MDD

Abstract

Metrics Driven Developement

Category

learning note

Authors

Walter Fan

Status

WIP as draft

Updated

2024-05-04

Ovewview

无法度量，就无法有效地管理，证明和提高

  • If you can’t measure it, you can’t manage it

  • If you can’t measure it, you can’t prove it

  • If you can’t measure it, you can’t improve it

究竟要度量度量什么

  1. Measure your work

  • Workload, progress, efficiency, etc.

  1. Measure your production

  • Health, usage, trend, KPI, etc.

  1. Measure user’s behavior

  • DAU, JMT, etc.

度量的范围

  1. Whole development lifetime 全过程

  • Design, coding, testing, deploy, etc.

  1. Whole team 整个团队

  • PM, developer, QA, Operator, etc.

  1. Whole levels 全部层次

  • Infrastructure, Platform, Application, Business

度量的层次

  • 基础设施层 Infrastructure/System metrics

  • 中间件层 Middleware metrics

  • 应用层 Application metrics

  • 业务层 Business metrics

../_images/metrics.png

度量的内容

  • Latency 耗时

  • Usage 用量

  • Errors 错误

  • Saturation 饱和度，例如 CPU, Memory 及 Disk 的使用及剩余量