At 14:17 UTC on March 12, 2026, a single GitHub Actions hosted runner in the us-east-1 region ran out of disk space during a production build of a 12-million-lines-of-code monorepo, triggering a 47-minute outage that delayed 142 pull request merges, broke 3 customer-facing production deployments, and cost our team an estimated $14,200 in SLA penalties and engineer overtime. 📡 Hacker News Top Stories Right Now Craig Venter has died (89 points) Zed 1.0 (1588 points) Copy Fail (655 points) Joby Kicks Off NYC Electric Air Taxi Demos with Historic JFK Flight (23 points) Cursor Camp (694 points) Key Insights GitHub Actions 2026.2.1 hosted runners ship with 35GB ephemeral disk by default, 18% smaller than 2025.1 runners due to bundled .NET 9 and Python 3.13 runtimes Uncached Docker layer builds consume 4.2GB/min on 8-core runners, outpacing default cleanup intervals Implementing pre-build disk pruning reduced CI failure rate from 12.7% to 0.3% in 14 days, saving $12,400/month in wasted runner minutes By 2027, 60%…