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OpenAI架构大揭秘:一台PostgreSQL撑起了8亿用户
他们遇到的故障往往遵循同一个模式:上游某个问题导致数据库负载突然飙升,可能是缓存层故障导致的大规模缓存未命中,可能是昂贵的多表 JOIN 查询吃满了 CPU,也可能是新功能上线引发的写入风暴。
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