Database Optimization Archives

Mastering the MySQL Slow Query Log: Stop Guessing and Start Fixing Production Bottlenecks

August 21, 2026

Is your MySQL database dragging? Learn how to use the Slow Query Log to identify hidden performance bottlenecks, configure logging for production, and use tools like pt-query-digest to speed up your app.

Database

PostgreSQL Indexing: When B-Tree Isn’t Enough

August 2, 2026

PostgreSQL indexing goes far beyond B-Tree. Discover how GIN, GiST, and BRIN can slash query times and save gigabytes of disk space on large-scale databases.

Programming

Fixing GraphQL’s N+1 Problem: Using DataLoader for High-Performance APIs

August 2, 2026

Eradicate GraphQL N+1 performance issues. This guide shows you how to use DataLoader to batch database requests and implement request-level caching.

Database

PostgreSQL Indexing: Stop Indexing Everything and Start Being Precise

July 28, 2026

Stop wasting disk space with bloated indexes. Learn how Partial and Functional indexes in PostgreSQL can reduce index size by 90% and make your queries nearly instantaneous.

Database

MySQL Generated Columns: Speed Up JSON Queries and Clean Up Your Schema

July 27, 2026

Learn how to use MySQL Virtual and Stored Generated Columns to fix slow JSON queries and automate database logic with real-world performance metrics.

Database

Sub-Second Analytics at Scale: A Hands-on Guide to Apache Druid

July 19, 2026

Build a high-performance real-time analytics system with Apache Druid. This guide covers everything from local setup and Kafka streaming to advanced OLAP tuning for sub-second queries.

Database

MySQL Performance Schema: Diagnose Slow Queries with Internal Statistics Tables

July 13, 2026

MySQL Performance Schema exposes 80+ internal statistics tables that reveal slow queries, lock waits, and I/O bottlenecks — no external tools required. This guide covers the key tables, practical SQL queries, and a Python script to build a baseline monitoring system from six months of production experience.

Database

PostgreSQL Data Tiering: Moving Cold Data to S3 to Slash Costs

June 15, 2026

Is historical data clogging your PostgreSQL instance? Discover how to use Data Tiering with S3 and Foreign Data Wrappers to reduce costs and maintain high performance.

Database

MySQL on Fire: Rescuing Production with Percona Toolkit

May 17, 2026

Database meltdowns don't have to be disasters. Learn how to use Percona Toolkit to identify slow queries, change schemas without downtime, and fix replication drift in high-load MySQL environments.

Linux

Linux I/O Scheduling: Solving Disk Bottlenecks in Databases and File Servers

May 14, 2026

Is your server lagging during backups? Learn how to master Linux I/O scheduling and use ionice to prioritize database traffic over background tasks.