PolarDB MySQL 支持全局一致性（强一致性）

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        pc

0.0.201

新功能/规格

PolarDB MySQL 支持全局一致性（强一致性）

Mar 03 2020

用户可以设置集群地址为全局一致性，确保即使在主备复制延迟的情况下，100%可以查到最新数据

适用客户

微服务架构、SaaS类应用，对跨Session的一致性有要求的客户，复制延迟高时不适用

新增功能/规格

可以通过设置集群地址的高级配置，来控制应用访问的一致性级别。目前提供了最终一致性、会话一致性和全局一致性，一致性级别越来越高，但性能会越来越低。读写地址默认内采用会话一致性，具备均衡的性能表现，推荐使用。特殊情况下，可选择使用全局一致性。

阿里云第七代ECS正式发售

整体算力提升40%，芯片级安全防护。
搭载第三代英特尔®至强®可扩展处理器（代号"IceLake")。

开始使用

销售支持

1对1售前咨询

在线咨询联系销售人员
售后支持计划

24/7 技术支持每季度 6 个免费工单更快的服务响应时间

创建工单
阿里云为客户提供专业、灵活的支持服务，以满足您多样化的业务需求。

了解更多

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