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SebastianLuser/claude-code-arcane32026年10月27日 更新
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caching-strategy
Multi-layer caching: HTTP, CDN, Redis, in-memory, browser. Invalidation, TTLs, stampede protection.
中文简介正在准备中。当前显示原文说明。
SebastianLuser/claude-code-arcane星标 3(GitHub 3 + cccskills 0)
集成工具Redis
实测评分 未实测
查看安装方法包含的文件（5）
- SKILL.md2.9 KB
- references/http-headers.md348 B
- references/patterns-and-invalidation.md1.1 KB
- references/redis-and-client.md503 B
- references/ttl-defaults.md323 B
SKILL.md（原文）
安装前可以查看交给 AI 代理的指令内容。
caching-strategy — Multi-Layer Caching
Regla 0: antes de cachear, medí. Cachear sin profiling esconde problemas.
Cuándo usar / NO usar
| Usar | NO usar |
|---|---|
| Hot path lectura >> escritura | Write-heavy con lectura impredecible |
| Query cara sin índices posibles | Info financiera/regulatoria (staleness = daño legal) |
| Respuesta inmutable o slow-changing | Parche de query mal diseñada (arreglá la query) |
| Alivio DB bajo carga | Prematuramente (primero índices) |
Capas
Browser/RN → CDN → API Gateway → App in-memory (LRU) → Redis → Database
Cada capa: TTL distinto, invalidation distinta. Más cerca del usuario = más caché pero más difícil invalidar.
Qué cachear dónde
| Dato | Cache |
|---|---|
| Assets estáticos (JS, CSS, img) | CDN + browser (immutable + versioned URLs) |
| API responses públicas | CDN + Redis |
| API responses por-user | Redis + cliente |
| Session/token, rate limit counters | Redis |
| Traducciones / config | In-memory warm on boot |
| DB query resultado | Redis (cache-aside) |
HTTP Caching Headers
→ Read references/http-headers.md for header values and ETag usage
Patterns, Invalidation & Stampede Protection
→ Read references/patterns-and-invalidation.md for cache-aside/write-through/read-through patterns, invalidation strategies, and stampede protection
TTL Defaults
→ Read references/ttl-defaults.md for recommended TTLs by data type
Redis & Client-Side
→ Read references/redis-and-client.md for Redis cluster config, key naming, and React/RN client caching
Anti-patterns
- Cachear sin medir, TTL infinito sin invalidation, cachear PII sin
no-store - Cachear errores (404/500), cache que falla → app cae (cache debe ser opcional)
KEYS *en Redis prod (usar SCAN), cache sin namespace, per-user en CDN sin Vary- Sin métricas de hit rate
Observabilidad
- Métricas:
cache_hits/misses_total,cache_latency_seconds,cache_evictions_total - Hit rate target: hot >90%, warm >70%. Hit rate <50% sostenido = cache no vale
- Alertas: evictions creciente, latency p99 >10ms, hit rate cae súbitamente
Checklist
- Profiling justifica el cache
- Capa correcta elegida (browser/CDN/Redis/memoria)
- TTL razonado con trade-off staleness vs carga
- Invalidation strategy clara
- Stampede protection si hot path
- Cache opcional — app funciona si Redis down
- Headers HTTP correctos (
privatepara PII,Vary) - Key naming consistente + namespace
- Métricas: hits/misses/latency/evictions
- No cacheamos errores
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