Database Performance Archives

PostgreSQL Performance Analysis with pg_stat_statements: Find and Fix Slow Queries

May 25, 2026

pg_stat_statements is a built-in PostgreSQL extension that tracks aggregated execution statistics for every query — total time, call count, cache hit rate, and more. This guide walks through enabling it, querying the data to find your worst bottlenecks, and turning those stats into concrete index and query optimizations for production.

Database

Stop Over-Engineering: High-Performance PostgreSQL Search without Elasticsearch

April 20, 2026

Is Elasticsearch overkill for your app? Learn how we achieved sub-100ms search on 1.2M rows using PostgreSQL's native GIN indexes and tsvector.

Database

How to Read Execution Plans: Solving the ‘Slow Query’ Mystery in Postgres and MySQL

April 3, 2026

Is your SQL crawling? Stop guessing and start reading Execution Plans. This guide shows you how to use EXPLAIN in PostgreSQL and MySQL to pinpoint bottlenecks like sequential scans and manual file sorts.

Database

Database Connection Pooling: Six Months In, Here’s What I Learned

March 21, 2026

Six months into production with database connection pooling, I'm sharing my practical journey. This guide unpacks how it works, its substantial performance gains, and critical configuration insights designed to help your applications scale with confidence.

Database

Mastering SQL Query Optimization: A Hands-On Guide to Enhancing Database Performance

March 11, 2026

Is your application crawling? Learn to debug and fix slow SQL queries in MySQL and PostgreSQL. This hands-on guide covers EXPLAIN, strategic indexing, and smart query rewriting, ultimately enhancing your database's performance. Keep your applications fast and users satisfied.