The Objective: Design and deploy a fault-tolerant database architecture to eliminate single points of failure, ensure zero-downtime failover, and optimize performance for mission-critical applications.
The Execution: Architected a secure 3-node PostgreSQL cluster on Linux. Configured Pgpool-II for intelligent connection pooling and read/write query routing, drastically reducing primary server load. Implemented automated health checks and failover mechanisms to ensure instant, zero-intervention replica promotion if the primary node goes down.
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The Objective: Design and deploy a fault-tolerant database architecture to eliminate single points of failure, ensure zero-downtime failover, and optimize pe...
