A deep-dive case study on optimizing a Rails app, tackling everything from slow data imports (using bulk inserts) to sluggish page loads (fixing N+1 queries and adding database indexes). We cut import times by 40% and page loads by over 90%.
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.
A case study on how we reduced the memory footprint of a data-processing Ruby script from over 200MB to under 70MB by ditching CSV.read and adopting a streaming, batch-processing approach.