达梦数据实时同步管理平台 DMHS

达梦数据实时同步软件[简称：DMHS]V4.0 达梦数据实时同步软件（DMHS）是新一代的异构数据库实时同步复制系统。该产品通过数据库日志变化来捕获增量数据变化，有效降低对业务系统带来的性能影响；目标数据库支持读写，有效解决传统备机系统仅作为后备而无法对外提供数据服务的问题。DMHS基于成熟的关系数据模型和标准接口，支持多种源端数据库（如Oracle、DB2、SqlServer、mysql、pg、达梦等），支持强大而灵活的复制拓扑结构，可广泛应用于柔性替换、容灾备份、负载均衡、数据移植、滚动升级、订阅分发、多业务中心等业务领域。每套产品默认支持2节点。Dameng Data Real-time Synchronization Software [Abbreviated as DMHS] V4.0 Dameng Data Real-time Synchronization Software (DMHS) is a new-generation heterogeneous database real-time synchronization and replication system. This product captures incremental data changes via database log updates, effectively reducing performance impact on business systems. The target database supports both read and write operations, effectively solving the problem that traditional standby systems can only serve as backups and cannot provide external data services. DMHS is based on mature relational data models and standard interfaces, supports a wide range of source databases (such as Oracle, DB2, SQL Server, MySQL, PostgreSQL, Dameng, etc.), and features powerful and flexible replication topologies. It can be widely applied in business fields including flexible replacement, disaster recovery and backup, load balancing, data migration, rolling upgrade, subscription and distribution, multi-business centers, etc. Each product supports 2 nodes by default.

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背景与挑战

背景概述

DMHS是支持多源异构数据库的实时同步系统，通过日志捕获增量数据且目标库可读写，适用于容灾备份、数据移植等多种场景。该系统默认支持2节点，具备灵活的复制拓扑结构。