{
  "slug": "cache-architecture",
  "name": "缓存架构与组件选型",
  "description": "单机是否需 Redis、客户端只读写缓存(Write-Behind)、多级缓存一致性、组件选型与降级高可用",
  "tags": [
    "AOF",
    "Caffeine",
    "RDB",
    "Redis Cluster",
    "Redis取舍",
    "Redis持久化",
    "TTL",
    "TinyLFU",
    "Write-Behind",
    "写失效广播",
    "单机缓存",
    "哨兵",
    "回写式缓存",
    "多级缓存",
    "多进程共享",
    "幂等",
    "异步批量落库",
    "本地缓存",
    "熔断",
    "版本号",
    "组件选型",
    "缓存降级",
    "缓存雪崩",
    "过期随机抖动",
    "配置选择",
    "降级",
    "限流",
    "高可用"
  ],
  "difficulty_range": [
    1,
    5
  ],
  "schema_version": "1.0.0",
  "updated": "2026-09-05",
  "question_files": [
    "single_choice",
    "fill_blank",
    "short_answer",
    "code_reading"
  ],
  "stats": {
    "total": 35,
    "by_type": {
      "single_choice": 10,
      "fill_blank": 10,
      "short_answer": 10,
      "code_reading": 5
    }
  }
}