Bi-Directional Multi-Master Replication (BDR) extension for PostgreSQL, enabling multi-master database synchronization.
BDR (Bi-Directional Replication) is a PostgreSQL extension that provides multi-master replication capabilities, allowing multiple PostgreSQL databases to synchronize data bidirectionally. It enables distributed database architectures where writes can occur on any node while maintaining consistency across the cluster.
Database administrators and developers building distributed PostgreSQL architectures that require simultaneous write capabilities across multiple database nodes.
Developers choose BDR over alternatives because it provides native PostgreSQL multi-master replication with built-in conflict detection and resolution, enabling true bi-directional synchronization without requiring external middleware.
Bi-Directional Multi-Master Replication (BDR) for PostgreSQL, deprecated, please visit 2ndQuadrant website for latest BDR3
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Seamlessly extends PostgreSQL as an extension, leveraging PostgreSQL's existing architecture and tooling without requiring external middleware or complex setups.
Enables simultaneous writes to multiple database nodes with built-in conflict detection and resolution, supporting true bi-directional synchronization for distributed architectures.
Facilitates geographically distributed clusters with local write access, improving scalability and high availability by allowing writes on any node.
The GitHub repository explicitly states BDR1 is deprecated, directing users to a commercial site, which raises concerns about ongoing open-source support, stability, and potential migration headaches.
Setting up multi-master replication requires in-depth PostgreSQL expertise and careful planning to manage conflicts, network latency, and data consistency, increasing operational overhead.
Tied to 2ndQuadrant's commercial offerings, which may limit community-driven development, third-party integrations, and flexibility compared to more widely adopted replication solutions.