the coming incompatibility nightmare of USB-C cabling
Elasticache now supports sharding
The square root staffing law is a rule of thumb derived from queueing theory, useful for getting an estimate of the capacity you might need to serve an increased amount of traffic.
See also https://www.percona.com/blog/2016/02/05/measuring-docker-cpu-network-overhead/ for the CPU/Network equivalent. The good news is that nowadays it’s virtually 0 when the correct settings are used
Luis Villa: ‘Is the React license elegant? No. Should you be worried about using it? Probably not. If anything, Facebook’s attempt to give users an explicit patent license should probably be seen as a good faith gesture that builds some confidence in their ecosystem. But yeah, don’t use it if your company intends to invest heavily in React and also sue Facebook over unrelated patents. That… would be dumb. :)’
Writeup of their Consul-based service discovery system, a bit similar to smartstack. Good description of the production problems that they saw with Consul too, and also they figured out that strong consistency isn’t actually what you want in a service discovery system ;) HN comments are good too: https://news.ycombinator.com/item?id=12840803