An implementation log of migrating a group of services running on Docker + Traefik, with no downtime, to a CloudFront + WAF-protected setup. I cover naming for the origin-only subdomain, pitfalls with shared Security Groups, the case for starting WAF in COUNT mode, cache design for SPARQL/API traffic, and other recurring decision points.
Benchmarking Elasticsearch, Cloudflare D1, and Static JSON for full-text search across ~1,800 Japanese text records.
Investigation and fixes for a 6.7% crash rate in KotenOCR, an iOS OCR app using ONNX Runtime with 6 models totaling ~230MB on disk.
Using withThrowingTaskGroup to parallelize OCR recognition in an iOS app, achieving 1.4x to 6.7x speedup depending on the number of detected text regions.
How cache configuration and parameter tuning of the Cantaloupe IIIF server achieved up to 7.6x faster tile delivery, with methods and results.
DOM-based custom markers (maplibregl.Marker) in MapLibre GL JS lag behind the map during zoom and pan. This article explains the cause and a solution using GeoJSON source with Circle/Symbol layers.
Switching from npx xslt3 (Saxon-JS) to Java Saxon-HE reduced XSLT build time from 1m48s to 23s for a TEI XML digital humanities project.