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Database Optimization

I write about making MySQL and PostgreSQL faster and more reliable: composite indexes, indexing strategy, and fixing lock wait timeouts in Laravel. For backend developers tracing slow queries and database bottlenecks in production apps.

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Connection Pool Exhaustion: The Real Fix
Database Optimization Performance Optimization

Connection Pool Exhaustion: The Real Fix

Database connection pool exhaustion causes hanging requests and timeouts under load. Here is what actually causes it and how to fix your pool setup for good.

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MySQL Lock Wait Timeout Exceeded in Laravel
Database Optimization

MySQL Lock Wait Timeout Exceeded in Laravel

Still retrying jobs after a MySQL lock wait timeout exceeded error? Here's how to find the real blocking query in Laravel and fix it for good.

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MySQL Composite Index Optimization Guide
Database Optimization

MySQL Composite Index Optimization Guide

Learn MySQL composite index optimization: leftmost-prefix rules, correct column ordering, covering indexes, and verifying gains with EXPLAIN plans.

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