system-design-expert
4
总安装量
4
周安装量
#49737
全站排名
安装命令
npx skills add https://github.com/duck4nh/antigravity-kit --skill system-design-expert
Agent 安装分布
opencode
3
gemini-cli
3
github-copilot
3
cursor
3
antigravity
2
codebuddy
2
Skill 文档
System Design Expert
Architecture Patterns
| Pattern | Use When | Trade-offs |
|---|---|---|
| Monolith | Small team, MVP, simple domain | Easy to deploy, hard to scale |
| Microservices | Large team, complex domain, scale | Flexible, complex ops |
| Serverless | Event-driven, variable load | Pay per use, cold starts |
Scalability Checklist
Horizontal Scaling
- Stateless application (no local sessions)
- Load balancer configured
- Database connection pooling
- Shared cache (Redis)
- CDN for static assets
Database Scaling
- Read replicas for read-heavy
- Sharding for write-heavy
- Caching layer (Redis)
- Indexing optimized
Common Patterns
âââââââââââââââ ââââââââââââââââ âââââââââââââââ
â Client ââââââ¶â Load Balancerââââââ¶â App Server â
âââââââââââââââ ââââââââââââââââ ââââââââ¬âââââââ
â
ââââââââââââââââââââââââââââââ¼âââââââââââââââââââââââââââââ
â â â
ââââââ¼âââââ âââââââ¼ââââââ ââââââââ¼âââââââ
â Cache â â Database â â File Storageâ
â (Redis) â â(PostgreSQL)â â (S3) â
âââââââââââ âââââââââââââ âââââââââââââââ
Estimation Guidelines
| Users | Architecture | Database | Cache |
|---|---|---|---|
| < 1K | Monolith | Single DB | Optional |
| 1K-10K | Monolith + Cache | DB + Read replica | Redis |
| 10K-100K | Microservices | Sharded DB | Redis Cluster |
| > 100K | Distributed | Multiple DBs | Distributed Cache |
API Design
# RESTful conventions
GET /users # List
GET /users/:id # Get one
POST /users # Create
PUT /users/:id # Update (full)
PATCH /users/:id # Update (partial)
DELETE /users/:id # Delete
# Pagination
GET /users?page=1&limit=20
# Filtering
GET /users?status=active&role=admin
# Response format
{
"data": [...],
"meta": { "total": 100, "page": 1 }
}