https://blog.iaroslavtsev.uk/tags/case-study/Recent content in Case-Study on The Pragmatic EngeneerHugo -- 0.152.2en-us2025 Aleksei IaroslavtsevWed, 27 Aug 2025 21:43:26 +0200https://blog.iaroslavtsev.uk/posts/from-hours-to-seconds-a-systematic-guide-to-ruby-performance-optimization/Wed, 27 Aug 2025 00:00:00 +0000https://blog.iaroslavtsev.uk/posts/from-hours-to-seconds-a-systematic-guide-to-ruby-performance-optimization/A step-by-step walkthrough of how we optimized a Ruby script that was too slow to run, reducing its runtime to under 30 seconds using a methodical, profile-driven approach.