https://www.plbear.com/tags/sql%E4%BC%98%E5%8C%96/Recent content in SQL优化 on Plbear | Cuz Penguin QQHugozh-cnWed, 20 Apr 2022 14:00:00 +0800https://www.plbear.com/posts/2022-04-20-multi-account-performance/Wed, 20 Apr 2022 14:00:00 +0800https://www.plbear.com/posts/2022-04-20-multi-account-performance/分账号系统性能优化的完整实践，从慢 SQL 排查、索引优化到多级缓存策略，接口响应时间从 800ms 降到 80ms，数据库压力降低 60%。