资深工程师设计评审套件
开展严谨的设计评审:系统设计文档、容量估算、技术设计、ADR、技术选型、TCO、评审清单、ATAM、FMEA 与上线准备。
方法与模式
System Design Document Template
完整System design at scale – requirements, capacity estimates (KaTeX), API, data model, HLD, deep dives, reliability, cost, trade-offs
Back-of-Envelope Estimation and Capacity Model Template
完整Reference latency and unit tables, assumptions register, QPS, storage, bandwidth, cache, server and cost formulas, worked example, sensitivity, traceability
Jeff Dean latency numbers (LADIS 2009)Technical Design Document Template
完整In-depth design doc – context, goals and non-goals, APIs, data, flows, alternatives matrix, cross-cutting concerns, testing, rollout, cost
决策
Architecture Decision Record Template (Tyree-Akerman, Y-Statement)
标准Detailed ADR – Tyree & Akerman fields (assumptions, constraints, positions, argument, implications, related items) plus Y-statement
Tyree & Akerman decision template; Y-statement (Zimmermann)Technology Selection and Build vs Buy Template
标准Build, buy, open source or managed service evaluation with weighted decision matrix, PoC results, risks, cost and decision
Total Cost of Ownership (TCO) Analysis Template
标准Multi-year TCO comparison of options by cost category, with NPV discounting, sensitivity, break-even and recommendation
验证
System Design Review Checklist and Scoring Rubric Template
完整Design review checklist in 13 areas, evidence-based scoring rubric, weighted score, red flags, findings register, decision record, 45-minute interview rubric
Architecture Evaluation Report Template (ATAM)
完整ATAM evaluation report – business drivers, approaches, utility tree, voted scenarios, sensitivity and trade-off points, risks, risk themes
SEI ATAMArchitecture Review Board Request Template
标准ARB submission: context, scope, proposed architecture, alternatives, principles compliance, risk flags, decisions and outcome
Software FMEA Template (IEC 60812)
完整Software failure modes, effects, causes, controls, S/O/D scales, RPN and action priority, actions and re-scoring
IEC 60812:2018Production Readiness Review Template
完整Production readiness review: SLOs, load test evidence, observability, on-call, rollback, backups, security, failure modes, sign-off
Google SRE PRR conventions