写了5000多字,但是也只是粗略的概括了BGP的技术点,适合大家收藏去入门理解和归纳,对于详细的介绍,还希望大家去好好读读思科的书,彻底理解BGP这个协议,读英文版有困难的童鞋可以去看看华为的文档,或者H3C的文档,看起来稍微轻松点,不过还是建议读思科的书。
Android 组件化指南
随着项目逐渐扩展,业务功能越来越多,代码量越来越多,开发人员数量也越来越多。此过程中,你是否有过以下烦恼?