PostgreSQL Synchronization System

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Bidirectional (master-master) synchronization for two PostgreSQL databases with identical schemas. Ideal for databases on separate servers.

Overview

Engineered a robust master-master replication solution for PostgreSQL databases, enabling seamless data synchronization between geographically distributed servers while maintaining strict data consistency.

Key Achievements

  • Designed and implemented a conflict resolution protocol for simultaneous writes
  • Achieved 99.9% synchronization accuracy during stress testing
  • Reduced synchronization latency by 40% through query optimization
  • Implemented automatic failover mechanisms for network interruptions

Technical Implementation

  • Python 3.11
  • PostgreSQL 9.1