Yea, this stuff is complicated. It only starts making sense to get someone like Brendan on your pay roll as your company scales and your aws bill gets larger an

Yea, this stuff is complicated. It only starts making sense to get someone like Brendan on your pay roll as your company scales and your aws bill gets larger and larger. To most small companies, that additional 30% cpu utilization is negligible and not worth the time to investigate but for someone like Netflix, having a baller like him on your team can save you millions of dollars in compute costs. But there is still hope for us mere mortals to understand how systems work better and make them faster. His systems performance book is absolutely ridiculous. It is pretty dense and I've been through chapters several times without fully grasping everything, but it is extremely pragmatic with how it dives into various topics and it is by far the best computer science book I've read.