Master JSONB indexing strategies, query optimization, and scaling considerations for high-performance PostgreSQL applications
Master PostgreSQL performance optimization patterns through practical techniques for identifying bottlenecks, fixing slow queries, and implementing database-level optimizations.
Learn to read and understand PostgreSQL EXPLAIN ANALYZE output like an expert. This comprehensive guide covers all scan strategies, join methods, and optimization techniques.
Learn how to implement intelligent rate limiting for external APIs with different limits per endpoint, ensuring your Rails app respects third-party API constraints
Understanding how Rails manages database connections through connection pooling, common issues, and optimization strategies
Ruby 3.4 starts the transition to frozen string literals by default. Here's what changes, why you should care, and how to prepare your Rails app.
Ruby 3.4 introduces Happy Eyeballs v2, dramatically reducing connection delays for external API calls in Rails applications
Most Rails APIs ignore HTTP caching entirely, missing out on massive performance gains. Learn practical caching strategies that can reduce server load by 90%.
Stop wasting time optimizing code that doesn't matter. Learn how to use the Pareto Principle and profiling tools to find the 20% of your Rails code causing 80% of performance...
PostgreSQL 17 introduces RETURNING support to the MERGE statement, solving a long-standing limitation that forced developers to choose between atomic upserts and knowing what actually happened to their data.
Rails 7.2 introduced `with_connection` for better database connection management. Learn why you should use it instead of the traditional `connection` method.
