And here I thought the solution was a faster JSON parser like simdjson x)
Discussion
That is fascinating. https://github.com/simdjson/simdjson
If you're trying to get sub 100ms responses I guess you go out of your way to complicate things, but users are willing to wait a couple seconds for your shit to load as long as you give them a nice loading skeleton. You can get away with a lot if you do that.