Architecting High-Throughput Databases: Galera’s Synchronous Certification vs. PostgreSQL’s Decoupled MVCC and the Vacuum Trap

When engineering infrastructure for massive scale, the underlying database topology becomes the ultimate chokepoint. Traditional deployment paradigms often mask a harsh reality of connection bloat, network-bound deadlocks, and strict physical throughput limits. To design data planes that do not violently collapse under heavy concurrent workloads, architects must make a definitive choice between…