Speed Up Your Rails App: ActiveRecord Query Optimization Guide скачать в хорошем качестве

Speed Up Your Rails App: ActiveRecord Query Optimization Guide

Is your Ruby on Rails app growing—but slowing down? Performance bottlenecks often stem from unoptimized database queries. In this video, we walk through real-world query optimization strategies using ActiveRecord, indexing, eager loading, serializers, Arel, and raw SQL. You’ll learn: ✅ Why query performance drops as your data grows ✅ How to spot and fix the N+1 query problem ✅ When and how to use eager loading with .includes ✅ How to boost speed with indexes and query plans ✅ Ways to trim payloads using serializers ✅ Advanced querying with Arel and raw SQL (like UNION) ✅ Tools to monitor and maintain performance—Bullet gem, pg_stat_statements, New Relic, and more 📊 Whether you’re building an MVP or scaling a production app, these techniques will help keep your Rails app snappy and scalable. 👋 If this helped, hit Like, Subscribe, and don’t forget to enable notifications for more Rails performance tips and deep dives.