Database Optimization Archives

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.

Database

How to Configure PgBouncer for High-Performance PostgreSQL Production Environments

May 2, 2026

Learn how to solve PostgreSQL connection bottlenecks in production using PgBouncer. This guide covers the process-per-connection model, setting up transaction pooling, and production best practices for high-traffic apps.

Database

Taming PostgreSQL Table Bloat: A Practical Guide to VACUUM and ANALYZE

April 28, 2026

PostgreSQL doesn't delete data in place, leading to 'Table Bloat.' Learn how to use VACUUM, tune Autovacuum settings, and identify long-running transactions to keep your production database healthy.

Database

PostgreSQL JSONB: Schema Flexibility Without the NoSQL Headache

April 27, 2026

PostgreSQL JSONB offers the best of both worlds: relational integrity and NoSQL flexibility. Learn how to implement it, index it for speed, and avoid common production pitfalls.

Database

Beyond Basic Queries: Mastering SQL Window Functions for Real-World Analytics

April 20, 2026

Upgrade your SQL skills beyond basic joins. Discover how Window Functions like RANK, LAG, and rolling averages can transform your data analysis and make your reports run 10x faster.

Database

Scaling PostgreSQL for Time-Series: A Hands-on TimescaleDB Guide

April 18, 2026

Tired of slow PostgreSQL queries? Learn how TimescaleDB uses hypertables and columnar compression to handle millions of rows per day without breaking a sweat.