📄️ 18. Performance Optimization
Diagnose and tune PostgreSQL performance using plans, indexing, and maintenance routines.
📄️ Query Profiling and EXPLAIN
Use EXPLAIN (ANALYZE, BUFFERS) and PostgreSQL observability tools to find and fix slow queries based on evidence.
📄️ Server Configuration Tuning
Tune PostgreSQL server settings (memory, connections, autovacuum) and validate impact with real workloads.