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PostgreSQL Performance Notes From the Field
Jan 5, 20269 min read
Indexes, query plans, and connection pooling lessons from high-traffic SaaS workloads.
⚙️ Performance is a Continuous Process Database performance is never 'done'. Real traffic reveals real problems—not test data.
📌 Indexing Strategy Matters Indexes are powerful but must match real query patterns. Wrong indexes can hurt performance.
🔍 Query Plan Analysis Regularly analyze query plans to identify bottlenecks. Automate this for critical endpoints.
🔗 Connection Pooling Poor connection management can crash systems faster than slow queries. Always monitor pool usage.
📊 Measure Everything Without metrics, performance tuning becomes guesswork.
🏁 Final Thought Good database performance comes from observation, not assumptions.