I know of this one in Go, where the author goes through his loop of trial-and-profile with measurements and flamegraphs along the way. https://www.bytesizego.c

I know of this one in Go, where the author goes through his loop of trial-and-profile with measurements and flamegraphs along the way. https://www.bytesizego.com/blog/one-billion-row-challenge-go https://www.bytesizego.com/blog/one-billion-row-challenge-go