Zero-Downtime MySQL 9 Physical Replication and Failover Architecture
Architect high-availability MySQL 9 environments with zero-downtime physical replication. Master GTID failover, ProxySQL routing, and kernel tuning.
Databases & Performance
PostgreSQL 17 High-Concurrency Tuning: Huge Pages, PgBouncer & Buffer Pool Optimization
Scale PostgreSQL 17 to tens of thousands of concurrent connections. Optimize Linux Huge Pages, PgBouncer pooling, and shared buffers for low latency.