Severalnines Blog

PostgreSQL Multi-Master Operational and Consistency Issues in Brief

January 30, 2026 Agus Syafaat
In ommon PostgreSQL setups, one server acts as the master, handling all write operations. Other servers act as read replicas, replicating data from the master. Instead, multi-master replication, or Bi-Directional Replication (BDR), allows multiple Postgres servers to act as primaries, each capable of accepting and processing write requests. Changes made...

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