DDM

分布式数据库中间件 DDM

专注于解决数据库分布式扩展问题，突破传统数据库的容量和性能瓶颈

分库分表

支持hash和range两种拆分类型，包含多种拆分算法，轻松分库分表

弹性扩容

分层架构确保计算、存储都可线性扩展，完美解决单机数据库水平扩展瓶颈

读写分离

充分利用数据节点（RDS for MySQL）的只读能力，业务零改造，亚秒级数据延迟

可视化运维

支持DBA在线管理逻辑库，可根据监控和日志，自定义设置数据库引擎参数

多种实例类型，满足不同规模和行业诉求

进阶版
至尊版

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为什么选择 DDM

相比传统单机数据库，华为云分布式数据库中间件DDM专注解决海量存储、高并发吞吐、大表瓶颈以及复杂计算效率等数据库瓶颈问题

稳定可靠、高度可扩展的关系型分布式数据库

稳定可靠：DDM将数据分散到N个数据节点（RDS for MySQL）存储，每个数据节点都能承担合适的数据存储和计算负载，将故障影响面降至1/N，达到稳定可靠的效果，支撑业务爆发式增长
线性扩展：DDM采用存储计算分离架构，支持计算层、存储层在线增加资源，存储层可以通过增加分片数或者数据节点数来解决单表数据量过多或者容量瓶颈等问题，打消客户在业务快速发展过程中针对数据库扩展性产生的运维压力