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MySQL主从同步延迟解决方案
2022-07-23 14:59:00 【抓手】
- 如果业务只需要保证数据的最终一致性,系统不优化。
- 如果业务需要保证数据的强一致性,强制读主,高可用主库,用缓存提高读性能。
- 在cache里记录哪些记录发生过写请求,来路由读主还是读从。
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