Comment by dang

Just don't use genetically identical hardware:

https://news.ycombinator.com/item?id=32031639

https://news.ycombinator.com/item?id=32032235

Edit: wow, I can't believe we hadn't put https://news.ycombinator.com/item?id=32031243 in https://news.ycombinator.com/highlights. Fixed now.