2️⃣天机学堂Day02-Day05复盘-课表|计划|进度|问答业务复盘笔记接口幂等性（数据库唯一约束）；分库分表的主键id（雪花/Redis）；高并发写优化（MQ改异步写/Redis合并写请求）；RabbitMQ；SpringTask单机定时任务；@PostConstruct生命周期Hook；Spring Data Redis逆天API；定时任务持久化播放记录；区分Spring与Swagger的@RequestBody注解；Interface常量类；Delayed单机延迟任务；Caffeine本地缓存；自动装配2024-11-3 复盘 项目 开发
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