高可用系统的 研发工作 • 对分布式存储系统有所涉猎 讲师介绍 祝辰 1 开篇 2 3 4 5 目 录 CONTENTS 携程的Redis架构 分布式理论 双向/多向同步的问题 CRDT 19 世纪的通讯 “At 12:30 am on April 4th, 1841 President William Henry Harrison died of pneumonia just C -> A 的问题 解决方案: • 标记数据来源 • 只转发来自应用的数据(不 转发复制过来的数据) 复制回环 client Set k v 多站点之间的数据强最终一致性 SEC ---CRDT (Strong Eventually Consistency) Whereas eventual consistency is only a liveness guarantee (updates Conflict-Free Data Types Wiki 释义 In distributed computing, a conflict-free replicated data type (CRDT) is a data structure which can be replicated across multiple computers in a network, where the replicas