As of 2021 years ago HN ran on a single server in production, plus a hot-spare server https://news.ycombinator.com/item?id=16076041 https://news.ycombinator.com

As of 2021 years ago HN ran on a single server in production, plus a hot-spare server https://news.ycombinator.com/item?id=16076041 https://news.ycombinator.com/item?id=16076041 (reconfirmed 2021 at https://news.ycombinator.com/item?id=26469566 https://news.ycombinator.com/item?id=26469566)