@nuintari Indeed. I've heard enough stories that I'm glad I got in at [redacted], an incredibly boring corporate job where I don't have much in the way of sysadmin responsibilities, but our admins are generally Quite Competent, aside from sticking their heads in the dirt with regards to IPv6...
I seem to remember StackExchange posting something about how they eventually figured out as part of their performance tuning that it was faster to just give the database boxes a TB of RAM to fit the indexes in memory than it was to have a separate cache server, as it took the same amount of time to simply query the cache as it did to render the page 'from nothing' with an in-memory index...