[汇总]Redis经验

by leelight · Published April 3, 2020 · Updated December 15, 2022

追求绝对一致性的业务场景，不适合引入缓存。但是，通过一些方案优化处理，是可以保证弱一致性，最终一致性的。

无并发情况:

a. 消息队列+异步重试 无论使用哪一种执行时序，可以将……求写入消息队列…… 使用重试策略，对失败操作进行“补偿”。

b. 订阅Binlog变更日志

高并发情况: ……

Redis 到底是怎么实现“附近的人”这个功能的？
自Redis 3.2开始，Redis基于geohash和有序集合提供了地理位置相关功能。

redis的高级特性：bit位操作。SETBIT key offset value

Redis提供了一种Pipeline（管道）方法可以改善上述用例的性能。为什么pipeline只能作用在一个Redis节点上，即集群模式下不能使用pipeline?

@Transactional 与redistemplate.setEnableTransactionSupport()的冲突

Cookie	Duration	Description
cookielawinfo-checkbox-analytics	11 months	This cookie is set by GDPR Cookie Consent plugin. The cookie is used to store the user consent for the cookies in the category "Analytics".
cookielawinfo-checkbox-functional	11 months	The cookie is set by GDPR cookie consent to record the user consent for the cookies in the category "Functional".
cookielawinfo-checkbox-necessary	11 months	This cookie is set by GDPR Cookie Consent plugin. The cookies is used to store the user consent for the cookies in the category "Necessary".
cookielawinfo-checkbox-others	11 months	This cookie is set by GDPR Cookie Consent plugin. The cookie is used to store the user consent for the cookies in the category "Other.
cookielawinfo-checkbox-performance	11 months	This cookie is set by GDPR Cookie Consent plugin. The cookie is used to store the user consent for the cookies in the category "Performance".
viewed_cookie_policy	11 months	The cookie is set by the GDPR Cookie Consent plugin and is used to store whether or not user has consented to the use of cookies. It does not store any personal data.