So, how do you actually get that sweet spot between reading and writing super fast in a system that's handling tons of

Hey everyone, I'm working on a system that gets hammered with writes but also needs super fast reads. It's proving tricky to get both sides of the equation right at the same time. We're on a sharded PostgreSQL setup right now. Has anyone else run into this? What approaches or system designs have worked well for you when you absolutely need to nail both read and write speeds?