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          Distributed Relational Database Service DRDS

          Advantages

          Compared with the self-built distributed database, the DRDS has the following advantages

          - DRDS Self-built distributed database
          Quick deployment One-click automatic deployment, simple and fast, and no need to build a complex multi-node architecture. The manual deployment has higher requirements on architecture and technology.
          Easy to perform operations With perfect web console features, you only need to set the sub-database key for automatic table division. Manually configuring complicated SQL routing rules for the database is time- and effort-consuming.
          Auto scaling Auto and unlimited scaling ensures uninterrupted business The node preparation and data migration are complicated to operate, having a high risk of business impact.
          Stable and reliable High availability of master/slave servers, second-level failover of nodes, regular automatic backup, and automatic management of backup files The node failover is complicated and affects normal service. It is required to manage the database backup.
          Superior performance Due to the superior performance, you can create multiple read-only replicas. Also, it has the read-write separation feature. It has the self-developed read-write separation feature and allow you to achieve self-maintained data synchronization of read-only replicas.
          Technical support The Baidu AI Cloud’s DRDS professional team offers you maintenance support, and perfect operations support, as well as technical support. The user needs additional specialized technicians for development and maintenance.
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