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文档中心 TDSQL-C MySQL 版白皮书安全白皮书数据容灾

数据容灾

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TDSQL-C MySQL 版提供数据容灾能力，针对业务连续服务、数据可靠性有强需求或是监管需要的场景，TDSQL-C MySQL 版提供跨可用区容灾解决方案，帮助用户以较低成本提升业务连续服务的能力，同时提升数据的可靠性。
同城容灾
TDSQL-C MySQL 版支持多可用区部署，多可用区部署方式将物理服务器部署在同一地域的不同可用区，当一个可用区故障时，业务流量可以在短时间内快速切换到另一个可用区，整个切换过程对业务透明，应用层面无需变更，进而实现同城容灾的能力。
功能使用请参见 设置多可用区部署。

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