数据库与存储
mongodb-schema-caching
更新于 2026-09-02
MongoDB · 缓存规则
Caching rules for MongoDB: explicit invalidation owners, versioned keys and stampede protection.
- 技术栈
- MongoDB
- 主题
- 缓存
- 条目
- 9 条
- 版本
- v0.2.0
✓ 应当这么做
- ✓ Name the invalidation owner for every cache entry
- ✓ Version cache keys so a deploy can invalidate without a purge
- ✓ Protect against stampedes with single-flight or jittered expiry
✕ 常见反模式
- ✕ Caching data whose correctness depends on user-specific authorisation without scoping the key
- ✕ Infinite TTLs with no owner
- ✕ Treating the cache as durable storage
◎ 交付前验证
- ◎ EXPLAIN on the hot queries shows no sequential scan regression
- ◎ Migration rehearsed on a production-size snapshot
- ◎ Rollback path executed at least once in staging
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