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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 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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If your database is choking, don't throw more compute at broken queries. Diagnose the root schema bottlenecks.
Explore our 2-week High-Availability Database Cluster Deployment & Hardening Sprint on Contra: https://contra.com/s/QbN6svWo-high-availability-database-cluster-deployment-and-hardening
#Database #PostgreSQL #MariaDB #SRE #Performance #DevOps #Backend
