By Michael McGarrah ·
7 min read
Every Jekyll upgrade broke something downstream. Ruby 3.0 dropped webrick. Jekyll 4.3 broke SASS imports. Dart Sass 3.0 deprecated color functions. Node.js 24 forced all GitHub Actions to update. Here's the full upgrade timeline and what each one taught me.
By Michael McGarrah ·
15 min read
After 130+ posts and two years of Jekyll customization, here's the complete feature set behind this blog — from Mermaid diagrams and KaTeX math to GDPR compliance, Pandoc exports, and the SEO pipeline. A look behind the curtain at what it takes to run a technical blog on GitHub Pages.
By Michael McGarrah ·
10 min read
I've been writing about technology since 2004. This blog has lived on WordPress, Blogger, and now Jekyll on GitHub Pages. Here's how I set it up, what I added along the way, and what I'd do differently if I started over.
By Michael McGarrah ·
35 min read
Nine of my fifteen Ceph OSDs use WAL-only acceleration while six use DB. I set out to measure the performance gap and discovered the real story isn't WAL vs DB — it's the USB 3.0 hardware ceiling that dominates everything. The matched-hardware comparison shows DB is 5-15% faster on reads, not the 32% that naive cross-node testing suggested.
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