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CAP+BASE
2022-08-05 05:12:00 【价值成长】
一. RDBMS: ACID
二. 分布式存储: CAP+BASE
2.1 CAP
三选二
Consistency（强一致性）
Availablility（可用性）
Partition tolerance（分区容错性）：分布式系统必须满足
CA: RDMBMS
AP: 大部分网站架构选择
CP: redis. mongodb
2.2 BASE
基本可用（Basically Available）
软状态（Soft State）
最终一致性（Eventually consistence）
分布式系统：放弃系统某一时刻一致性要求，换取系统伸缩性和性能改善。 AP
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